See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/229767764 “Technological Interweavement: A Means of Achieving Innovation Success ARTICLE in R&AMP D MANAGEMENT · MAY 2007 Impact Factor: 2.51 · DOI: 10.1111/j.1467-9310.1992.tb01206.x CITATIONS READS 157 221 3 AUTHORS, INCLUDING: Hans Georg Gemuenden BI Norwegian Business School 139 PUBLICATIONS 3,935 CITATIONS SEE PROFILE Peter Heydebreck inno AG, Karlsruhe, Germany 26 PUBLICATIONS 477 CITATIONS SEE PROFILE All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately. Available from: Hans Georg Gemuenden Retrieved on: 15 January 2016 Technological interweavement: a means of achieving innovation success H. G. Gemunden, P. Heydebreck and R. Herden Institute for Applied Management Science and Corporate Strategy, University of Karlsruhe, Germany Abstract In this paper, results are presented of an empirical study of the Lake Constance region covering a sample of 848 manufacturing companies. Based upon multivariate analyses, the paper documents that the mobilization of external resources and know-how is a critical factor for a firm’s technological innovation success which in turn is the main determinant of commercial innovation success. The findings show that there are three kinds of technology-oriented external relationships, which prove t o be of special importance: close contacts with customers, linkages t o universities and research institutes and R&D-cooperations with other companies. THE FlRM AND ITS PARTNERS INNOVATlON PROCESS IN THE ‘No business is an island.’ (HBkansson and Snehota 1989). Companies cannot acquire all resources which are needed in the process of production of goods and services exclusively through hierarchical relations, but are dependent on external resources. Apart from market and hierarchy there is a third mode of obtaining resources: the relationship. Relationships are seen as ‘longterm interorganisational interaction processes and bonds with economic targets, directed to a sequence of exchanges’ (Gemunden (1990), p. 34). They are of a multiplex3 nature. In this article the focus is on the technological dimension. Technology-oriented external relationships are a strategic instrument beyond dayto-day business to exploit external resources and know-how; they can enable the company to meet the challenge of increased R&D Management 22, 4, 1992 innovation-pressure and raising expenditures for R&D accompanied by shortening product-life-cycles and time based competition. Especially in regard to innovation, relationships have potentials shown neither by market nor by h i e r a r ~ h y : ~ 0 Synergy effects of value: The combination of internal and external resources can result in a multicompetence-effect, which facilitates the development of products of superior quality. Furthermore, relationships constitute an instrument to reduce redundancies (e.g. parallel research activities) and accelerate innovation processes. ‘Many authors (e.g. Dirrheimer and Hubner (1983), Kumpe and Bolwijn (1988)) find decreasing rates of vertical integration. Miles and Snow (1986) foresee even more disintegration. Based on the transactioncost paradigm, Picot (1991) discusses how to determine the optimal degree of vertical integration. ’The idea of relationships as a third mode of obtaining resources constitutes the key element of the interaction approaches. These approaches emerged in the sixties (cf. e.g. Johanson (1966)). An extensive overview of existing literature is given by Schrader (1991). The interaction approaches form the basis for the more complex network approaches which d o not focus on a dyadic relationship but on the interdependencies between different relationships (cf. e.g. Axelsson and Easton (1992); Hikansson (1987); Hagg and Johanson (1982); Johanson and Mattsson (1985)). Based upon Coase (1937, 1972) Williamson has developed an analytical framework to study transaction cost economics (cf. e.g. Williamson (1985)). ’The term ‘multiplex’ has been introduced by Boissevain (1974), p. 30. It describes the multidimensionality of relationships (e.g. social, financial or legal dimension, cf. Hammarkvist and Hikansson and Mattsson (1982) or Paliwoda and Thomson (1986)). 4 C f . Gemunden (1990), p. 27ff. 359 360 f H . G. GEMUNDEN, P. HEYDEBRECK AND R. HERDEN Administration 3 Suppliers, producers of mean of production 0 Subsidy 0 Political support Mediatims, transfer 0 New technologies of f Research and trainin institutes Research 0 Training 0 components and systems Complementary Innovative concepts Structuring of processes 0 Financial, legal and insurance services 0 Joint basic research 0 Establishing standards 0 Getting subsidies 0 Figure I Defining new requirements 0 Changing and weighting The company in the innovation network Depending on the companies’ objectives, different partners will be favoured for interaction. Figure 1 illustrates which types of resources and services supporting innovations are offered by different actors. Several empirical studies (cf. e.g. Becher et al. (1989), Hikansson (1989), Hagedoorn (1990), Rotering (1990), Urban and Vendemini (1986 and 1988)) show that companies acquire external resources for their innovation processes in many different ways from a variety of actors. For instance they may buy licenses or assign contract research to engineer’s offices, universities or research institutes or they may receive information through informal discussions with their vertical and horizontal market partners and have R&D cooperations. Schrader (1990) shows the high importance of interorganizational information exchange. Though it is often stated that the exploitation of synergy potentials through cooperation becomes increasingly important (cf. e.g. Benedetti (1987), pp. 68 and 70, Zimmermann (1986)), there is a need for empirical research testing the influence of a ’Though readiness for trust is generally higher in relationships than in pure market interactions, trust cannot be considered to be self-evident, Cf. e.g. Hallen et al. (1989), Sabel (1990), Sandstrom (1990). ‘In this paper the ‘Fachhochschulen’ (similar to colleges) are referred to as universities. 