Torbjørn Lorentzen, M.A., Uni Research, University of Bergen, Allegaten 70, N-5007 Bergen, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Stig-Erik Jakobsen,  Professor,  Bergen  University  College,  P.O.Box  7030,  N-5020  Bergen,  Norway,  e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

The objective of the paper is to analyse why some firms innovate while others do not. The paper combines different theories of innovation by relating innovation to internal, firm specific assets and external, regional factors. Hypotheses are derived from theories and tested empirically by using logistic regression. The empirical analysis indicates that internal funding of R&D and size of the firm are the most important firm specific attributes for successful innovation. External, regional factors are also important. The analysis shows that firms located in large urban regions have significantly higher innovation rates than firms located in the periphery, and firms involved in regional networking are more likely to innovate compared to firms not involved in networking. The analysis contributes to a theoretical and empirical understanding of factors that influence on innovation and the role innovation plays in the market economy. Innovation policy should be targeted at developing a tax system and building infrastructure which give firms incentives to invest and allocate internal resources to R&D-activities and collaborate with others in innovation. From an economic policy perspective, consideration should be given to allocating more public resources to rural areas in order to compensate for the asymmetric distribution of resources between the centre and periphery. The paper contributes to the scientific literature of innovation by combining the firm oriented perspective with weight on firm specific, internal resources and a system perspective which focuses on external resources and networking as the most important determinants of innovation in firms. Keywords: innovation, region, location, centre and periphery, firm specific and external resources, networking, Norwegian industry, logistic regression.

Introduction

Theoretical and applied research in the field of innovation emphasizes different factors in the explanation and the role innovation plays in the economy; Fagerberg (2005) shows how innovation enhances competitiveness and productivity in firms. Christensen and Raynor (2003) argue that firms have to innovate in order to adapt and survive in a market economy. Analyses by Audretsh and Feldman (1996, 2003), Porter (2000), Fabrizio and Thomas (2011), Isaksen and Onsager (2010), Laursen, Masciarelli and Prenicpe (2012) and Lorentzen and Jakobsen (2015) show how sectorial and spatial differences are an influence on the rate of innovation collaboration. Studies indicate that R&D-activities and major product innovation seem to be concentrated to metropolitan regions (Fritsch, 2003; Simmie, 2003), and that firms in rural areas are often less innovative than firms in other areas (Tödtling & Trippl, 2005). It is also argued that firms in high-tech industries are more innovative than firms in low-tech industries (Tödtling & Trippl, 2007; Trott, 2012).

The referred literature has not explicitly focused on the question why some firms innovate and others do not. In this paper we want to answer the question by combining firm- and system oriented approaches in the explanation of innovation, and by using observational innovation-data at firm level in a statistical analysis. The paper contributes to the literature in two ways. Firstly, by combining the theories we follow a holistic approach which is more complete and comprehensive compared to explaining innovation by using a single theory or using the theories side-by-side. By combining theories we try to eliminate the problem with reductionism. An argument for combining theories in a holistic way is that it provides us with a better and more complete understanding of the mechanisms involved in the explanation of innovation compared to reducing it to a single factor. Secondly, the paper contributes to the literature by estimating a statistical model which includes explanatory variables which are derived from both main theoretical perspectives. By including explanatory variables from both theories in the model we can estimate the effect each variable has on the dependent variable controlled for the potential influence the other variables have on the dependent variable. Therefore the scientific approach makes it possible to test both theories simultaneously. The empirical part of the paper operationalizes concepts derived from both theories, and the logistic regression methodology is applied in analysing how firm-specific factors and regional characteristics in combination have an influence on the innovation rate among firms in the Norwegian economy.

The rest of the paper is organized as follows. The next section presents the theoretical framework applied in the analysis. We identify four attributes related to internal, firm-specific characteristics (size of the firm, sector, R&D personnel and own-financed R&D activity) and two are related to external, regional characteristics (the size and the quality of the region). We estimate a single model and test statistically how these various firm and regional characteristics together are an influence on the firms’ propensity to innovate.

The empirical methodology and estimation results are presented in the subsequent sections. The concluding section summarizes the findings and presents policy implications. The empirical analysis is based on the Norwegian Community Innovation Survey (CIS 2008) and cover the 2006–2008 period. The statistical analysis includes 8524 firms. This survey was conducted by Statistics Norway as part of the pan-European CIS, and coordinated by Eurostat, the EU statistics agency. The questionnaire is based on definitions of innovation input and output as presented in the OECDs Oslo Manual.

