Theoretical and empirical research on environmental R&D and competition policy for environmental friendly society

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This research examined environmental R&D under some environmental regulatory instruments. This study revealed the following; (1) Under time-consistent emission tax, RJV cartelization generates the highest profits. On other hand, RJV cartelization is socially desirable when the number of firm is small, or the efficiency of environmental R&D cost is high. Furthermore, the first-best environmental R&D efforts can be achieved in case of cooperative environmental R&D. (2)Under up-stream emission trading in oil-poor country, a strict initial allocation policy of emission permits has no energy-saving effects in both competitive and monopolistic market.