Trade policy, cumulative causation, and industrial development

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This paper considers the effects of trade policy in industries which are imperfectly competitive, and in which there is an input-output structure, creating vertical linkages between firms. Two models are presented, one based on Cournot oligopoly and the other on Dixit-Stiglitz product differentiation. In both models it may be the case that trade liberalisation triggers a dramatic expansion of output and possibly also a reduction in imports. This arises as import liberalisation lowers costs in downstream industries, expanding their output, and triggering a 'big push' of industrialisation.

Original languageEnglish
Pages (from-to)179-197
Number of pages19
JournalJournal of Development Economics
Issue number1
Publication statusPublished - Apr 1996
Externally publishedYes


  • Effective protection
  • Multiple equilibria
  • Trade policy

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