International Trade and Income Distribution

Xiaokai Yang and Dingsheng Zhang

No 18A, CID Working Papers from Center for International Development at Harvard University

Abstract: This paper applies the inframarginal analysis, which is a combination of marginal and total cost-benefit analysis, to investigate the relationship between division of labor, the extent of the market, productivity, and inequality of income distribution. The model with transaction costs and exogenous and endogenous comparative advantages shows that as transaction conditions are improved, the general equilibrium discontinuously jumps from autarky to partial division of labor with a dual structure, then to the complete division of labor where dual structure disappears. In this process different groups of individuals with different transaction conditions get involved in a certain level of division of labor at different stages of development. As the leading group gets involved in a higher level of division of level, leaving others behind dual structure emerges and inequality increases. As latecomers catch up dual structure disappears and inequality declines. When the leader goes to an even higher level of specialization, dual structure occurs and inequality increases again. Inequality decreases again as the latecomers catch up. Hence, the equilibrium degree of inequality fluctuates in this development process. The relationship between inequality and productivity is neither monotonically positive nor monotonically negative. It might not be of inverted U-curve. The key driving force of economic development and trade is improvement in transaction conditions.

Keywords: Income distribution; division of labor; dual structure; economic development (search for similar items in EconPapers)
JEL-codes: D30 F10 O10 (search for similar items in EconPapers)
Date: 1999-06
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Working Paper: International Trade and Income Distribution (2000)
Working Paper: International Trade and Income Distribution (1999)
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Persistent link: https://EconPapers.repec.org/RePEc:cid:wpfacu:18a

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