Timing of innovation policies when carbon emissions are restricted: An applied general equilibrium analysis

This paper studies the timing of subsidies for emissions-saving research and development (R&D) and how innovation policy is influenced by a carbon tax. We develop a dynamic computable general equilibrium (CGE) model with both general R&D and specific emissions-saving R&D. We find two results that are important when subsidizing emissions-saving R&D in order to target inefficiencies in the research markets. First, the welfare gain from subsidies is larger when the carbon tax is high. This is because a high carbon tax raises the social value of the emissions-saving technology and that this increase in value is not fully appropriated by the private firms. Secondly, the welfare gain is greater when there is a falling time profile of the rate of subsidies for emissions-saving R&D, rather than a constant or increasing profile. The reason is that knowledge spillovers are larger in early periods.     

Spillovers,product innovation and R&D cooperation: a theoretical model

ABSTRACT

We analyze the impact of post-innovation knowledge spillovers on firms’ decisions to invest and cooperate in R&D, forming a research joint venture (RJV). We study the case of two potential investors involved in a non-tournament stochastic competition for developing a new but imitable product. We propose a theoretical model where cooperation may emerge as a subgame perfect Nash equilibrium of a three-stage game. In the first stage, firms decide whether to cooperate; in the second, they decide whether to invest; and in the third, they compete. We show that firms cooperate in R&D when the spillovers are high enough and the fixed costs associated with R&D activities are low enough; however, our analysis suggests that forming an RJV may not always be socially optimal, and subsidizing R&D cooperation may not be efficient. We propose an optimal scheme of subsidies, which should be designed according to the intensity of the spillovers, the level of the R&D costs, and the probability of innovation success. Finally, we show that in the case of mergers the private incentive to invest is maximized, and firms may not need public subsidies to cooperate. When subsidies are costly, not hindering mergers may be the second-best solution.     

HOW DO SPATIAL SPILLOVERS DIFFUSE IN SCIENCE–INDUSTRY INTERACTIONS? THE CASE OF FRENCH BIOTECH SECTOR

The objective of this article is to study the interactions that exist between public research and private research in the French biotechnology sector. These interactions are observable at a double level. On the one hand, public research can influence private research, and conversely. Researchers of these two spheres develop important relations of cooperation. We then seek to identify these mutual influences and to measure their spatial dimension. Using asymptotic least squares method, we show that spillovers can diffuse through cooperation in upstream and downstream phases of the innovation process. On the other hand, spillovers resulting from public or private research, when measured by an external stock of knowledge, would be located, in so far as they exist.     

Does a clustered location matter for high-technology companies' performance? The case of biotechnology in the Netherlands

Young entrepreneurial companies in biotechnology tend to cluster in space, nearby research universities and research centers. This pattern is often ascribed to the availability of external economies, mainly local knowledge spillovers that help to reduce the uncertainty from a disruptive technology faced by these companies. Given a shortage of empirical research on cluster advantages and performance of clustered companies, we present results of a comparative analysis of clustered and non-clustered companies in biotechnology and Bionanotechnology in the Netherlands. It appears that, among other influences, a clustered location has no significant influence on innovation and speed of growth. However, a location in the largest cluster (Leiden) does contribute to a better performance in terms of innovativeness compared with all other locations. The kind of external economies involved seems to vary according to the stage in the knowledge value chain and the segment in biotechnology industry. Knowledge spillovers tend to be local for companies involved in new drugs and diagnostics research only in the first stage of the knowledge chain and for service companies regardless of the stage in the knowledge chain.     

Free software on the market-side: the failure-story of free software services companies in France

ABSTRACT

This article investigates two research funding policies in a cooperative and a non-cooperative R&;D setting: subsidising private research (Spr) and subsidising public research (Spu). We show that R&;D cooperation with subsidies (either Spr or Spu) always performs better than R&;D cooperation with no subsidy. Furthermore, the Spr policy leads to better performance than the Spu approach does in terms of overall net surplus whether the firms cooperate or not in R&;D. Nevertheless, comparing the two research funding policies for the same level of public spending shows that the Spu policy with R&;D cooperation is in some cases more effective than the Spr policy, the latter becoming too costly for the government when spillovers are high.     

