“…The empirical literature generally examines indirect evidence including trade volumes, trade openness, input ratios, relative production wages and per capita incomes as summarized by Deardorff (), Leamer () and Baldwin (). There is evidence of the predicted wage convergence across trading partners in Tovias (), Gremmen (), Dollar and Wolff (), Mokhrari and Rassekh (), O'Rouke and Williamson () and Rassekh () as reviewed by Rassekh and Thompson (). Leamer and Levinshon () and Leamer () find evidence for rising wages in labor scarce developed countries.…”