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Trade Models, Trade Elasticities, and the Gains from Trade
We argue that the welfare gains from trade in models with micro-level margins exceed those in frameworks without these margins. Theoretically, we show that for fixed trade elasticity, different models predict identical trade flows, but different patterns of microlevel price variation. Thus, given data on trade flows and micro-level prices, different models have different implied trade elasticities and welfare gains. Empirically, models with extensive or variable mark-up margins yield significantly larger welfare gains. Our trade elasticity estimates are robust over time in contrast to leading ...
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One reason countries pay their debts: renegotiation and international trade
This paper estimates the effect of sovereign debt renegotiation on international trade. Sovereign default may be associated with a subsequent decline in international trade either because creditors want to deter default by debtors, or because trade finance dries up after default. To estimate the effect, I use an empirical gravity model of bilateral trade and a large panel data set covering fifty years and more than 200 trading partners. The model controls for a host of factors that influence bilateral trade flows, including the incidence of International Monetary Fund programs. Using the ...