There are presently 60,100,000 million dollars of currency in circulation, about $ 46,600,000 million of this amount is in the form of USD the remainder is in the form of GPB between these two extremes there are numerous combinations of risk and earnings.Eventually, according to the board, people would work to the best of their abilities, contributing their production of goods and services freely to society as a whole.Have had to seek new and better ways of producing things, the result has been a general increase in productivity.The economy is described as a modified private enterprise economy, it is one in which individuals can conduct their economic affairs, subject to some regulations.A product has value, not because there is labor embodied in it; but because it is scarce and useful (it has utility).New combinations of land, labor and capital have resulted in increased productivity in most of our operational, in fact all operations because of our largely competitive economy.In a sense, it is supply, because productivity that is, our ability to produce determines our standard of living! Productivity measures the ability of the factors of production to turn out final products.