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|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|2312||2012||13 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Research Policy, Available online 23 November 2012
This paper analyzes empirically whether expansion of a university system affects local industry innovation. We examine how the opening of new university schools in Italy during 1985–2000 affected regional innovation. We find that creation of new schools increased regional innovation activity already within five years. On average, an opening of a new school has led to a seven percent change in the number of patents filed by regional firms. The evidence suggests that the effect is mainly generated by high quality scientific research brought to the region with new schools.
Between 1960 and 2000, there was a large expansion in universities in the industrialized countries. Early expansion was to deal with the baby boom coming of university age; later expansion was driven by the desire to increase the proportion of the population receiving tertiary education.1 The clearest effect was just that: an increase in the general education level of the labor force. Naturally, a rise in student numbers tended to be accompanied by a rise in the size of the professoriate and an increase in the sizes and numbers of universities. University expansion coincided with spectacular rise of innovation activity in industrialized world. In 1963 the US Patent Office granted around 45 thousand patents; by the end of the nineties the yearly number of granted patents approached 160 thousand (Hall et al., 2001). How to maintain this competitiveness and get more innovation out of a knowledge system has become a hotly debated issue. Following the line taken in the literature on innovation systems, it is often suggested that stimulating academic research and close interactions between academia, industry and government are necessary to promote knowledge flows and innovation. These policy suggestions are often based on the idea that universities have within them some of the keys to increasing innovative activity.2 The fact that the increase of innovation activity during past decades coincides with the increase in the size of the university sector might suggest that the innovation performance of an economy is determined in part by the supply of universities in the innovation system. This hypothesis motivates our analysis. There have been many studies of the relationship between universities and industrial innovation, particularly at the regional level (see Section 2.1). The vast majority of these studies analyze cross-sectional data, focusing on either the presence or size of universities and the relationship with local innovation activity. Generally, they document a strong relationship between university research activity and industrial innovation. But there are well-known difficulties in drawing conclusions from cross-sectional analysis about phenomena that take place over time, so while the results are suggestive, one must be cautious in drawing the “obvious” policy conclusions from them, particularly in terms of whether opening new universities is a good idea. Additionally, endogeneity problems are rife in this kind of work – some of the effects of university–industry interaction are driven by supply of knowledge, some by demand for it; external factors may drive both public and private research output simultaneously; the location of universities and firms is often endogenously determined (Mairesse and Mohnen, 2010) – all imply that identifying empirically the effect of universities would ideally rely on exogenous shocks to university supply. Such shocks are rare in real life and most studies rely on strong assumptions to claim the existence of the supply-side effects. There was, however, a period of several years in the 1980s and 1990s in which Italy opened many new university schools in different regions of the country.3 University expansion was centralized and, as was acknowledged later by policy makers, the distribution of new schools across regions was largely independent of the properties of the regional economy. In fact no significant correlation can be observed between the number of new schools in a region and regional characteristics including population, share of graduates in the labor force, private and public investment in research and development, and value added produced by different economic sectors. We use this episode to ask directly whether expanding university activity by opening new universities has an identifiable effect on local industrial innovation. This is the first issue we address in this paper. The second issue has to do with the nature of the relationship between universities and industrial innovation. There have been several studies on the “channels” of interaction between university and industry (see Section 2.2). By and large, these studies are based on firm surveys, asking firms about their external sources of knowledge or information. As one might expect, firms use many different channels for accessing university expertise: academic papers or patents, conferences, seminars, consulting, and so on. But one could frame the question in a slightly different way. What measures of university activity help explain their effects on local innovation? Scientific publications are thought to represent advances in basic knowledge. Patents represent advances in applied knowledge. Both of these activities indicate human capital capable of producing novel knowledge, basic and applied respectively. We construct measures of these activities using data from Thompson ISI and the European Patent Office. Additionally though, universities might possess other competences harder to quantify or describe, for example skills or accumulated knowledge that can be applied to issues other than creating novelty. These too could be of value in industrial innovation activities. In the latter part of the paper we perform an accounting exercise in an attempt to assess whether the human capital associated with creating new basic knowledge, creating new applied knowledge, or something different is what drives the university effect on industrial innovation. For two reasons we focus on the short-term effects of academic research. First, it is likely that regional collaboration networks grow fastest in the first few years after opening of new university schools. Second, considering the