0 0 Synergy effects of cost: The partners tend to develop mutual trust5 in longterm relationships resulting in decreasing transaction-costs, as the expenditures for the search of new interaction partners, contracting and controlling can be cut down. Joint use of resources can result in a decrease of fixed costs, and effects of learning curves too. Network potentials: Partners can be mediators or serve as references. Sales opportunities will improve, if an opinion leader becomes a buyer. Also additional relations and resources can be explored with the partners’ help. R b D Management 22, 4, 1992 Technological interweavement 36 1 company’s technological interweavement on its innovation success. 7 RELATIONSHIPS: AN INSTRUMENT TO ENLARGE THE INTERNAL KNOW-HOW POTENTIAL Theoretical framework The main purpose of this paper is to analyse how a firm’s innovation success is determined by its technological interweavement . But apart from the usage of external technological resources, there are a lot of other factors which could have an impact on innovation success. Thus context variables (e.g. firm strategy, R&D-intensity, industry, location, size) could directly influence inno- vation success or at least show an indirect effect by influencing technological interweavement . Innovation success is analysed both on a technological and on a commercial level. It is assumed that technological innovation success (though not being a precondition’) has a strong positive effect on commercial innovation success. Figure 2 illustrates the theoretical framework of the study. Herden and Heydebreck (1991) give a description of the relevance of different types of technological interweavement and test the influence of context variables on technological interweavement. This paper deals exclusively with the Commercial Innovation Success * 4 Technological Resources Figure 2 Theoretical framework ’The influence of non-technological cooperations on corporate growth has been investigated in several studies (cf. e.g. Diller and Gaitanides (1989)) but the impact of technological interweavement on success has been largely neglected in empirical research. The study of Hagedoorn and Schakenraad (1992) analysing the effects of strategic partnerships on success is one of the few exceptions. R&D Management 22, 4, 1992 I- ‘Even new products that d o not contain a better technology than their predecessors might turn out to result in a commercial innovation success (e.g. fashion). Vice versa the commercial innovation success might influence the technological innovation success by generating an innovative atmosphere and last but not least the necessary financial resources but this possibility is not analysed in this paper. 362 H. G. GEMUNDEN, P. HEYDEBRECK AND R. HERDEN explanation of innovation success. Only the direct effects of context variables on innovation success have been taken into account, for a presentation of the indirect effects of context variables via technological interweavement on innovation success, cf. Herden (1991). Hypotheses of the study Product innovations can be flops mainly because of two reasons. Either the technical aims are not achieved or, what happens far more often, the results of the development process are satisfying in technical terms but market receptivity is low because the product doesn’t meet the targeted customers’ needs or because it is perceived as a me-too product. Contacts with customers, especially with lead user”, can help to reduce both types of risk. Lead users represent an important source of technological know-how. They can do R&D on their own and let their suppliers participate in the knowledge, test prototypes (cf. e.g. Biemans (1989, 1990)) or initiate innovation processes of their suppliers by defining new requirements or by suggesting improvements of products already existing (cf. Foxall (1984, 1986), Foxall and Tierney (1984), Gemiinden (1990), pp 4ff, Herden (1990), pp 75ff, Herstatt (1991), von Hippel (1978a, 1978b, 1988), Parkinson (1982, 1985), Rothwell et al. (1974), Urban and von Hippel (1988)). Cultivating the customers’ resources leads to a decrease of the risk of technical failure. The commercial risk is reduced as the supplier gains knowledge about his customers’ needs during his interaction with them, he learns to estimate the market potential of product ideas. We therefore infer the following assumption. Hypothesis 1: Companies which regard and use their customers as important sources of innovation have higher technological and commercial innovation success than other companies . “Lead users face needs that will be general in a marketplace, but d o so months or years before the greater part of that marketplace encounters them (Hippel (1986)). In fact they not only recognise future trends, but take part in forming them. Cooperations between companies and research institutes or universities usually concentrate on the development of new products or processes, the implementation of new technologies or the use of new materials. More seldom the purpose of these cooperations is improvement of products or processes already existing. l 1 According to the companies, cooperation with research institutes and universities will still gain in importance for the companies due to the growing complexity of innovation processes and the resulting need of complementary external know-how. l 2 Research institutes and universities try to expand the extent of their cooperations with industry, too. l 3 The reasons for this trend are the following: Research institutes and universities feel the necessity to acquire resources from industry because of the growing budgetshortages. Secondly, financial incentives for professors and researchers foster closer contacts between research institutes, universities, and industry. In BadenWurttemberg the Steinbeis-Stiftung supports and mediates many R&Dcooperations between professors (especially from Fachhochschulen) and firms. l 4 Cooperations with research institutes and (technical) universities are usually developed and maintained in order to solve technical problems, and to secure the access to the bottleneck-resource for many innovation processes: highly qualified personnel. We therefore assume that technological innovation success is strongly and directly influenced by cooperation activities with research institutions whereas we d o not assume a direct positive influence on commercial “These are findings of an additional survey of 492 firms to be published later. I’ Amendments of the ‘Hochschulrahmengesetz’ have opened new forms of cooperations with universities in Germany. l 3 Cf. Allesch and Preifl-Allesch and Spengler (1988). l4 The Steinbeis-Stiftung is starting activities in former East Germany, especially in Saxony. R&D Management 22, 4, 1992 Technological interweavement innovation success. This leads us to the following hypothesis: Hypothesis 2: Companies which cooperate with research institutes and universities have higher technological innovation success than those which don't cooperate. In addition to customers, universities and research institutes, other innovation partners such as suppliers, co-suppliers or competitors may constitute important sources of innovative know-how. In this paper these actors will only be considered, if the focal company has some measure of (formal or informal 15) R&D-cooperations with them. l6 For companies with compatible goals and complementary resources R&Dcooperations appear to be an appropriate means to cultivate synergy potentials in innovation processes because of the following reasons: Innovation processes often require interdisciplinary know-how, which seldom exists inside one single company. The integration of new technologies, e.g. microelectronics, modern information and communication technologies or laser and sensor technology, demands the creation of knowledge and competence, which often lie in a totally different field compared to their previous R&Dactivities. The development of internal competence on totally new fields of technology is very often protracted and combined with high costs. Therefore companies tend to acquire such competence from external partners, whenever they don't consider the 363 new knowledge to be keytechnologies. 0 Innovations require investment, which is often combined with considerable uncertainty. In case the investors are risk-averse, safe investments with low net present value will be preferred to investments in innovations even though the latter might have a considerably higher net present value. Cooperation is not only a means of reducing the absolute risk of failure by exploiting synergy potentials and thus realising a multi-competence-effect, but also splits the risk on the partners, too. Through this division of risk and costs the partners gain the opportunity to diversify their innovation activities, in effect they can put their eggs in more than one basket. In addition, it is assumed that R&Dcooperation has a direct effect on commercial innovation success. Cooperation enlarges the possible fields of application, thus increasing the possibilities to exploit the new product or process (economies of scope). R&D-cooperation with specific partners can foster commercial innovation success in different ways: '* 0 0 R&D-cooperation with co-suppliers can be used as a starting point for coordinated marketing activities, based on the joint goal of selling the complex system. R&D-cooperation with competitors or the sale of licences are a way to establish new norms and standards and thereby facilitate market penetration. l 9 We derive Hypothesis 3: Companies which have established arrangements for R&D-cooperation I5HBkansson (1989) studies more than 100 small and medium sized Swedish companies, finding that 80% of the cooperations were informal. Large companies tend to formalize their cooperations to a much higher degree. I6For an analysis of other innovation partners see e.g. Herden and Heydebreck (1991), Herden (1991) or Rotering (1990). "The study of Pavitt et al. (1989) documents that firms often d o research on different fields compared to their production and selling activities. See also Archibugi (1988). R&D Management 22, 4, 1992 "Cf. Hausler (1990), who studies inter-industry relationships between companies of the machinery and the electronics industry. l 9 That these forms of technology-oriented external relationships are a very powerful means t o achieve market success can be seen on the video market. By selling licences at low prices to competitors JVC managed to drive out other competitors offering products of superior quality. 364 H. G. GEMUNDEN, P. HEYDEBRECK AND R. HERDEN with other Companies have higher technological and commercial innovation success than companies which do not cooperate. Though this paper concentrates on the connection between technological interweavement and innovation success and corporate growth the following hypotheses on the influence of internal and external context variables on innovation success are also tested in order to get an impression of the relative importance of technological interweavement compared to context variables. Hypothesis 4: R&D-intensive companies show higher technological and commercial innovation success than other companies. Though the cultivation of external technological resources is assumed to be vital for a firm’s innovation success, internal R&Dactivities seem indispensable: (1) The company does not only have to be able to understand external input but also to develop it further and adjust it to its own needs. (2) In order to be attractive a company must have its own (preferably unique) technological competence, which it can offer its potential partners. Thus companies with a strong internal competence get easier access to external know-how. Internal R&D-activities can be regarded as a necessary but not as a sufficient precondition for successful product innovations. Hypothesis 5: Large companies show both higher technological and commercial innovation success than small companies. Large companies have advantages in exploiting external resources because they are more powerful than small companies. For instance they may tie their suppliers to them without being dependent on them and force their partners to hand over their knowhow to them or even to put it at the