We outline six facts that should be explained by an international growth model: 1) Conditional convergence; 2) cross-country dispersion of growth rates; 3) cross-country dispersion of per capita income levels; 4) cross-country dispersion of savings rates; 5) within country correlation of savings and investment and 6) cross-country equality of real rates of interest. We argue that the neoclassical model performs poorly in several dimensions and we provide an alternative two-sector endogenous growth model based on the work of Lucas and Romer that can account for all of our stylized facts. Our model accounts for the observation that poor countries grow faster than rich ones (fact number 1) as a consequence of the transitional dynamics of the ratio of physical to human capital. We show that opening capital mobility across countries does not necessarily equate the physical to human capital ratios across countries despite the resultant equalization of factor prices.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
3250.
Find related papers by JEL classification: F43 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Economic Growth of Open Economies O16 - Economic Development, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment O41 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
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