Trade, Urbanization and Capital Accumulation in a Labor Surplus Economy

Raymond Riezman, Ping Wang and Eric Bond

No 776, 2012 Meeting Papers from Society for Economic Dynamics

Abstract: Along the global trend of economic development, it is often observed rapid industrial transformation accompanied by contitual rural-urban migration. In many developing countries there are yet abundant supplies of "surplus labor." We construct a small open, dynamic framework to examine how the existence of this large supply of rural, unskilled labor affects trade, urbanization, capital accumulation, factor returns, sectoral and aggregate output and social welfare, as well as to explore why the processes of urbanization and economic development are rather divergent in different economies. We find that in a surplus-labor economy commonly adopted trade policies may reduce capital accumulation, urbanization and aggregate output. Under reasonable factor intensity assumptions, a reduction in migration barriers enhances capital accumulation, inducing urbanization and increasing aggregate output. Our numerical results indicate that import tariffs in the presence of capital barriers can generate strong intertemporal distortions which delay urbanization and economic development. Trade and capital barriers are crucial for the presence of abundant rural surplus labor, whereas different trade/investment environments and policies may lead to very divergent processes of urbanization and economic development. While a reasonable migration discounting can generate a large urban-rural wage gap, locational no-arbitrage can cause irresponsiveness of the real unskilled wage in urban areas to parameter and policy changes.

Date: 2012
New Economics Papers: this item is included in nep-dge
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