Why aren't economists as important as garbagemen?

the long version

A collection of essays including: * Why aren’t economists as important as garbagemen? * The best as the enemy of the good * The making of an economist * Workmanship, incentives, and cynicism * The invisible hand of truth * The evolution of Keynesian economics : from Keynesian to New Classical to New Keynesian * Economic methodology, macroeconomics, and externalities * Galbraith and the theory of price control * Tearing down economists’ worlds * Form and content in appraising recent economic developments * In defense of mainstream economics.