G. MacDougall contrasted export ratios and labor productivity coefficients between the United States and the United Kingdom to evaluate the:
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Answer: A. Ricardian theory of comparative
Explanation
G. MacDougall analyzed labor productivity differences between the United States and the United Kingdom. He compared these productivity coefficients against bilateral export market ratios. His empirical work directly tested the foundational assumptions of the Ricardian trade model. The Ricardian theory attributes comparative advantage to international productivity differences. Empirical testing verifies whether theoretical trade models match real-world data. Bilateral trade data reveals how relative labor costs influence export performance.
Economists rely on empirical trade studies to validate classical economic theories. Understanding comparative advantage helps explain why nations specialize in specific exports. Historical economic research provides the foundation for modern international trade theory. Heckscher Ohlin theory focuses on factor endowments rather than labor productivity. Linder theory of overlapping demand explains trade via similar consumer preferences. None of these is incorrect because MacDougall specifically tested Ricardian theory.
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