THE INTERNATIONALIZATION OF AGRICULTURAL TECHNOLOGY: PATENTS, R&D SPILLOVERS, AND THEIR EFFECTS ON PRODUCTIVITY IN THE EUROPEAN UNION AND UNITED STATES

Multilateral indices of total factor productivity (TFP) allow efficiency comparisons between ten European Union countries and the United States from 1973 to 1993. Differences in TFP levels are then explained by land quality differences, public research and development (R&D) expenditures, education levels, private-sector patents, international spillovers of public R&D, and private-sector technology transfer. There is evidence that public R&D results in limited knowledge spillovers between the European countries and the United States. However, the use of international patent data from the Yale Technology Concordance shows not only that patents matter, but also that private sector technology transfer may be the dominant force in explaining TFP trends. The United States and the European Union countries with more advanced research systems (Netherlands, Denmark, France, and Belgium) converge in a high-growth club, while Germany, Luxembourg, Greece, Italy, Ireland, and the United Kingdom form the slow-growth group. Ignoring knowledge spillovers and technology transfer leads to biased estimates of R&D elasticities, which is hardly surprising since the private sector is now spending more than the public in some of these countries. Thus, the estimated rate of return to public agricultural R&D falls from over 60% in the closed economy model to 10% in the model that takes account of international spillovers. (JEL Q16)     

Knowledge spillovers,absorptive capacity and total factor productivity in China’s manufacturing firms

Applying the stochastic frontier framework, this study explores the diffusion and absorption of technological knowledge in China’s manufacturing firms, based on a panel of more than 10,000 local and foreign-invested firms over the period 1998–2001. Our empirical approach allows us to distinguish between technological progress (TP) and technical efficiency (TE) in analysing whether R&D, exports and the presence of foreign direct investment simultaneously enhance TP through knowledge spillovers in a single framework and whether different types of domestic absorptive capacity moderate external knowledge spillovers in relation to TE. The results show that there are positive inter-industry productivity spillovers from R&D and foreign presence, whereas evidence of intra-industry productivity spillovers from FDI to Chinese firms is less robust. We find evidence that absorptive capacity is one of the key determinants to quantitatively explain intra-industry differences in productivity of local Chinese firms. The findings have important policy implications.     

Public Technology Infrastructure,R&D Sourcing,and Research Joint Ventures

In this paper, we define public technology infrastructure to mean public resources that bring new R&D into existence. Examples are public research that yields knowledge spillovers and government contracts that broker new research. Using this definition we explore the effect of public infrastructure on cooperative R&D, especially R&D sourcing and research joint ventures (RJVs). Our findings strongly suggest that public infrastructure promotes cooperative R&D. We begin by studying the role of federal laboratories in R&D sourcing by private laboratories, finding that sourcing increases as a result. Then we examine patents arising from RJVs sponsored by the Advanced Technology Program (ATP). We find that R&D subsidies as well as difficulty and novelty increase patents produced by the RJVs. Contractual oversight by ATP has no direct effect but an indirect effect appears to exist, since firms value ATP oversight more highly for more difficult and novel projects, and these produce more patents.     

知识溢出理论的研究进展与述评

知识溢出的提出最早可以追溯到Marshall对外部性的讨论,自新经济地理理论以来,知识溢出更成为了近年来研究区域经济学增长、产业集群创新等领域不可缺少的变量。首先,通过回顾国内外学者对知识溢出的研究,发现知识的非竞争性和部分排他性是知识溢出现象发生的根本原因,产业内知识溢出和产业间知识溢出在产业发展的不同阶段具有程度各异的影响;其次,因地理距离和社会距离的存在,限制了局部区域知识的外溢,知识溢出具有空间局域性特征。在一定范围内,人力资本流动、商品贸易、FDI、合作研发、非正式交流等活动均成为了知识溢出的途径。尽管知识溢出是无意识的行为,但知识在流动中留下了可追溯的痕迹,并可通过知识生产函数法、专利引用文献法、C-H模型进行测量。最后,文中还展望了知识溢出在解释企业创新决策行为、产业集群创新、区域经济增长等方面的应用,并指出下一个研究方向。     