Theoretical Framework

Schumpeter (1934, 1943) argued that innovations are the fundamental impulses that set and keep the capitalist engine in motion. He defined innovations as new combinations of existing resources, such as new products, methods of production, sources of supply and ways of organizing business, as well as the exploitation of new markets. Firms need knowledge, skills and entrepreneurial abilities to innovate, and according to Schumpeter, not all firms possess these resources (Schumpeter, 1934). He argued that innovations are not “evenly distributed through time” but “appear, if at all, discontinuously in groups or swarms” (Schumpeter, 1934, p. 223). We can derive two important assumptions from these observations. First, disproportionate patterns of innovation can be linked to the fact that firms have different resources and different abilities to innovate; and second, some firms may have more favourable or productive environments for innovation than other firms. The first type of observation reflects the firm-oriented and management-inspired perspective in the innovation literature, while the second type of observation reflects the system-oriented perspective on innovation. The following section presents the firm- and system-perspective on innovation.

A firm perspective on innovation

In some neoclassical-inspired writings, firms are “black boxes” that only respond to changing market conditions. Firms seek optimal solutions, and their strategies and innovation practices are determined by the market size and conditions they face (Newell, Jaffe & Stavins, 1999). Because of the importance of innovation for economic growth, it is essential to clarify how firms differ and to specify which characteristics make firms innovative. We need to know why some firms have a good record of transforming resources into new goods and services or other innovations that customers are willing to pay for, whereas others seem less able to do this (Lazonick, 2005). Consequently, we have to elaborate on the sources of such inter-firm differences.

A fruitful approach for understanding such firm heterogeneity is the resource-based view of the firm. This assumes that firms are diverse, and treats firms as historical entities with unique characteristics (Foss, Knudsen & Montgomery, 1995). The resource-based view has its roots in the work of Penrose (1959) and early strategy theory (e.g., Chandler, 1962). This perspective states that the competitiveness and performance of a company depend on the extent its endowment of resources differentiates it from its competitors (Rangone, 1999). Organizations vary in their resources, and in the capabilities that those resources afford them. Resources become capabilities when they contribute to sustainable competitive advantages, which occur when resources generate differences in efficiency, are difficult to imitate, or are unique (Wernfeldt, 1984). This perspective is focusing on how firms make the most of available resources to be competitive and innovative. In their dynamic resource based perspective, Teece and Pisano (1994) argue that the most important competitive advantage of firms is their ability to reconfigure internal and external competences (see also Teece, Pisano & Schuen, 1997). Lawson and Samson (2001) propose the concept of innovation capability, defined as a firm’s ability to continuously transform knowledge and ideas into new products and processes. The theory also assumes that large firms have more resources and more capabilities than small firms, and that those firms in capital- and knowledge-intensive industries have more technological resources and know-how than firms in more traditional sectors of the industry. Consequently, larger firms and high-tech firms are more likely to innovate (Fagerberg, 2009). However, larger firms also face the particular challenge of simultaneously managing existing products and developing new and innovative products (Tushman & O’Reilly, 2002).

Within the resource based view there are also contributions inspired by evolutionary thinking focusing on how firms’ capabilities evolve over time. According to Nelson and Winter (1982), three features of firms are essential to innovation. The first essential feature concerns the structural characteristics of firms, which are associated with the business sector in which the firm does business (type of firm), the size of the firm and its organizational character. Among other things, the latter characteristic concerns whether firms have their own R&D organization and, if so, the higher the number of highly competent R&D personnel they have, the higher is the likelihood of innovation. Highly competent human capital is an important asset for innovation practice. A second feature that is essential to innovation is the core capabilities the firm has developed through time. As pointed out above, such capabilities are essential for differentiating the firm from its competitors. The third essential feature is a firm’s strategy, or the broad set of commitments that define its objectives and how it intends to pursue them (Nelson, 1991). These abilities or features do vary between firms, and they can also vary through time within a single firm. A firm can change from being an innovation leader to an innovation laggard when choices in the past result in technological and organizational rigidity (Njøs, Jakobsen, Fosse & Engelsen, 2016).

