In the presence of product market imperfections and holdups, this paper identifies efficiency gains resulting from international trade and economic integration. In a closed economy, a bilateral monopoly is operating and inefficiencies arise in both the input and output markets. As the economy opens up to trade, procompetitive effects in the product market suppress the margin between prices and marginal costs increasing efficiency. If downstream firms become internationally mobile, productivity gains may arise from increasing returns to scale and intensified competition in the input market. The paper concludes with a discussion of the distribution of the welfare gains.

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July 1996     Paper Number CEPDP0301