A mere recital of the economic policies of governments all over the world is calculated to cause any serious student of economics to throw up his hands in despair. What possible point can there be, he is likely to ask, in discussing refinements and advances in economic theory, when popular thought and the actual policies of governments, certainly in everything connected with international relations, have not yet caught up with Adam Smith? For present-day tariff and trade policies are not only as bad as those in the seventeenth and eighteenth centuries, but incomparably worse. The real reasons for those tariffs and other trade b