A systems perspective on innovation

Whereas the firm-oriented perspective emphasizes a firm’s internal resources, the system-oriented perspective focuses on the environment or the socio-economic context in which the firm does business. It can be argued that a firm’s propensity to innovate reflects characteristics of the firm’s environment, i.e., possibilities for networking, infrastructure, regional resources etc. (Cooke, 1992, 2001; Fagerberg, 2005; Fløysand & Jakobsen, 2011; Fløysand, 2012; Lundvall, 1992). Thus, the competiveness of firms is directly linked to their location. The concept of externalities is important in this line of thought. The co-location of firms generates economic advantages or positive external effects (Audretsch & Feldman 1996; 2004). Such effects are collectively produced and spill over to spatially proximate firms as “free” goods (Vatne, 2011). There are different types of externalities, and Hoover (1954) distinguishes between “location economies” and “urbanization economies”. “Location economies” refers to the co-location of firms that are in the same or related industries. Such specialized industrial milieus are expected to generate technological spill overs between firms and specialized labour markets (Marshall, 1920). “Urbanization economies”, or Jacob’s externalities, refer to the advantages of being located in larger diversified regions, such as a region with an advanced physical infrastructure and transportation system that affords access to well-developed and comprehensive private and public services. The larger the region, the greater the opportunity for both location and urbanization economies, and the greater are the potential for positive effects on a firm’s ability to innovate.

Freeman (1987) and Lundvall (1992) argue that innovation must be understood as an open, dynamic process, involving networking, learning and feedback loops among various types of actors such as R&D institutions and political authorities. Other studies have emphasized the importance of external knowledge sourcing for innovation (Enkel, Gassmann & Chesbrough, 2009; Clausen, 2013). Although Lundvall (1992) focused on national systems of innovation, Cooke (1992, 2001) developed his ideas around the concept of regional innovation systems. The emphasis on the regional level is partly based on the observation that externalities, which are essential in processes of interactive innovation, tend to be spatially bounded and decrease with distance. According to Autio (1998) and Tödtling and Trippl (2005), a regional innovation system consists of two subsystems. The first subsystem concerns the exploitation and application of knowledge, and comprises firms and their clients, suppliers, competitors and co-operating partners. The second subsystem concerns the generation and diffusion of knowledge, which involves various institutions engaged in the production and diffusion of knowledge, such as universities, university colleges, research institutions and mediating organizations. In addition, there is a political sphere, which refers to those institutions that formulate, implement and maintain policy instruments. The essence of these lines of thoughts is that regional systems differ in size and structure, and those differences influence a firm’s propensity to innovate (Cooke, 2012; Laursen et al., 2012; Malecki, 2012). For instance, some regional innovation systems are characterized by weak institutional structures, and few networks between firms and reactive policies. Thus, the prerequisites for such a regional innovation system are weakly developed. Other regions are characterized by knowledge-intensive industries, intense networking, several R&D institutions and proactive policies (Fløysand, Jakobsen & Sánchez-Hernández, 2014; Isaksen & Trippl, 2014; Jakobsen, et al., 2012; Njøs, et al., 2013; Tödtling & Trippl, 2005). Given a system perspective, it is expected that the latter, regional environment has a greater positive influence on the innovation rate than the former (Fløysand & Jakobsen 2016).

Toward An Analytical Model

We start this section by describing the variables included in the statistical model. Thereafter we present and estimate the model, and finally test and interpret results of the theory-based hypotheses.

We are interested in factors that determine: why some firms innovate while others do not. According to the objective of the paper we will integrate the firm- and the system-oriented approaches in the empirical analysis. Innovation is the dependent variable in the model and it includes product innovation, process innovation, market innovation, and organization innovation. The application of the term “innovation” is consistent with Schumpeter’s definition. Based on the principles of the CIS survey, we categorize firms as innovative if they reported one or more innovations during 2006–2008. About 48% of the firms included in the sample have reported one or more innovations. The construction of the analytical model (see Figure 1) depends upon the variables, definitions and categories in the CIS-survey. Our sample consists of 8524 firms.

The independent variables are attributes or characteristics that, according to the presented theories, influence a firm’s propensity to innovate. The objective is to analyse whether there is a systematic relationship between innovation and one or more of these attributes. Informed by our theoretical discussion, we differentiate between firm characteristics and regional characteristics. We identify four attributes related to firms (firm size, sector, R&D personnel and own-financed R&D) and two regional attributes (size of the region and the quality of the region).

(i) Firm size: The firms are grouped into the following five size categories: 5–9 employees, 10–19 employees, 20–49 employees, 50–99 employees, and 100 or more employees. Size of the firm is a proxy variable for different firmspecific factors which influence the propensity to innovate.

(ii) Sector: The second firm-specific attribute is the industrial sector the firm is part of. We classified firms into five sub-sectors: primary industry, “lowtech” manufacturing industry, “high-tech” manufacturing industry, trade and transport industry, and knowledge intensive services.

(iii) R&D personnel: Firms reported whether they employ R&D personnel, i.e. personnel that are dedicated to do research as an integrated part of the firm’s activity. In line with the definition used by Statistics Norway in the CIS survey, we have restricted the category to personnel with higher education (at least master’s degree or similar).

