Globalization and the Ladder of Development: Pushed to the Top or Held at the Bottom?

Abstract

We study the relationship between international trade and development in a model where countries differ in their capability, goods differ in their complexity, and capability growth is a function of a country's pattern of specialization.Theoretically, we show that it is possible for international trade to increase capability growth in all countries and, in turn, to push all countries up the development ladder.This occurs because: (i) the average complexity of a country's industry mix raises its capability growth, and (ii) foreign competition is tougher in less complex sectors for all countries.Empirically, we provide causal evidence consistent with (i) using the entry of countries into the World Trade Organization as an instrumental variable for other countries' patterns of specialization.The opposite of (ii), however, appears to hold in the data.Through the lens of our model, these two empirical observations imply dynamic welfare losses from trade that are small for the median country, but pervasive and large among a number of African countries.

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