One of the most striking trends, since at least the 1960's, has been for employment in services to grow far more rapidly than employment in manufacturing. It is this trend that has led to the view that developed economies have become de-industrialized and that they are now effectively service economies.

The primary driver of final consumer demand is, of course, the level of disposable income.

It is indeed paradoxical that an industry which epitomizes all that is new and up-to-date at the same time harbours some of the oldest and least desirable attributes of work in manufacturing industry.

Without the parallel development of systems of monetary - and credit-based exchange - there could have been no development of economies beyond the most primitive organizational forms and the most geographically restricted sales.

It remains to be seen, for example whether China can continue to develop as a market economy while still retaining an authoritarian communist political system.

Geographically, the global economy is now multi-polar , as new centres of production have emerged in parts of what had been, historically, the periphery of the world economy. The world is now more accurately described as a 'mosaic of unevenness in a continual state of flux'.

One of the most striking developments has been the rise, fall and rise again of the semiconductor industry of the United States, which is, once again, the dominant player in the most advanced semiconductor product-markets.