(iv) Own-financed R&D: The variable is a firm-specific characteristic and measures whether the R&D activity in the firm is own-financed or ownfunded. The variable is a binary variable where 1 indicates that the firm has funded their R&D by using its financial resources (equity) and 0 if they use external financial resources. In many cases firms combine own-financing with external funding. Firms without own-financing (the value 0) are funding their R&D activity solely through external investors or by using economic instruments (public loans or public grants).

(v) Size of the region: Firms’ locations were mapped in the survey and represent one of the proxy variables which operationalize external attributes in the explanation of variation in innovation. Jukvam (2002) has used numbers of inhabitants and centrality and divided Norway into the following five different types of regions: the capital region of Oslo (1 million or more inhabitants), metropolitan regions (between 200,000 and 999,999 inhabitants); medium-city regions (between 50,000 and 199,999 inhabitants), small-city regions (between 10,000 and 49,999 inhabitants), and rural regions (fewer than 10,000 inhabitants).

(vi) The quality of the region: The variable is the second proxy for what we define as “external attributes” or regional characteristics and it measures the quality of the region where the firms are located. There are distinct territorial variations, and although some firms are located in regions with a high degree of collaboration and networking (i.e. high quality regions), other firms are located in regions characterized by a lack of co-operating partners and actual network arrangements (i.e. low quality regions).

Figure 1 summarizes the various indicators which we expect have an influence on the innovation process. The arrow indicates the direction of cause and effect. The statistical model which we estimate in the next section is based on Figure 1.

Figure 1. Analytical mode

Methodology And Statistical Analysis

The following section presents the statistical model applied in the estimation of the relationship between the likelihood of innovation and the set of explanatory variables derived from the theories (see Figure 1). The dependent variable measures whether a firm innovates or not. The independent or explanatory variables are the attributes, i.e. four firm-related attributes (size, industry sector, R&D personnel and own financed R&D) and two regional attributes (size and quality of the region) that we believe, in accordance with the presented theories, influence a firm’s propensity to innovate.

We use y ito denote the dependent variable for firm “i” and assign a value 1 if the firm has registered an innovation and 0 otherwise. The explanatory variables x j, i.e. the six attributes j = 1, 2, …., 6 applied in the model are all dichotomous variables. “Innovation” is a general term and it includes product innovation (26%), process innovation (22%), market innovation (26%) and organizational innovation (26%). The number in parenthesis is the percentag of the total number of registered innovations in the sample. In total, about 48% of the firms in our survey reported one or more of these innovations. The dependent variable y is defined as:

Because the dependent variable is dichotomous, we used a binarychoice modelling approach, which is also referred to as a qualitative response regression model. The qualitative response model assumes that a firm either innovates or not innovates and that the state depends upon the attributes of the firms and the characteristics of the environment they operate in.

If we have information about the attributes of each firm and whether they have registered an innovation or not in the examination period, we can predict the likelihood of innovation. The primary objective is to determine the probability that a firm or company with a given set of attributes produces a successful innovation. In the section that follows, we estimate a logit model that quantifies the relationship between a set of firm attributes and that the firm successfully innovates.

By estimating the logit coefficients in the model, we are able to evaluate the probability of innovation based on different categories or attributes. The model makes it possible to compare estimated probabilities between categories (both firms and regional characteristics), and we can evaluate, for example, the potential effect private funding has on the likelihood of innovation or the importance of location in a metropolitan area. We can impose restrictions on the coefficients and test similarities between categories. The strength of the attribute effects is important in identifying the most likely combination of categories that contributes to innovation. Table 1 gives an overview of and defines the variables used in the model. The far right column shows the number of observations by category.

The theoretical logit model can be expressed in the following way (Formula 1):

where z measures the logit or log odds ratio of innovation, i.e. the natural logarithm of the ratio between the likelihood of innovation and the likelihood of non- innovation, Pr(·) is an abbreviation for the probability or likelihood of innovation, x j is the innovation attributes j = 1,…,k described above (see also Table 1), ε represents the error term and k is the number of explanatory variables in the model.

