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In the factor-proportions model, there are typically losers as well as winners from trade. In what sense can we even talk about gains from trade when some people lose? Given the fact that some people loose from trade, what should the government do? What are governments likely to do in practice? Do the gains from trade outweigh the losses? ◦ Sum up the gains of the winners and the losses of the losers and compare them. Problem with this procedure is that we are comparing welfare. Before trade, economy's production and consumption were at point 2 on its production possibilities frontier (PP). After trade, the economy can consume at any point on its budget constraint. The portion of the budget constraint in the colored region consists of feasible posttrade consumption of both goods higher than at the pretrade point 2. The consumption of the economy in the absence of trade would have to be a point on the production possibility frontier. It is possible for a trading economy to consume more of both goods than it would have in the absence of trade. Part of that budget constraint - the part in the colored region - represents situations in which the economy consumes more of both cloth and food than it could in the absence of trade. When production was at point 1, then trade has no effect on production. Finally, it is possible to ensure that everyone is better off as a result of trade. Of course, everyone might be still better off if they had less of one good and more of the other, but this only reinforces the conclusion that everyone can potentially gain from trade. The government must somehow weigh one person’s gain against another person’s loss. There are many reasons why one group might matter more than another, but one of the most compelling reasons is that some groups need special treatment because they are already relatively poor. Does this mean that trade should be allowed only if it doesn’t hurt lower-income people? 1. Income distribution effects are not specific to international trade 2. It is always better to allow trade and compensate those who are hurt by it than to prohibit the trade. 3.Those ho stand to lose from increased trade are typically better organized than those who stand to gain. You might expect that those who gain from trade would lobby as strongly as those who lose from it, but this is rarely the case. For example: Sugar in USA Typically, those who gain from trade in any particular product are a much less concentrated, informed and organized group than those who lose. Testing the Heckscher-Ohlin Model ◦ Tests on U.S. Data The United States was until a few year ago much wealthier than other countries and U.S. workers visibly worked with more capital per person than their counterparts in other countries. One would expect, that the United states would be an exporter of capital-intensive goods and an importer of labor-intensive goods. Wassily Leontief found in his study that U.S. exports were less capital-intensive than U.S. imports. This result is known as the Leontief paradox. Factor Content of U.S. Exports and Imports for 1962 Imports Exports Capital per million dollars 2,132,000 1,876,000 Labor (person-years) per million dollars 119 131 Capital-labor ratio (dollars per worker) 17,916 14,321 Average years of education per worker 9.9 10.1 Proportion of engineers and scientists in work force 0.0189 0.0255 As the first two lines in the table show, Leontief´s paradox was still present in 1962: U.S. exports were produced with a lower ratio of capital to labor than U.S. imports. The U.S. exported products that were more skilled laborintensive than its imports as measured by average years of education. We also tended to export products that were “technologyintensive”. The United states has a special advantage in producing new products or goods made with innovative technologies such as aircraft and sophisticated computer chips... The United States may be exporting goods that heavily use skilled labor and innovative entrepreneurship ◦ Tests on Global Data: Economists have also attempted to test the HeckscherOhlin model using data for a large number of countries. Trading goods is actually an indirect way of trading factors of production. Thus if we were to calculate the factors of production embodied in a country's exports and imports, we should find that a country is a net exporter of the factors of production with which it is relatively abundantly endowed, a net importer of those with it is relatively poorly endowed. Table shows one of the key tests of Bowen et al. For a sample of 27 countries and 12 factors of production, the authors calculated the ratio of each country’s endowment of each factor to the world supply. They then compared these ratios with each country’s share of world income. Predictive Success = Fraction of countries for which net exports of factor runs in predicted direction Implications of the Tests: ◦ The mixed results of tests of the factor-proportion theory place international economist in a difficult postion because both of models (Ricaridan model and Factor-proportion theory) give us successful results but in the different cases. THANK YOU FOR YOUR ATTENTION