Koji Shintaku

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Constructing an intra-industry trade model with division of labor within firms, this paper shows that opening up to trade improves firm productivity. Firms choose the number of markets they export. Optimal entry conditions for export markets rule out loss from opening up to trade. Under fixed export costs, opening up to trade makes some firms exit and(More)
Supravital excitability to electrical stimuli (for convenience, supravital electrocontractility (S.Ec) of the gastrocnemius muscle of rats and bullfrogs was examined after "somatic death" and the time during which S.Ec could be detected (S.Ec duration) was measured. S.Ec of the gastrocnemius muscle of rats and bullfrogs depended on temperature. The maximum(More)