In this paper, I discussed on the change of environment conservation, resource management, area promotion and their policies, and significance and problems in the case of Shimanto-river basin in Shikoku district. Shimanto-river became famous as 'the last clear river in Japan' by television...

This paper examines the effects of international trade and resource management in a two-country model where each country controls domestic harvest to prevent over-exploitation of an internationally shared renewable resource (e.g., fishery resources). We show that contrary to conventional wisdom,...