disposal of other suppliers, which often means providing competitors with know-how. ‘If that doesn’t work, we have got the means to put pressure on them.’20 Hypothesis 6: Innovation success is industry-spec$c. Companies from different industries are influenced by very different surroundings. For instance public schemes to promote innovation are often orientated on single industries or on fields of technology relevant only for some industries. In addition the necessity of innovation varies from industry to industry. One reason for the differences again is to be seen in governmental interventions (e.g. in the form of new laws in the field of conservation) another by the varying intensity of competition. TEST DESIGN AND DATABASE The steps of the analysis A large database is a precondition for a multivariate quantitative test of the hypotheses given above. Therefore a total survey of all 4564 companies in the manufacturing industry of the Lake Constance region*l has been carried out, though neglecting companies with less than five employees. 22 Eighteen per cent of the questionnaires were returned. There are no substantial systematic biases regarding the context variables ‘location’ and ‘industry’, but there is a bias in regard to firm size. Large companies show a higher willingness to reply than small companies. If we assume that the 86% of ”This quotation from the Head of a Development Division of a large manufacturing company makes clear that even close relationships can be characterised by exploitation rather than harmony. On the German side, the population contains the rural district of Constance, the chamber of commerce divisions Bodensee-Oberschwaben and Lindau as well as the Bavarian Allgau. The population furthermore covers the principality of Liechtenstein, the Swiss cantons Appenzell-Ausserrhoden, Appenzell-Innerrhoden, Graubiinden, St. Gallen and Thurgau and Vorarlberg in Austria. ”Companies with fewer than five employees have been omitted mainly due to pragmatic reasons. There is a lack of information on context variables concerning these very small companies, so that no tests on representativity of the returned questionnaires could have been made, which would have been problematic because of the very low rate of return such companies generally show. Furthermore, most of these companies don’t show great interest in innovation. ‘’ R&D Management 22, 4, 1992 Technological interweavement the returned questionnaires which contain information about the number of employees are representative for all returned questionnaires, the rates of return per group are as follows: up to 19 employees: 20-99 employees: 100-499 employees: 500 and more employees: 9% rate of return 25% rate of return 38% rate of return 47% rate of return By using a multivariate method of analysis (logistic regression) it is possible to control the influences of the variable ‘size of firm’, so that the response-bias will not lead to misinterpretations. In addition to the mailed questionnaire, interviews with both replying and nonreplying companies in the studied region have been performed in order to get an insight into the causal mechanisms behind the correlations found in the quantitative analyses. These interviews give the impression that there is no bias in the sample in regard to technological interweavement and innovation success. Besides, interviews with suppliers of innovation-oriented services have been carried out (e.g. with chambers of commerce, universities, and research institutes). Operationalisation of variables23 Context. Indicators for the size of the frrm are the number of employees and the sales volume in 1989. As these indicators point into the same direction in all analyses made, in the following ‘firm size’ is exclusively operationalized as ‘number of employees’. This indicator has far less missing values than ‘sales volume’ has. Four categories have been formed (up to 19 employees, 20-99 employees, 100-499 employees, 500 and more employees). In order to operationalise industry, four categories have been formed: primary industry, producers of industrial goods, producers of consumer goods and food and beverage industry. The indicators for the intensity of R&D are the share of R&D employees of the 2 3 The operationalization is only given for those variables included in the final model. R&D Management 22, 4, 1992 365 whole staff and the R&D expenses in percent of sales in 1989. As both indicators point in the same direction throughout the analyses, only the latter is presented in this paper. Again the companies are divided into four groups. Group 1: R&D expenses in VO of sales: < 1% Group 2: R&D expenses in Vo of sales: 1-3% Group 3: R&D expenses in 070 of sales: 3-5% Group 4: R&D expenses in 070 of sales: > 5% Technological interweavernent. Three types of technological interweavement have been investigated more detail. The intensity of cooperation between jirms and research institutes and universities has been measured by counting how many of the following types of contacts existed between the company and at least one research institute or university: demand for consultancy services on marketing of new products, demand for consultancy services on technological problems, 0 participation in post-qualification seminars, workshops etc. taking out of licences, using laboratories jointly, joint R&D-proj ects, award of contracts on R&D, acquisition of R&D-personnel, acquisition of personnel (apart from R&D), temporary transfer of personnel to the research institute or university. In the multivariate analyses it is just differentiated between companies maintaining contacts with research institutes or universities and companies without such contacts, whilst in the bivariate contingency analyses, companies with zero, one, two, and three different types of contacts each form a separate category, while companies with four or more contacts are combined in one group. Approximately one third of all companies are already maintaining cooperations with research institutes and universities, an additional 9% are planning to establish such cooperation. 