Constant

Table 1. Description of the dependent and independent variables in the model
Type of variableDummy = 1Number of observations by category
y Firm “i” has registered an innovation during the examination period. 4061
x1 Capital region 1982
x2 Metropolitan region 1831
x3 Medium-city region 2577
x4 Small-city region 1545
x5 Rural region 589
Sector (classification of industry)
x6 Primary industry 107
x7 Low-tech manufacturing industry and mining 6045
x8 High-tech manufacturing industry 752
x9 Trade and transport 3566
x10 Knowledge intensive services 1822
Size of the firm
x11 Employees between 5–9 1722
x12 Employees between 10–19 2080
x13 Employees between 20–49 2499
x14 Employees between 50–99 1243
x15 Employees 100+ 980
Regional collaboration with other firms in the innovation process
x16 Regional collaboration 1172
Capital
x17 Own-financed R&D 2479
R&D personnel
x18 Firms with R&D employees 2124
α Benchmark  

Note that we have included a constant term α which measures the effects from the “benchmark” category, and the estimated logit coefficient has the following interpretation: α is the predicted logit or log odds ratio of innovation by a firm which has the following properties: (a) the firm is located in a rural region, (b) it belongs to the low-tech manufacturing industry, (c) the firm does not own-finance the R&D activity and (d) the firm employs between 5 and 9 persons. Note that the estimated slope coefficient j measures the difference in the log odds ratio of innovation for a firm with the corresponding attribute x j relative to the base or reference category which is measured by the constant term α . The coefficients in the model are estimated with a maximum likelihood routine. The log odds ratio and likelihood are used interchangeable in the text because likelihood of innovation can be expressed as

and increasing (decreasing) value on the estimated coefficients α and β j, increases (decreases) the log odds ratio and equivalently the likelihood or probability of a defined event y = 1.

Results

Atributes’ influence on innovaton

In this secton, we present the results of our statstcal analysis which is based on 8524 observatons. We will discuss how these various atributes are an influence on frms’ propensity to innovate. Table 2 shows the estmated coefcients and statstcal propertes (asymptotc standard errors and t-values).

In this secton, we discuss the results of the unweighted estmated relatonship between the likelihood of innovaton and the explanatory variables.

Overall evaluaton of the model: The likelihood rato test of the following null hypothesis H0: the variables included in the model do not have any influence on the likelihood of innovaton, i.e. we test the following nullhypothesis; H0: β12=.....=β15=0 , and the result of the log-likelihood chi-square test is: λ = 2395 with 15 degrees of freedom and p-value = 0.00. The null hypothesis is rejected and we conclude that the model has explanatory power. The model predicts correctly 56.1% of the cases where frms actually report one or more innovaton, and the model predicts correctly 91.3% where frms actually did not register any innovaton.

Table 2. Estmated coefcients
Variable nameEstmated coefcientAsymptotc standard errorAsymptotc t-value (p-value)
x4: Small region β4=0.199* 0.116 1.715 (0.086)
x3: Medium region β3=0.186* 0.110 1.685 (0.091)
x2: Metropolitan region β2=0.281** 0.114 2.461 (0.013)
x1: Capital region β1=0.357*** 0.115 3.111 (0.002)
x6: Primary industry β6=-0.049 0.025 -0.195 (0.845)
x8: High-tech manufacturing β8=0.003 0.104 0.259 (0.979)
x9: Trade and transport β9=0.181*** 0.063 -2.874 (0.004)
x10: Knowledge-intensive services β10=0.019 0.077 0.254 (0.799)
x12: Employees 10–19 β12=0.144* 0.075 1.915 (0.055)
x13: Employees 20–49 β13=0.234*** 0.073 3.214 (0.001)
x14: Employees 50–99 β14=0.317*** 0.088 3.610 (0.000)
x15: Employees 100+ β15=0.431*** 0.098 4.419 (0.000)
x18: R&D Employees with "high" (academic) educaton   0.142 1.488 (0.136)
x16: Regional collaboraton of innovaton β16=1.023*** 0.100 10.228 (0.000)
x17: Own-fnanced innovaton β17=2.053*** 0.131 15.668 (0.000)
CONSTANT α=-1.141*** 0.116 -9.814 (0.000)
Note: ***, **, * Indicate signifcance coefcients at the 1, 5 and 10% level in a two-sided t-test, respectvely. Critcal values for one-sided tests given 10 and 5% signifcance levels are 1.28 and 1.65, respectvely. Sofware package Shazam is applied in the estmaton of the model.

The overall percentage correct predicton (Count-R2) is 74.6%. The cut value is 0.5. The model has clearly explanatory power and the conclusion is as well supported by McFadden’s ratio R2 = 1 - (L(β) / L(0)) = 0.20, which is relatvely high (Allison, 2012).

L(β) is the maximum likelihood of the unrestricted model while L(0) is the maximum likelihood of the restricted model when the coefcients are all zero except the constant term.

