But Adam Smith was a philosopher as well as well as an economist, famous in his time as much for his Theory of Moral Sentiments as for The Wealth of Nations. And as he understood so well, society is more than the sum of its individual parts.

Many Europeans, while admiring the strength and power of the American economy, undoubtedly feel that the system of social values which prevails in the United States, manifested in the acute problems evident in the inner cities and the level of violent crime, for example, leaves much to be desired.

Baseball players or cricketers do not need to be able to solve explicitly the non-linear differential equations which govern the flight of the ball. They just catch it.

Books proliferate, and occasionally sell in very large numbers, which claim to have found the rule, or small set of rules, which will guarantee business success. But business is far too complicated, far too difficult an activity to distil into a few simple commands ... It is failure rather than success which is the distinguishing feature of corporate life.

The linear, mechanistic view of the world which pervades orthodox economics is simply not capable of capturing the richness and complexity of the rhythms and fluctuations of developed economies.

Even in financial markets, the concept of market efficiency does not hold.

Keynes tried to show that market economies could settle in equilibrium states in which the labour market did not clear, and in which the level of unemployment was high. He believed that this was due to a particular example of market failure, developed in his concept of effective demand.