Empirical Tests of Alternative Models of International Growth

Recent changes in patterns of international trade and growth have rekindled interest in the relationships among trade, growth, and the international distribution of income. Three alternative models can serve as a theoretical foundation for an empirical analysis of these relationships. The first is the standard Heckscher-Ohlin-Samuelson (Ho) trade model with equalnumbers of factors and goods and incomplete specialization. The second model allows complete specialization and more goods than factors. The third model posits short run capital immobility. Each of these models has quite different implications for the determination of wage levels and growth rates.The conclusions that we draw from this research are rather mixed. Each of the models perform well on certain criteria and poorly on others. While the standard HO model clearly fails to satisfy certain cross-equation constraints, national endowments are remarkably good predictors of the locus of international production. There are, however, significant nonlinearities in the relationship between factor allocations and national endowments. Such nonlinearities are predicted by the uneven version of the HO model. At odds with both of these models is our finding that lagged values of inputs providean important explanation of current factor demands. Such correlations are suggested by the adjustment cost model.

The International Economics of Transitional Growth: The Case of the United States

This paper develops a general equilibrium two country, two commodity dynamic simulation model of international trade in commodities and financial claims. The model generalizes the Heckscher-Ohlin static theory of trade by incorporating costs of quickly adjusting levels of capital stocks in particular industries; i.e., capital mobility in the short run is permitted, but at a price. The model predicts Heckscher-Ohlin relationships, including factor price equalization, in the long-run, but not during the economy's transition path to its ultimate steady-state. An interesting feature of the model is that it provides a determinate solution to the long-run inter- national allocation of the world's capital stock. This is true despite the fact that the Rybchinski-theorem holds in the long-run. The simulation model of international trade with costly capital stock adjustment appears capable of explaining many features of the patterns of factor price equalization, international investment, and changes in comparative advantage that have characterized the post-war period.