Firm size: The size of a frm can play a role in the innovaton process and the variable represents a frm-specifc atribute. According to the frmoriented theories, large frms have more differentated and specialized teams of employees than smaller frms with fewer resources and a more differentated human capital base which is advantageous for innovaton. In additon, we expect that large frms have a greater opportunity to utlize economies of scale and scope. We tested statstcally the null-hypothesis H 0: that the likelihood of innovaton does not increase with the size of the frm. The estmaton shows that we can reject the null-hypothesis because the estmated logit coefcients for the size variables ( 12, 13, 14, 15) are all signifcantly different from zero. According to the values of the coefcients the likelihood of innovaton increases with the size of the frm. The estmaton and associated tests show that the size of a frm plays an important role in the likelihood of innovaton. The general conclusion is that the larger a frm is, the more likely it is to innovate.

Sector: Our classifcaton of industry branches is broad, but not so rough that we cannot say something meaningful about the relatve rates of innovaton. In general, we expect innovaton in all groups, but according to theory we expect the “high-tech” manufacturing industry and the knowledgeintensive service sector to generate more innovaton than the other groups, especially compared to the reference group which is the low-tech manufacturing industry and mining industry located in rural areas. According to the model the estmated likelihood of innovaton in the reference group is (Formula 2):

The estmated likelihood of innovaton in these sectors is 0.24 which implies that about one out of four frms in this category has innovated. The estmaton shows that the logit coefcients for the high-tech manufacturing industry (β8) and frms in the knowledge intensive sector (β10) are not signifcantly different from zero even though the value of the estmated logit coefcients are higher. The result implies that the likelihood of innovaton in these sectors does not differ signifcantly compared to the likelihood of innovaton in the reference group which is about 0.24. On the other hand, the estmated model shows that the likelihood of innovaton in the trade and transport sector is lower compared to frms in other groups because the logit coefcient (β9) is signifcantly lower than zero. The likelihood of innovaton in the trade and transport group (x9)is as follows (Formula 3):

According to both the resource based and the evoluton theory of frms, we expect that “high-tech” and “knowledge-intensive” services have a higher likelihood of innovaton than the reference category. A closer look at the estmated coefcients shows that the ranking of the industry groups is consistent with theory, but the logit coefcients are not signifcant.

R&D personnel: R&D personnel are dedicated to research and innovaton within the frm, and thus they contribute to innovaton. According to the defniton applied in the survey, R&D personnel have at least fve years of higher educaton (master’s degree or similar). We expect, according to the frm-oriented theories and especially the resource-based view, that frms with dedicated R&D personnel are more innovatve than other frms. We tested the hypothesis H0: The likelihood of innovaton within frms with R&D personnel is not different from the reference group. The null hypothesis implies a test whether the estmated logit coefcient β18=0. The statstcal test shows that the null-hypothesis is not rejected because the t-value (t=1.49 and p-value = 0.14) is lower than the critcal value tc=1.96.

Own-fnanced R&D: According to the frm-oriented theories we expect that frms that are in the positon of fnancing R&D have a higher likelihood of innovaton compared to frms which are not in that positon. The expectaton is evaluated by testng the following null-hypothesis H017=0. The nullhypothesis is clearly rejected (p-value=0.00). The estmaton shows that internal funding of R&D has a strong positve and statstcally signifcant effect on the likelihood of innovaton. The size of the estmated coefcients and associated asymptotc t-values show that the willingness to use their own capital resources has the largest effect on the likelihood of innovaton. According to the frm-oriented perspectve on innovaton, companies that are willing to spend their own capital resources on R&D also reveal the preference that the expected rate of return on the investment in R&D and innovaton is equal or larger compared to the risk-adjusted return on the best alternatve allocaton of the capital. Further, frms that own-fnance the R&D are also in the positon of controlling the project and expropriatng the economic rent or excess proft generated from innovatons. We therefore suspect that the variable “own-fnanced R&D” is to some extent biased towards high probability of innovaton.

The size of the region: According to the regional system-oriented approach to innovaton, regions with a high number of people have more human resources, more accumulated knowledge and a “thicker” insttutonal infrastructure compared to regions with a smaller number of people. We evaluated this assumpton by testng the following null hypothesis H0: The likelihood of innovaton is not increasing with the number of people in the region where the frms are located. The null hypothesis implies that we test whether the following logit coefcients in the model are zero, i.e. H04321=0. According to the null-hypothesis we should not expect the alternatve hypothesis which states that β4321. The estmaton shows not only that the s actually are signifcantly different from zero, but the value of the coefcients are increasing in the following way β4321. Note that the values of the coefcients β4 and β3 are not signifcantly different from each other. The estmaton shows that there is a positve relatonship between the size of the region where the frms are located and the frms’ probability of innovaton. The likelihood of innovaton for frms in rural areas (regions with fewer than 10,000 inhabitants) is signifcantly lower relatve to the other four types of regions. The largest likelihood of innovaton is estmated for frms in the capital region (i.e. the region with the highest number of inhabitants). In summary the estmaton and tests indicate that the likelihood of innovaton is signifcantly greater in the capital region relatve to the other regions except for the medium-city area, and that there is a tendency that the likelihood of innovaton increases with the size and the endowment of resources in the region.

