The factor-industry detachment corollary of the Stolper-Samuelson theorem predicts that the economic interests of trade policy are independent of industry and depend only on the type of factor ownership. This paper examines whether congressional voting patterns on trade policy are determined by...

If factors of production are mobile between industries, the Stolper-Samuelson Theorem predicts that cleavages over trade policy will form along factor lines. Conversely, if factors are immobile, cleavages will form along industry lines. These two hypotheses are empirically examined using...