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- Jean Imbs
- Department of Economics, London Business School, Regent's Park, London NW1 4SA, United Kingdom, and CEPR.
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- Romain Wacziarg
- Graduate School of Business, Stanford University, 518 Memorial Way, Stanford, CA 94305, and NBER.
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説明
<jats:p> This paper studies the evolution of sectoral concentration in relation to the level of per capita income. We show that various measures of sectoral concentration follow a U-shaped pattern across a wide variety of data sources: countries first diversify, in the sense that economic activity is spread more equally across sectors, but there exists, relatively late in the development process, a point at which they start specializing again. We discuss this finding in light of existing theories of trade and growth, which generally predict a monotonic relationship between income and diversification. </jats:p>
収録刊行物
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- American Economic Review
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American Economic Review 93 (1), 63-86, 2003-02-01
American Economic Association