政府补助方式对新能源汽车企业绩效影响研究

以2010－2015年新能源汽车行业上市公司面板数据为样本,区分政府补助方式,实证分析政府研发补助和非研发补助对企业绩效的影响。研究表明：政府研发补助对企业创新绩效有显著正向影响;政府非研发补助对企业经营绩效有显著正相关作用,且随着企业经营绩效提升,政府非研发补助对企业研发投入起到间接正向作用;企业研发投入在政府补助与企业创新绩效中存在部分中介效应。根据企业成长性对样本进行分组,进一步发现政府研发补助对高成长性企业创新绩效具有显著促进作用,而对低成长性企业无显著影响;政府非研发补助对企业经营绩效均有显著正向影响,对高成长性企业的影响更突出。     

Knowledge flows through social networks in a cluster: Comparing university and industry links

Knowledge spillovers from a university to the local industry play an important role in high-technology clusters, but we know little about these spillovers. This paper examines empirically the extent of informal contacts between employees in firms and local university researchers in a wireless communications cluster. Furthermore, it analyses the features of an engineer who acquires knowledge from these informal contacts. The university–industry contacts are compared to results for informal contacts between employees in firms. The research shows that the interfirm informal contacts are more numerous than university informal contacts. Likewise, knowledge is more frequently acquired from engineers in other firms than through university–industry contacts. However, not all engineers in the cluster have informal contacts or acquire knowledge through these. Engineers who have participated in formal projects with university researchers and engineers who are educated at the local university have a higher likelihood of acquiring knowledge from informal contacts with university researchers.     

Do subsidies have positive impacts on R&D and innovation activities at the firm level?

In this paper we analyze whether and how “research” and “development” subsidies influence private R&D activity. Our empirical results show that “research” subsidies stimulate R&D spending within firms while “development” subsidies substitute such spending. At the theoretical level we find empirical support for the market failure argument that private R&D expenditure is best stimulated in areas where the gap between the social and the private rate of return to R&D is high. A policy implication is that technology programs should support research projects in the private sector in order to stimulate to more R&D.     

Pollution Regulation and the Efficiency Gains from Technological Innovation

Previous studies suggest a preference for emissions taxes over (non-auctioned) emissions permits and performance standards based on their potential for promoting technological innovation. We present simulation results that cast some doubt on the empirical importance of this assertion: the welfare gain induced by an emissions tax is significantly larger than that induced by other policies only in the case of very major innovations. We also find that the presence of technology spillovers per se does not necessarily imply large inefficiencies. Thus, despite spillovers, the welfare gain from additional policies to promote innovation (such as R&D subsidies) may be limited.     

Human capital and international knowledge spillovers in TFP growth of a sample of developing countries: an exploration of alternative approaches

This study tests and compares the two major approaches to the modelling of human capital in growth regressions, i.e. the Lucas and the Nelson-Phelps approach, in the context of developing country models with international knowledge spillovers. On balance, the results seem to favour the Nelson-Phelps approach. Using human capital stock variables instead of flow variables, a positive role for human capital in the absorption of international knowledge spillovers other than embodied R&D spillovers is confirmed. The results suggest the importance of distinguishing between different types of international knowledge spillovers, as well as between different human capital sub-categories.     

Multinational enterprises and innovation: firm level evidence on spillover via R&D collaboration

This paper estimates the knowledge spillovers to multinational enterprises (MNEs) in Sweden via domestic and foreign R&;D collaboration. Applying an augmented generalized method of moments-estimator that accounts for selectivity and simultaneity bias on data from 1,249 MNEs, our research has resulted in five distinct conclusions. First, we find that the knowledge spillovers via R&;D collaboration typically take place as a network phenomenon rather than a process between the local firm and a single innovation partner. Second, successful collaboration is conditional on the presence of foreign innovation partners in the network. Third, output is found to be an increasing function of R&;D-collaboration only among non-export oriented firms. Fourth, foreign MNEs, selling mainly to local and regional markets in Sweden, benefit more from R&;D collaboration than do other firms. Overall, the results show that demand-driven motives that require entrepreneurial knowledge to adapt products to local consumers and markets are more important for successful R&;D-collaboration than supply-driven motives.     

