This paper evaluates the role of sectoral heterogeneity in determining the gains from trade. We first show analytically that in the presence of sectoral Ricardian comparative advantage, a one-sector sufficient statistic formula that uses total trade volumes as a share of total absorption...

This paper evaluates the role of sectoral heterogeneity in determining the gains from trade. We first show analytically that in the presence of sectoral Ricardian comparative advantage, a one -sector sufficient statistic formula that uses total trade volumes as a share of total absorption...

We study the performance of the four Western Hemisphere trading blocs during the period 1978-2001. For the North American Free Trade Agreement (NAFTA), trade integration outweighed trade diversion; for MERCOSUR, increased integration and trade diversion went hand in hand; for the Central American...

Is the recent proliferation of Regional Trade Agreements (RTAs) in Asia a healthy development, or runs the risk of turning into an unmanageable "noodle bowl" in the future? The goal of this paper is to shed some light on this question. The results show that membership in the Asian RTAs...

This paper examines the empirical relationship between trade and total factor productivity (TFP) in South Africa. It uses (i) a time series approach where trade is defined in terms of aggregate outcomes, i.e., as the share of imports plus exports in GDP, and (ii) a cross sectional approach,...

This paper studies the behavior of China’s foreign trade in the 1980s. Chinese customs data are used to construct, for the first time, quarterly unit value and volume series that are then used to estimate foreign trade income and price elasticities. The estimated export supply price...

How do signatures required for exporting and business registration procedures affect the volume and composition of country's exports? To answer this question, I develop a model where a country can export two types of products: differentiated and homogeneous. I show that export signatures and...

This paper provides an overview of trade reform in the West African Economic and Monetary Union (WAEMU) since 1996 and a quantitative assessment of potential effects on trade patterns and tariff revenue of the current reform agenda. Despite evidence of significant trade complementarities within...