Abstract
AbstractWe develop a Ricardian model of trade with nonhomothetic preferences to analyze preferential trade agreements (PTAs) among countries of different stages of economic development. The richer a country is, the more likely will PTAs improve its terms of trade, also when it is a non‐member. Rich non‐member countries are also less likely to incur welfare losses from PTAs. PTA membership only guarantees welfare gains for countries that are too poor to import the goods rich countries produce. For all other countries, the welfare effects of joining PTAs depend on the world income distribution and on the strength of comparative advantages.
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