This paper examines how factor proportions determine product varieties, or the extensive margin, in exports of countries. A model of the economy with two countries, two factors, and a multitude of industries with productivity-heterogeneous firms explains the relative number of export varieties...

This paper proposes an alternative test of the monopolistic competition model of international trade that has an implication for the relationship between the volume of trade and similarity among trading countries in the size of the economy. In the existing literature the model’s implication...

Using the “trilemma indexes” developed by Aizenman et al. (2008) that measure the extent of achievement in each of the three policy goals in the trilemma – monetary independence, exchange rate stability, and financial openness – in this paper we examine how policy configurations affect...

In building a governance regime to address climate change, should we prioritize the development of global institutions or national ones? This paper adds insight to the issue of how much international coordination on climate governance is optimal by focusing on two neglected characteristics of...