short-run effect of universities allows us to identify the direct influence of academic research on innovation activity and to exclude other channels. In particular, it permits us to avoid the issue of how graduates contribute to innovation.4 So by focusing on the short term effects, we can identify direct knowledge spillover effects from university faculties to local industries. Our results suggest that there is indeed a significant effect of the creation of new university schools on regional research and innovation activity. Industrial patenting increases following the introduction of a new school to a region: on average, one new school has led to about a seven percent increase in the number of patents filed by regional firms five years later. But the quality of patents produced as a consequence of university supply shock is not different from the rest of regional patents. Given that the level of development of a region affects its absorptive capacity, one might expect that more developed regions with more intensive R&D activity benefit more from interactions with universities. However, contrary to this hypothesis, we find that less developed regions benefit more from university–industry interactions. Regarding the second issue, we find that the number of academic patents explains essentially none of the effect of universities on innovation. Publications corrected for quality explain most of the effect of universities on local industrial innovation. This suggests that in order to increase regional innovation the intermediate policy goal should be to increase the amount of high quality academic research carried out in the region. The rest of the paper is organized as follows. Section 2 reviews the existent empirical findings concerning the role of academic research in innovation systems. Section 3 describes the data. Section 4.1 introduces the empirical model and comments on the main identification assumptions. The results of the empirical analysis are provided in Sections 4.2 and 4.3. Finally, Section 5 concludes.
نتیجه گیری انگلیسی
In this paper we focus on the economic effects of universities, and in particular on their effects on innovation. It is widely believed that the presence of a university in a region is beneficial for industrial innovation activity. We have taken advantage of certain unusual features of university expansion in Italy during the 1980s and 1990s in an attempt to identify the effect of university presence on regional innovation. According to ex post evaluation of the expansion programmes, university schools were created “like rain”, independently of underlying economic features of the regions. This experiment permits a nice way out of standard endogeneity problems. Our first result indicates that there is indeed a significant effect of the creation of new university schools on regional innovation activity. Industrial patenting activity in the region increases quite significantly even within five years of a new school opening. Thus the general impression seems to be correct: university activity is positively correlated with local innovation activity, and a policy tool to increase the latter is indeed to increase the former. The effect of new schools depends on the economic characteristics of the area. Poor regions with low levels of R&D and human capital investment are the ones that benefit most from an increase in university presence. This suggests that one role of universities is to fill gaps in missing R&D infrastructure. If this is the case, and if there are positive feedbacks in innovation dynamics, then opening a university in an innovation-poor region can be an effective part of a development strategy for that region. Our results suggest that in an initial period when the region is poorly endowed with “innovation assets”, the university presence can compensate. This, under the proviso that other necessary assets are present, could help to push a region onto a higher innovation path. How are these benefits created? Marshall might suggest that it arises simply from the agglomeration of agents pursuing related activities; Mike Lazaridis22 asserts that it arises through the production of highly trained graduates; supporters of the Bayh-Dole act assert that it comes from controlled technology transfer through academic patenting. Given the time frame we examine, namely effects within 5 years of a school opening, we exclude from the analysis any effects of universities driven by the new graduates who enter regional labor markets. To address the question of other channels through which this influence flows, we have performed an accounting exercise estimating how the gross effect of increasing the number of universities is affected when we add to the model proxies of factors that might be intermediary in the process. The factors that we focus on include professors’ ability to produce scientific research and their ability to produce patentable inventions. We measure the former by the number of ISI publications and the latter by the number of patent applications done with the participation of academic inventors. We observe that the human capital associated with traditional university production, as measured by scientific publications and their citations, has a strong effect on innovation, whereas academic patents cannot explain observed university effects. At the same time, we do not exclude the possibility that other types of academic human capital, apart from the ability to produce frontier research, could be relevant as well. Such competences as collecting, generalizing and classifying existent knowledge might be relevant for industrial inventors. Universities perform many activities, and contain many varieties of skill and knowledge. Almost certainly it is a mixture of skills and knowledge that serves the interests of the local economy. However, the results presented in this paper suggest that it is possible to tilt the skill set in directions that are not in fact useful. They suggest that forcing universities to change tack towards more applied research may not, in fact, provide for the needs of local industry. At the very least, introducing patenting activity as a new measure of university performance may not capture what matters, and, in the face of Goodheart's law, as a policy tool to make universities more relevant to industry may be self-defeating. The traditional tool that values high-quality scientific research may remain more to the point.