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Differential Population Dynamics and Trade between Large and Small Countries


  • Serdar Sayan

    () (Economics Bilkent University)


This paper investigates the implications of the addition of differential population dynamics to a simple 2x2x2 model of international trade within an overlapping-generations (OLG) framework, by assuming that one of the trading partners has the power to set the terms of trade (i.e., is large) at the beginning. The two countries considered are assumed to be identical in every respect except for demographic characteristics. The effects of these demographic differences are explored by comparing autarky and trade and unequal population dynamics are shown to affect the relative abundance of the factors of production in each region, leading to differences in wage rates and rentals for capital under autarky conditions. The resulting differences in autarky relative prices create the grounds for trade in the same sense as the static Heckscher-Ohlin model. Our results reveal that unlike previously reported results from OLG studies on dynamic trade equilibrium, steady state welfare losses to the region with low population growth can be avoided in the set-up we consider.

Suggested Citation

  • Serdar Sayan, 2006. "Differential Population Dynamics and Trade between Large and Small Countries," Computing in Economics and Finance 2006 408, Society for Computational Economics.
  • Handle: RePEc:sce:scecfa:408

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    More about this item


    Unequal population dynamics; Heckscher-Ohlin model; international trade; overlapping-generations;

    JEL classification:

    • F11 - International Economics - - Trade - - - Neoclassical Models of Trade
    • F43 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Economic Growth of Open Economies
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models


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