Economic Growth

ECONOMIC GROWTH AND ECONOMIC DEVELOPMENT
The terms economic growth and economic development are sometimes used interchangeably, but there is a fundamental distinction between them. We shall examine them one after the other.
ECONOMIC GROWTH
Economic growth is the increase in value of the goods and services produced by an economy. It is conventionally measured as the percent rate of increase in real gross national product, or GNP. Growth is usually calculated in real terms, i.e. inflation-adjusted terms, in order to net out the effect of inflation on the price of the goods and services produced. In economics, "economic growth" or "economic growth theory" typically refers to growth of potential output, i.e., production at "full employment," which is caused by growth in aggregate demand or observed output.
As economic growth is measured as the annual percent change of National Income it has all the advantages and drawbacks of that level variable. But people tend to attach a particular value to the annual percentage change, perhaps since it tells them what happens to their wage cheque.
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[pic]Origins of the concept of economic growth

In the early modern period, some people in Western European nations began conceiving of the idea that economies could "grow", that is, produce a greater economic surplus which could be expended on something other than religious or governmental projects (such as war). The previous view was that only increasing either population or tax rates could generate more surplus money for the Crown or country.
Now it is generally recognized that economic growth also corresponds to a process of continual rapid replacement and reorganization of human activities facilitated by investment motivated to maximize returns. This exponential evolution of our self-organized life-support and cultural systems is remarkably creative and flexible, but highly unpredictable in many ways. Since science still has no good way of modeling complex...