The quality of the region: Within the system perspectve it is argued that networking is important for innovaton. Somewhat simplifed, it is antcipated that frms can either be located in regions with a high degree of regional collaboraton and networking (so-called high quality regions) or be located in regions which lack co-operatng partners and network arrangements (socalled low quality regions). We believe that observed regional networking of frms indirectly reflects such qualites of the region. Variable in the model measures whether frms cooperate and are an integrated part of a network of frms. We evaluate whether cooperaton has any influence on innovaton by testng the null-hypothesis H016=0. The result of the test rejects the null-hypothesis (p-value = 0.00). The analysis clearly indicates that regional collaboraton has a signifcant positve effect on the likelihood of innovaton. Thus, the likelihood of innovaton is larger for frms that collaborate with regional actors than for frms that are not involved in such collaboraton. The reason that the later are not involved in regional collaboraton can either be a lack of potental partners in the region or that the single frm does, for different reasons, not embrace the possibility of such regional collaboraton.

Discussion And Conclusions

The objectve of the paper was to combine different perspectves on innovaton and analyse why some frms innovate while others do not, i.e., to fnd out why some frms, but not all, are in the positon of generatng new products, new methods of producton, or developing new ways of organizing the business or exploitng new markets. The review of the theories shows that innovaton in frms is critcally conditoned on whether frms are endowed with a set of unique resources or assets and are operatng in a socio-economic environment which stmulates innovaton. In the empirical part of the paper we have integrated different theories of innovaton in a single regression model and tested simultaneously propertes based on both theories, rather than applying the theories separately, side-by-side.

From regional system and frm-oriented theories we derived atributes which measure propertes and characteristcs which influence the likelihood of innovaton. Four of these explanatory atributes are frm-related (size, sector, R&D personnel and own-fnanced R&D) and two are regional characteristcs (size and quality of the region which are proxy variables for the endowment of resources in the region). The empirical part of the paper applied data provided by the Community Innovaton Survey of innovaton among frms in Norway. We applied logistc regression methodology in analysing whether the derived atributes have any influence on the frms’ propensity to innovate. The main conclusions from the empirical analysis are as follows:

Size of the frm: The estmaton and tests showed that the size of the frm plays an important role and affects the likelihood of innovaton. The larger the frm is, the more likely it is to innovate. The fnding confrms the frmoriented theories which emphasize that larger frms have more resources and assets to generate innovaton compared to smaller frms.

Sector: The estmated model showed that the likelihood of innovaton was similar across categories of industry sectors, except that the likelihood of innovaton was signifcant lower in the trade and transport sector. The estmaton shows that innovaton rates across industries are almost identcal. The fnding could in the frst place be perceived as a contradicton of the frmoriented theory of innovaton because theory predicts that knowledge and capital-intensive industries have a higher propensity to innovate compared to low-tech, traditonal industries. The fndings do not support the theory. However, we argue that relatvely similar innovaton rates are not necessarily a falsifcaton of the theory because the type of innovaton and effort behind it could differ substantally between industries, and we should be open to the argument that comparing innovaton across industries could be inconsistent, in the sense that sophistcated, tme and capital intensive product innovatons are not equal to marginal and low cost incremental innovatons. Both are registered as an innovaton and treated equally in the survey, even though they could be completely different with respect to effort, spent resources and innovaton novelty. These remarks are topics for further research.

R&D personnel: We tested the hypothesis whether frms with R&D personnel are more innovatve than other frms. The statstcal model showed that frms with R&D personnel have a positve effect on the likelihood of innovaton, but the effect is not signifcantly higher compared to other frms. We presented the following remark which could explain the empirical result: The Norwegian Community Innovaton Survey does not take into account that “innovaton” is a heterogeneous product or process across industry sectors and the frms’ characteristcs, and we argued that frms with R&D personnel work in a feld of innovaton that is intellectually complicated and capital intensive.

