R&D,free entry,and social inefficiency

We employ a three-stage game model with cost-reducing research and development (R&D) that is subject to spillovers to consider the problem of excess entry under free-entry equilibrium relative to the social optimum. Firms choose to enter or exit a market in the first stage, choose R&D in the second stage and output in the final stage. Results show that there is socially inefficient or excessive entry in equilibrium. However, we uniquely demonstrate that research spillovers hold the key to whether established results regarding socially inefficient entry hold. Specifically, excessive entry occurs as long as research spillovers are relatively small, but this is not necessarily the case with large spillovers. Some policy implications are discussed.     

Japanese distribution system: The impact of newly designed collaborations on wholesalers' performance

In January 1995, the Kobe earthquake devastated a major part of Kobe's distribution infrastructure. Apart from the expected complaints about lost sales, wholesalers reported some surprising comments after the reopening. Wholesalers stressed the advantages of newly designed distribution channels, especially the opportunity to end longstanding business relationships known as keiretsu. This study is concerned with the recent development of vertical collaboration in the Japanese distribution channel. Multiple regression analysis revealed that the supplier's service to wholesaler, the supplier's offerings to the wholesaler, and buyer's service to the wholesaler did contribute to the enhancement of the performance of the wholesaler. The three factors explained 16% of the wholesaler's performance. The regression analysis also showed that the wholesaler's intra-logistics activities contributed to the improvement of the performance of the wholesaler and explained 5% of its performance.     

R&D Strategy in International Mixed Duopoly with Research Spillovers

This paper examines the international mixed duopoly behaviour with research spillovers. Using a two‐stage game with Research and Development (R&D) and output, we investigate the effects of imperfectly appropriable R&D on optimal R&D strategies of a domestic public firm and a foreign private firm across different market interactions: (i) international R&D competition, (ii) only the foreign firm conducts R&D, (iii) only the domestic public firm conducts R&D, (iv) no firm conducts R&D, and (v) research joint venture. The results show that firms' research performances are determined by the degree of spillovers and the optimal R&D strategies involve R&D competition. Spillovers are shown to be socially beneficial and their absence can prove to be a strategic deterrent, with the public firm monopolising the market. Some of these findings contrast with the traditional models of oligopoly (with or without R&D) and mixed oligopoly (without R&D).     

Mobile Telephony,Financial Inclusion and Inclusive Growth

ABSTRACT

The paper employs the multipurpose nature of mobile telephony to investigate its welfare implications using a large sample of households in Ghana. We use seemingly unrelated probit and instrumental variable procedure to test for two related issues: First, we investigate whether mobile telephony promotes pro-poor development by helping households to efficiently allocate consumption and navigate out of poverty. Second, we analyze whether access to a broad array of financial services enhances the capacity of households to live worthwhile lives. The results show that mobile penetration and financial inclusion significantly reduce the probability of a household becoming poor and increase per capita household consumption of food and non-food items. Our results show that the welfare benefits of mobile telephony and financial inclusion are not more pronounced in female-headed households. These insights serve as useful guide for government and other stakeholders who are looking for avenues to improve livelihoods.     

Patent citations, technology diffusion, and international trade: evidence from Asian countries

In this paper, we examine international technology diffusion by using patent citations as a proxy for technology diffusion. We focus on some Asian economies, i.e., Korea, Taiwan, China and India, to investigate the relationship between technology diffusion and their trade experience with the U.S., Japan, and other G7 countries. Our empirical results reveal that trade specialization has a significant correlation with technology diffusion. Some policy implications are discussed.     

Cooperative and noncooperative R&D with spillovers: The case of labor-managed firms

This research focuses on the behavior of not-for-profit enterprises. In particular, using a familiar model of cost-reducing R&D with spillovers, we examine strategic interactions between labor-managed firms in a duopoly. Research spillovers have not been previously considered in the context of labor-managed firms. Among four market scenarios involving (i) competition in research and production; (ii) cooperation in research and production; (iii and iv) competition or cooperation in research and the reverse in production, our results show that research is greatest under full cooperation, while output is greatest under full competition. Output and R&D are the lowest in the case when firms compete in research, but form a production cartel. The degree of research spillovers has a crucial bearing upon these rankings. Some of these results differ from those for profit-maximizing firms. The effects of changes in research spillovers on employment (output) are shown to depend upon the nature of the underlying production technology. Policy implications are discussed.     

Optimal pollution control in a mixed oligopoly with research spillovers

We study optimal pollution abatement under a mixed oligopoly when firms engage in emissions‐reducing research and development (R&D) with imperfect appropriation. The regulator uses a tax to curb emissions. Results show that in a mixed oligopoly, the public firm has positive emissions reduction in equilibrium; however, emissions reductions of the private firm could be positive or zero. Under certain conditions, the optimal pollution tax is positive; otherwise, the tax reverts to a subsidy. Comparing mixed and private duopolies, privatisation leads to reductions in R&D and output, but to an increase in overall emissions, so privatisation tends to make the environment worse.