The General Validity of the Law of Comparative Advantage

@article{Deardorff1980TheGV,
  title={The General Validity of the Law of Comparative Advantage},
  author={Alan V. Deardorff},
  journal={Journal of Political Economy},
  year={1980},
  volume={88},
  pages={941 - 957}
}
It is well known that the law of comparative advantage breaks down when applied to individual commodities or pairs of commodities in a many-commodity world. This paper shows that the law is nonetheless valid if restated in terms of averages across all commodities. Specifically, a theorem and several corollaries are derived which establish correlations between vectors of trade and vectors containing relative-autarky-price measures of comparative advantage. These results are proven in a general… 
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References

SHOWING 1-10 OF 14 REFERENCES
The Gains from International Trade
[1] In a recent paper the thesis was advanced that while it is not possible to demonstrate rigorously that free trade is better (in some sense) for a country than all other kinds of trade, it
The Pure Theory of International Trade: A Survey
This chapter surveys that branch of international trade theory which, following Marshall, is generally described as “pure.” This epithet separates it from “monetary” theory. It is not to be taken to
An Antinomy in the Theory
  • Internat. Econ
  • 1979
...
1
2
...