how do you calculate profit percentage Compression ratio The market is the economic contact method which is the basic content of Commodity Exchange. Under the condition of commodity economy, the premise of exchange generation and existence is social division of labor and commodity production. Because of the social division of labor, the different producers, respectively, engaged in the production of different products, did not meet the needs of themselves and others and exchange their respective product, so that the general labor products into commodities, make the product production is transformed into commodity production. It is under this condition that the market for goods to be exchanged to meet the needs of different producers is born. Therefore, the market is the product of the division of labor and the exchange of goods under the conditions of commodity economy. The market and commodity economy have inalienable internal relation. The new classic "perfect" price mechanism UK faces longest fall in living standards since records began, says thinktank Keynes argued that savings and investment were two interdependent variables, not two independent variables. Are you thinking of starting your individual business, but concerned with the price? A smart move that will save entrepreneurs money with all the latest technology is working virtually-from the comfort of your own home. When you consider starting your personal home based business, first of all , visit the mind will probably be time savings and money while spending plenty of leisure time with the fam and also the flexibility of earning your own schedule.