溢出效应、R&D合作及政府补贴

为了纠正技术研发的负外部性(溢出效应),政府一般可以选择3种政策工具,即专利制度、R&D合作以及政府补贴。对厂商进行R&D合作和向厂商R&D提供补贴的情况进行了比较分析,发现:考虑3种博弈情况(即R&D竞争、R&D合作和垄断),当溢出率较小时,最优R&D补贴提高了R&D的水平、增加了研发产出和厂商利润。     

政府补助、产权性质与定向增发

政府补助效果是学者高度重视的焦点话题。本文以政府补助为切入点，从一级市场、二级市场分别考察定向增发新股的定价效率以及定向增发收益背后的经济逻辑，并采用随机前沿分析法对2007—2017年间获得政府补助且实施定向增发新股的沪深A 股上市公司进行实证分析。结果发现：定向增发新股发行存在溢价现象，新股上市后也存在溢价现象，政府补助加剧了溢价程度，进而导致定价效率降低，且在国有企业中更严重；发行定价泡沫越严重，定向增发收益越高，同时政府补助对定向增发收益能产生积极影响，且在国有企业中更显著。路径检验结果发现：政府补助作用于定向增发收益可能依赖盈余管理、自主创新以及个股成长这三条路径。上述结果表明，政府补助可能被异化为操纵股价的隐形工具，导致政府补助效果“事与愿违”。     

基于过度自信的企业发展低碳经济激励机制研究

在考虑企业过度自信的情况下,建立了企业发展低碳经济的激励机制模型并进行了系统研究。结果表明:政府的最优激励补贴与企业的风险规避度、外界不确定因素方差、努力成本系数负相关,与企业节能减排产出系数和过度自信水平正相关;当企业的过度自信水平满足一定约束条件时,政府的激励补贴强度以及期望环境收益都要大于企业完全理性时的情形;当企业的过度自信水平超过一定约束条件时,政府的最优激励补贴以及期望环境收益小于0;企业过度自信的容忍度与企业风险规避系数以及外界不确定因素正相关。     

中国居民医疗支出不公平性分析

基于2002年大样本家计调查资料,本文以家庭为单位分析了家庭收入与医疗支出的关系。就中国整体而言,收入相关的居民医疗支出集中指数为48%,而可支配收入的基尼系数是45%,这表明医疗支出具有累退倾向。对其进行分解分析,结果表明这种不公平性根源在于中国城市与农村居民医疗支出严重失衡,城市居民的平均医疗支出几乎是农村的6倍,换句话说,医疗支出方面的公共资金大都集中于发达的城市医疗部门。在中国农村内部和城市内部也存在医疗支出不公平性问题,这种层次的不公平性大多可以归结为中国的东部、中部和西部在平均医疗支出水平上的差异。因此,可以说居民医疗支出的不公平主要是由于地域上的差异造成的。众所周知,中国公共卫生投资缺乏公平性,如果中国政府有意改变这种情况,那么在区域之间重新分配国家补贴就势在必行。在公共卫生预算不变的情况下,应该采取措施引导医疗补贴流向农村地区,特别是西部地区,而流向中国城市地区,特别是东部城市地区的补贴应该减少。     

Competing for Foreign Direct Investment

The paper analyzes 'subsidy games' between countries in order to attract foreign direct investment (FDI) from a third country. The winner of this game results from the interaction of two factors, relative country size and employment gains from FDI: a large (or 'central') country is more likely to attract FDI, and so is a country with high unemployment. The subsidy equilibrium is compared with two alternative solutions: zero subsidies and first-best subsidies. It is shown that total welfare may be greater under subsidy competition than under zero subsidies: the gains from efficient location implied by subsidy competition may more than outweigh the losses from higher subsidies. Moreover, departing from subsidy competition to zero subsidies or to first-best subsidies (without side payments) implies a gain to one country and a loss to the other. This suggests that it may be difficult to reach a consensus to move away from the status quo of subsidy competition.