Explores trends in strikes and lockouts from the 1960s to 2002. Highlights problems of cross-country comparability and gaps in coverage and makes recommendations for improving the collection of strike activity data.

Following Smith¡¯s advocacy of free trade and competition, David Ricardo attempts to strengthen his theory of absolute advantage, which excludes from international trade countries which have no advantages over others, by eliminating this weakness. To do so, Ricardo introduces to the economics...