366 H. G. GEMUNDEN, P. HEYDEBRECK AND R. HERDEN Concerning R&D-cooperations with other companies we have simply scaled whether firms cooperate in the field of R&D or not. 21% of the firms have reported such cooperations. 24 A rating scale has been used to measure the importance of customers as a source of know-how for the development or utilisation of technologically improved or new products or p r o c e ~ s e s . ~In~ the logistic regression the variable is dichotomous, one group is formed by the companies regarding their customers at least as ‘helpful’ the other group is formed by the companies which do not regard their customers at least as ‘helpful’ for their innovation processes. Efficiency. Technological innovation success has been operationalised as to what extent companies have taken up technologically improved or new products (e.g. new materials, new output functions) during the last five years. Marginal improvements were explicitly excluded. Three categories were given: ‘no extent’ ‘limited extent’ and ‘considerable extent’. In the logistic regression we only differentiate between companies which have taken up new products to a considerable extent (about one third of the companies) and those which have not. In order to measure commercial innovation success the companies have been asked what share of their sales volume they realised through products introduced into the market during the last five years.26 This percentage has been directly taken as an indicator for commercial innovation success and has not been set in relation to the average of a certain group of companies (e.g. companies of one industry), because this would imply that all groups (e.g. industries) show equal commercial innovation success: the most innovative company in a stable industry would be judged as innovative as the most innovative company in a very fast changing industry. Instead of eliminating the differences between e.g. the 24There is a bias in the sample towards large companies. As larger companies cooperate more often than small companies the percentage of cooperating companies is overestimated. 25 The two extremes of the scale are ‘of no import’ and ‘necessary’. industries’ level of innovativeness we therefore include ‘industry’ as an explaining variable for commercial innovation success in our multivariate analyses. In the logistic regression, commercial innovation success is assumed for companies who make at least 30% of their sales with new products. This applies to about half of the companies. Because of the difficulties in obtaining profitability ratios in written surveys we have ascertained data on the corporate growth. Companies showing at least 20% growth of sales volume in the period 1986 to 1989 (half of the companies do so), and respectively at least 25% growth of number of employees (about 25% of the companies do so) during the same time period are referred to as growing. One has to be careful when interpreting this indicator as it can mean different things under different circumstances. Thus, it makes a difference whether a company with two employees grows 50% or whether a company with 2,000 employees grows 50%; the same holds true for variables like, e.g. industry. We preferred not to include these variables in our indicators but chose to look at them as determinants of corporate growth instead. The investigation shows an unexpectedly high correlation between technological and commercial innovation success (Kendall’s tau-c = 0.425; level of significance CY < 0.005). New products generally have higher growth potentials than older products. *’ *‘For industries with short product-life-cycles the five-year period might be too long. In fact, two generations of the same product may be reported. A shorter period would certainly make it easier for the respondents to answer the question. Despite the mentioned weaknesses of the quite long time period we preferred it to the three-year period because we have not focused on innovative industries but have looked at the whole manufacturing industry. If we used a time period considerably shorter than the typical product-life-cycle a company’s percentage of sales due to new products would be significantly determined by the point of measuring. Furthermore, the five-year period has been used more frequently than the three-year period which opens more possibilities of comparing the results to the findings of other studies. 27 Non-linear interaction effects have not been tested. R&D Management 22, 4, 1992 Technological interweavement 367 share of sales made by new products share of companies with high growtl D <lo% a 10%-30% 30%-50% 250% no limited considerable extent of technological innovation success Figure 3 Innovation wccess and growth of sale? Therefore it seems plausible to assume faster growth for firms which make a large share of their sales with new products than for those firms which make nearly all their sales with old products. However, do firms with a high innovation success really show higher company success in terms of growth of sales volume and number of employees? Are our measures of innovation success valid predictors of company success? Figure 3 illustrates the empirical findings. Neither technological nor commercial innovation success alone is a guarantee for overall success. It takes both technological and commercial innovation success to grow. These findings lead to the conclusion that companies which attain a high percentage of their sales by products that have only been slightly improved, just try to defend their market position, while realising a considerable share of sales by essentially improved or totally new products turns out to be an The influence of technological interweave-interweavement and context variables on innovation success The relevance of customers for innovation success. Seventy-five per cent of the companies in the sample believe that dialogues with their customers had been at least helpful for the development of technically improved or new products or production processes. Nearly 50% stated that the contacts with the customers had been a precondition for innovation success. 