Own-fnanced R&D: The size of the estmated logit coefcients and associated t-values indicate that internal funding of R&D has a large positve effect on the frms’ likelihood of introducing an innovaton. The result supports the frm-oriented theory of innovaton. We argue, without any empirical verifcaton, that the strong effect could partly be explained that frms are antcipatng that investments in these types of innovaton projects are exposed to a relatvely low economic risk, and partly that frms expect to expropriate a large part of the economic rent or proft generated by the innovaton. These explanatons could therefore produce biasness toward successful innovaton, and statstcally a strong result. We could add to this point that frms that are able to fund the R&D are already well run, successful frms. Successful innovaton makes them even more compettve and proftable which in the next round have a positve effect on the frms’ ability to fund R&D. We can therefore not exclude that there is a positve feedback effect between proftability, ability to fund R&D, and successful innovaton. This is a topic for further research and whether these arguments are supported empirically.

The size of the region: The size of the region is a proxy variable for endowment of resources and competence in the region. The estmaton showed a signifcant positve relaton between the size of the region where the frms are located and the probability of innovaton. The largest likelihood of innovaton was estmated for frms in the capital region (i.e. the region with the highest number of inhabitants and variety of insttutons), and the lowest for frms located in rural areas (regions with fewer than 10 000 inhabitants). The fndings support the regional system-oriented theory of innovaton.

The quality of the region: We believe that observed regional networking of frms indirectly reflects the qualites of the region, i.e. whether the milieu is stmulatng regional collaboraton or not. We found that regional collaboraton has a signifcant and positve effect on the likelihood of innovaton. Thus, the likelihood of innovaton is larger for frms that collaborate with regional actors compared to frms that are not involved in such collaboraton. The result supports the regional system-oriented theory of innovaton.

The main objectve of the analysis was to combine theories which could provide us with a broader understanding of why some frms innovate and others not. The explanaton behind “why” is based on theoretcal and empirical analyses of how frm-specifc and regional characteristcs are an influencing on a frm’s propensity to innovate. According to the estmated logit coefcients, a frm’s ability to fund R&D is the most important frm characteristc for innovaton. Companies that are in a positon to use internal resources to fund R&D are much more likely to develop innovatons. When a frm is able to fund its own research, it increases the probability of innovaton signifcantly. The sample data also show that there is a positve correlaton between the size of the frm and whether a frm has R&D personnel and/ or are able to own-fnance R&D-actvity. Firms with these characteristcs are frst of all involved in product-innovaton. The size of the frm is the second most important frm characteristc linked to a high rate of innovaton. The larger a frm is, the more likely it is to innovate. The most important regional characteristc is geographical proximity to innovaton partners, i.e. the quality of the regional system with respect to interacton between frms and insttutons. Firms that utlize this resource and set up partnerships with other actors in their region are signifcantly more innovatve than frms that lack such regional partnerships. We also found that frms in larger urban regions were more likely to innovate than frms in rural areas.

The analysis has several implicatons for industrial innovaton policies and we will sketch some of these as follows: First, successful innovaton is related to internal funding. It implies that the business tax system can be adjusted to give frms stronger incentves to spend its own resources on R&D, for example by using instruments that reduce the expositon of risk associated to a project. Second, there is a signifcant positve correlaton between the size of the frm and fnancing its own R&D. Since own fnancing R&D has a positve influence on the likelihood of innovaton, it will have implicaton for the industry policy which aims to stmulate innovaton in small frms. Third, public innovaton policies should invest in infrastructure and stmulate networking among frms because it increases interacton and contributes to positve economies. The policy should provide small frms with incentves to co-operate with and learn from larger frms located in the same region. In order to increase the expected effect from industrial innovaton policies, innovaton instruments should be conditonal on frms taking part in networking and innovaton collaboraton with other frms. Fourth, innovaton policies should consider allocatng relatvely more economic resources, human capital and competence to rural areas in order to compensate for asymmetric distributon of resources between the centre and periphery.

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Biographical notes

Torbjørn Lorentzen has a Master’s degree in economics from the University of Bergen, Norway and he is a senior scientst at Uni Research A/S, Bergen, Norway. His main research subjects include econometrics, market and structural analysis and the socio-economic impacts of climate change.
Stg-Erik Jakobsen is Professor in economic geography and runs the Centre for Innovaton at the Bergen University College. He holds a Ph.D. from the University of Bergen, and is experienced in studies of industrial development and processes of learning, networking and innovaton within various milieus and sectors. His core expertse lies within analyses of the systemic nature of innovaton, the evoluton of clusters and innovaton policy design, and he has an extensive publicaton record in internatonal journals.