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A new approach for analysing income convergence across countries

  • Mathematics


In this paper we develop a coherent framework that integrates both traditional measures of b-convergence and s-convergence within a study of cross-country income dynamics. To do this we exploit the close links that exist between studies of income convergence and studies analysing the progressivity of the tax system. Our framework offers a simple algebraic decomposition of s-convergence as the combined effect of b-convergence and leapfrogging among countries. We illustrate our approach using data for the period 1960-2000.

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