29 But do the companies for which the information exchange with their customers is of high 28 The correlation between innovation success and growth of number of employees is not that clear but tends into the same direction. 29 Missing values have been interpreted as ‘of no relevance’, so that the importance of a close contact with customers is probably underestimated. R&D Management 22, 4, 1992 instrument for expansion into new markets and therewith a means to stimulate growth. DETERMINANTS OF INNOVATION SUCCESS 368 H. G. GEMUNDEN, P. HEYDEBRECK AND R. HERDEN 60 50 extent of technological innovation success 40 share of companies [ % ] 0 none 30 limited considerable 2c 10 0 very little medium high stated relevance of information from customers for the innovation Figure 4 60 Technological innovatiin success and relevance of customers ' 50. 40 - extent of technological innovation success share of companies [ % I ' 0 none 30. limited mconsiderable 20' 10' 0No Yes R&D cooperations Figure 5 Technological innovation success and R&D cooperation with other firms R&D Management 22, 4, 1992 369 Technological interweavernent importance show a higher innovation success? The findings support hypothesis 1 . Companies which stated that they get essential information for the development of new products from their clients show an innovation success very significantly above average. 30 Figure 4 shows that the relevance of customers is very strongly correlated with technological success (Kendall’s level of significance tau-c = 0.261, a < 0.005). The correlation with commercial innovation success is weaker (Kendall’s level of significance tau-c = 0.187, a < 0.005). R&D cooperations-a means of increasing innovation success. Figure 5 documents that hypothesis 2 is confirmed. Companies which cooperate in the field of R&D have higher technological success than those companies not cooperating (Kendall’s tau-c = 0.241, level of significance CY < 0.005). The same holds true in regard to commercial innovation success, but the correlation is not that strong (Kendall’s tau-c = 0.183, level of significance CY < 0.005). According to the companies studied R&D cooperation will gain further in importance as a means of increasing a firm’s innovativeness. Though cooperation can be a valuable means to complement a firm’s internal resources it has to be taken into account that problems can also arise. Ten per cent of the cooperating companies mentioned that in at least one of their cooperative arrangements their partners put the cooperation at risk through unfair conduct, an additional 9% saw their cooperation spoiled for this reason. Other problems mentioned were: the partner’s lower technical competence and disagreements on the exploitation of the outcome. The study shows that large companies in contrast to small companies mostly have written contracts with respect to cooperation. An explanation for this observation might be that large companies transfer their 30 Other bivariate analyses indicate the relevance of using for instance suppliers or competitors as sources of information. However, in multivariate analyses these variables turn out to be insignificant. R&D Mariageirienr 2 2 , 4. I992 high intraorganisational degree of formalisation3’ to their external relationships. Contacts with research institutes and universities as a determinant of innovation success. Hypothesis 3 is confirmed: with an increasing number of different types of contacts to universities and research institutes the companies show a higher technological innovation success (Kendall’s tau-c = 0.260, level of significance CY < 0.005). This finding is illustrated by figure 6 . The correlation between number of linkages to research institutes and universities, and commercial innovation success is also positive and significant. Our hypothesis was more conservative. Nearly all companies regard the benefit of their cooperation with research institutes or universities as ‘high’ or ‘very high’.32 Only 10% mention problems occurring during the cooperation, mostly regarding the poor performance of universities in keeping deadlines. 3 3 The injluence of context variables on innovation success R&D intensity. Hypothesis 4 is fully confirmed by the empirical findings. R&Dintensive companies show higher commercial innovation success than firms with low R&D-expenses in 070 of sales (Kendall’s tauc = 0.340, level of significance a < 0.005). 34 The question arises whether the maintenance of technology-oriented external relationships really influences innovation success or whether the R&D intensity is ’’ Cf. Child (1975). ’*The synergy potentials of cooperations between companies and universities have been illustrated in e.g. Boyle (1986) and Cyert (1985). ”For an elaboration on problems of R&D cooperations between industry and universities cf. Geschka and Alter and Schwerdtner (1975). It seems as if the there mentioned problems (e.g. lack of confidential or communication difficulties) have become less important. 34 The correlation between R&D intensity and technological innovation success looks rather similar (Kendall’s tau-c = 0.325; level of significance a < 0.005). 370 H. G . GEMUNDEN, P. HEYDEBRECK AND R. HERDEN 6C extent of technological innovation success share of companies [ % ] a 40 none limited considerable 20 0 none one two three four and more number of different types of contacts with universities and research institutes Figure 6 Number of different types of contacts and technological innovation success 100 80 60 no R&D cooperation share of companies [ % ] with technological innovation success R&D cooperation 40 20 0 <1% 1%-<3% 3%-<5% 2 5% R&D expenses in % of sales Figure 7 R&D intensity and cooperation as determinants of technological innovation success R&D Management 22, 4, 1992 37 1 Technological inter weavemen 1 decisive for innovation success and just ‘by chance’ R&D intensive companies cultivate external resources to a larger extent. In the following this question will be analysed with a multivariate design. At this point a trivariate finding is presented indicating that cooperation as an activity shows a significant influence on innovation success even if R&D intensity is simultaneously