Many critics see international trade as a form of cultural imperialism that must be strictly controlled.

The world economy diffuses rather than concentrates wealth.

Among the many factors that make a return to halcyon days of the first decades of the postwar era virtually impossible is the decline of clearly defined political leadership.

In many societies the domestic social costs of adjustment to changing patterns of comparative advantage are believed to outweigh the advantages of further trade liberalization.

The core of the Marxist critique of capitalism is that although the individual capitalist is rational (as liberals assume), the capitalist system itself is irrational.

Specialization makes the welfare of the society vulnerable to the market and to political forces beyond national control.

In the abstract world of American economists, equations run both ways; they believe that by changing the sign of a variable from plus to minus or from minus to plus or the price and quantity of x or y, the direction of historical movement can be reversed.