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Author:Bajona, Claustre 

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Demographics in dynamic Heckscher-Ohlin models: overlapping generations versus infinitely lived consumers
This paper contrasts the properties of dynamic Heckscher-Ohlin models with overlapping generations with those of models with infinitely lived consumers. In both environments, if capital is mobile across countries, factor price equalization occurs after the initial period. In general, however, the properties of equilibria differ drastically across environments: With infinitely lived consumers, we find that factor prices equalize in any steady state or cycle and that, in general, there is positive trade in any steady state or cycle. With overlapping generations, in contrast, we construct examples with steady states and cycles in which factor prices are not equalized, and we find that any equilibrium that converges to a steady state or cycle with factor price equalization has no trade after a finite number of periods.
AUTHORS: Kehoe, Timothy J.; Bajona, Claustre
DATE: 2006

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Trade, growth, and convergence in a dynamic Heckscher-Ohlin model
In models in which convergence in income levels across closed countries is driven by faster accumulation of a productive factor in the poorer countries, opening these countries to trade can stop convergence and even cause divergence. We make this point using a dynamic Heckscher-Ohlin model ? a combination of a static two-good, two-factor Heckscher-Ohlin trade model and a two-sector growth model ? with infinitely lived consumers where international borrowing and lending are not permitted. We obtain two main results: First, countries that differ only in their initial endowments of capital per worker may converge or diverge in income levels over time, depending on the elasticity of substitution between traded goods. Divergence can occur for parameter values that would imply convergence in a world of closed economies and vice versa. Second, factor price equalization in a given period does not imply factor price equalization in future periods.
AUTHORS: Bajona, Claustre; Kehoe, Timothy J.
DATE: 2008

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