controlled. Figure 7 shows that R&D cooperation can be a very valuable means to extend the internal resource potential especially for companies with low R&D intensity. Size of t h e j r m . Hypothesis 5 is confirmed by the bivariate findings: Large companies show higher technological innovation success (Kendall’s tau-c = 0.218, level of significance CY < 0.005). They even realise higher commercial innovation success, though the correlation is not as strong as expected (Kendall’s tau-c = 0.092, level of significance CY < 0.005). Industry. Producers of industrial goods develop new products and improve existing ones more often than other manufacturing companies. They even have higher commercial innovation success. Companies in the food industry have astonishingly little innovation success. These findings are illustrated in figure 8. Multivariate analyses Logistic regression. In order to decide which of the analysed variables really have a specific influence on innovation success a multivariate approach has to be used. The authors do not believe that innovation success is a linear function of context variables or technological interweavement. Integrating external technological knowhow in one way or another certainly lengthens a company’s innovation potential and it stimulates innovation success but on the other hand it is assumed that there is a limit to positive effects of cooperation. The marginal utilities of increasing cooperation are positive but decreasing. (It seems rather implausible that companies cooperate that much that the marginal utilities become 40 501 share of sales made by new products share of companies [ % I 0 <lo% 30 10%-30% 30Yo- 50 Yo 20 >50% 10 n primary industry industrial goods consumer goods food industry industry Figure 6 R&D Management 22, 4, 1992 Indusrr! and commercial innobation success 372 H. G . GEMUNDEN. P. HEYDEBRECK AND R. HERDEN negative.) Therefore we decided to use a non-linear model. In this case the logistic regression35 appears to be appropriate. We use the Exp(B)-values which indicate a change of the ratio of successful to non-successful firms, if a category is changed (in case of a dichotomous or polytomous independent variable) or if a variable is increased by one unit (in case of a metric independent variable). Multivariate $findings. Concerning the influence of technological interweavement on innovation success, the multivariate analyses confirm the bivariate results: close contacts with lead users, cooperations with universities and research institutes as well as R&D cooperations with other companies all show a highly significant influence on technological innovation success. 36 Thus they indirectly lead to commercial innovation success. A direct influence of exploiting external resources on commercial innovation success could only be found for the variable 'contacts to customers' but it only reached a level of significance of CY =0.078. It will therefore not be included in the empirical framework. 37 Apart from these variables of technological interweavement, only R&D intensity is significantly influencing the technological innovation success: the more R&D intensive a company is the more likely is it to show technological innovation success. In addition, R&D intensity has a direct positive influence on commercial innovation success. The multivariate analyses show that industry, too, has a direct effect on commercial innovation success, 38 though the main determinant is the technological innovation success. Thus, technological interweavement, without having any direct influence, indirectly strongly affects commercial innovation success. Other context variables, e.g. size or location, show neither a direct influence on t Growth of sales Figure 9 Empirical framework" 3 5 F ~ ra detailed description of the logistic regression see e.g. Hosmer and Lemeshow (1989). 36 Hagedoorn and Schakenraad (1992) found that companies which maintain R&D-cooperation are more likely to show a high share of net income in total sales than companies without R&Dcooperation but they did not find a positive influence of cooperation on innovativeness. As their indicators for innovativeness are input (R&Dintensity) as well as output oriented (number of assigned patents) the construct innovativeness must not be compared to our construct innovation success which is a pure output indicator. "The levels of significance for the direct influence on commercial innovation success are as follows: cooperations with universities and research institutes a = 0.681, R&D-cooperations with other companies a = 0.662. 38 Companies in the consumer goods industry realize the highest percentage of their sales through new products, followed by primary industry and the industrial goods industry. In the food and beverage industry the percentage of sales with new products is very low, cf. appendix. R&D Management 22, 4, 1992 Technological interweavement technological nor on commercial innovation success, but multivariate contingency analyses show that they strongly influence the structure and intensity of a firm’s technological network, 39 which in turn influences innovation success. The commercial innovation success shows significant influence only on growth of sales not on growth of number of employees. Growth of sales is probably the better indicator for overall success as efforts to reduce costs can lead to a decrease of the number of employees. DISCUSSION AND OUTLOOK Based upon multivariate analyses the study documents that the mobilisation of external resources is a critical factor of performance for innovation processes. The findings are based upon logistic regression, also taking into account relevant context variables. A follow-up study with 492 companies in the chamber of commerce district of Schwarzwald-Baar-Heuberg supports the relevance of technology oriented external relationships for a firm’s innovativeness. 4 1 Firms which do not supplement their internal resources and competence with complementary external resources and knowledge show a lower capability for realising innovations. Apart from a few exceptions this results in decreased competitiveness against those companies interwoven in technological networks. 