This article formulates a reciprocal market model of international duopoly with network externalities to reconsider welfare effects of reductions in transport costs and tariffs. Depending on the magnitude of network externalities, we show two possibilities. One of them, which emerges under...

Recent empirics report that transport cost reductions significantly contribute to rapidly growing world trade. This article develops a reciprocal market model of intra-industry trade with transboundary pollution from consumption to consider how market integration in the form of transport cost...

This paper develops a model of an export oligopoly to examine the welfare effects of an export tax reduction and a production tax increase that makes the foreign country no-worse off. Whether or not entry into the oligopolistic industry is free, the proposed policy reform is shown to reduce...