42 There are indications that this is especially valid for small and medium sized companies, which have far greater problems than large companies in acquiring qualified personnel to develop and maintain internal competence. 39Cf.Herden (1991) and Herden and Heydebreck ( 1991). ‘O For more detailed information see the appendix. 41 These results will be published in a future paper. Under specific circumstances innovations need not be necessary. Thus a distiller of whisky promotes his products with the slogan: ‘We promise no( to improve it’. The same holds true with respect to process innovations. Another brand of whisky is promoted with the slogan: ‘We devote the same time to distil our whisky as we did a 100 years ago.’ R&D Management 22, 4. 1992 373 The findings raise questions of two kinds which necessitate further research: 1. What are the conclusions f o r public policy? How efficient can public fostering of technological interweavement be? The following measures could be analysed: -founding of incubators, -subsidizing institutions which stimulate and mediate technology transfer, -giving grants t o cooperation projects, -strengthening disadvantaged firms to become attractive cooperationpartners (e.g. small and medium-sized companies). 2. What are the conclusions for the companies in accordance with: -systematic search for partners, -analyses of potentials and risks of cooperation, -treating of problems occurring in cooperations, -implementation and coordination of relationships? It is astonishing how strong the observed correlations are in spite of the quite rough operationalisation of innovation success. Nevertheless future studies should try to apply finer indicators, particularly for technological innovation success. Our study has shown that technological interweavement has an indirect influence on commercial innovation success and company success via technological innovation success. However, we were not able to quantify the strength of this effect, since we applied a non-linear-model, i.e. logistic regression. By using LISREL or other linear structural models, one could estimate direct, indirect and total effects. Besides, one could differentiate between constructs and indicators, thus providing better controls for measurement errors. Another interesting subject is the analysis of process innovations which have been largely neglected in this study. Technological interweavement may have an even stronger influence on innovation success as our study has shown, because it can also foster process innovations. On the other hand, it might very well be that other types of networks are required to develop or 374 H. G. GEMUNDEN, P . HEYDEBRECK AND R. HERDEN improve processes compared to products. For instance cooperation with suppliers and co-suppliers might be of a higher importance for process innovations than for product innovations. The study indicates that relationships must not be regarded in isolation, but that it is necessary to coordinate the relationships through network management (e.g. a lead customer might demand improvements of the durability of a product which forces the manufacturer to use new materials leading to a change of the production process. A cooperation with suppliers could help to speed up the innovation process and to reduce costs.). It would be interesting to analyse whether there exist different types of firms (e.g. ones that cooperate with customers and research institutes and ones that cooperate with suppliers and competitors) and find out under which circumstances different types prove to be efficient. APPENDIX logistic regression commercial innovation success with TECHSUCC (technological innovation success) R&DINT (R&D-intensity) SIZE (size of firm) REGION (location) IND (industry) CUST (importance of customers) COR&DUNI (cooperation with research institutes and universities) R&DCOOP (R&D-cooperations with other companies) /categorical R&DINT SIZE REGION IND /method = fstep. Variable TECHSUCC R&DINT R&DINT 11I R&DINT (2) R&DINT (3) IND IND (1) IND (2) IND (3) Constant 8 1.9040 - 0.3842 - 1.0078 - 0.0938 0.3352 0.2784 1.0241 -0.9148 Variables in the Equation S.E. Wald df 0.2963 41.2990 1 26.8706 3 0.2340 2.6964 1 1 0.2453 16.8747 0.2372 0.1772 1 14.5402 3 0.2897 1.3387 1 0.2510 1.2300 1 0.281 5 13.2331 1 0.2553 12.8366 1 Sig 0.0000 0.0000 0.1006 0.0000 0.6738 0.0023 0.2473 0.2674 0.0003 0.0003 R 0.2971 0.2165 - 0.0396 -0.1828 Exp(8) 6.7130 0.0000 0.6810 0.3650 0.9050 0.1385 0.0000 0.0000 0.1 589 1.3982 1.3210 2.7847 R&DINT (1) is formed by the companies which spend < 1 % of their sales on R&D. R&DINT (2) is formed by the companies which spend 1 %-3% of their sales on R&D. R&DINT (3) is formed by the companies which spend 3%-5% of their sales on R%D. R&DINT (4) is formed by the companies which spend > 5% of their sales on R&D, the Exp(B)-value is 4.41 85 (worked out as the residual effect, not calculated by the programme). IND (1) is formed by the companies of the primary industry. IND (2) is formed by the companies which produce industrial goods. IND (3) is formed by the companies which produce consumer goods. IND (4) is formed by the companies of the food and beverage industry, Exp(B) = 0.1944. logistic regression technological success with R&DINT (R&D-intensity) SIZE (size of firm) REGION (location) IND (industry) CUST (importance of customers) COR&DUNI (cooperations with research institutes and universities) R&DCOOP (R&D-cooperations with other companies) /categorical R&DINT SIZE REGION IND /method = fstep. R&D Management 22, 4, 1992 375 Technological interweavernent B Variables in the Equation Wald df S.E. Sig R 22.8072 3 0.0000 0.1921 -0.6790 0.2182 9.6802 1 0.0019 - 0.1298 1 0.01 61 -0.091 2 5.7924 -0.5231 0.2174 3.9406 1 0.0471 0.0653 0.4270 0.2151 .0020 0.1 285 1 9.5270 1.319 7 0.4276 0.1694 15.0730 1 0.0001 1.0218 0.2632 1 0.0048 0.1 1 4 4 7.9606 0.7813 0.2768 Constant -1.8913 0.4327 19.1026 1 0.0000 R&DINT (1) is f o r m e d by t h e companies w h i c h s p e n d < 1% o f t h e i r sales on R&D. 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R&D Management 22, 4, 1992