donors for non profit organizations The API said gasoline stocks rose by 200.10 million barrels last week, an increase of 2231, 000 barrels. Refining inventories fell by 2.58 million barrels last week, or 13.27 million barrels. According to the length, there are mini passenger cars (no more than 3.5 meters), small passenger cars (3.5-7 meters), medium-sized buses (7-10 meters) and large passenger cars (more than 10 meters). This was in October, when the recession caused sterling to fall. But he feels that the pound now reflects post-recession levels, and there is no reason for prices to fall further. He also estimated that the UK recession might end and that sterling could rise. His data have also shown that the price drop has stopped, and he sees it as a signal that price increases will begin. So he decided to buy the pound. Most western interest-rate determinism focuses on the analysis of supply and demand comparisons, arguing that interest rates are a price. The difference lies in what supply and demand determines interest rates. For example, Marshall's real interest rate theory emphasizes the real factors of non-monetary factors - productivity and the role of economy in determining interest rate decisions. Productivity is expressed by marginal propensity to invest, and the marginal propensity to save is expressed. At present, about the nature of the enterprise. Western economists have different views. There is also some debate. Some western economists analyze the nature of the enterprise mainly from the perspective of transaction costs that coase emphasizes. Adam Smith began as a logical starting point for "the personal gratification of the activity of personal gratification," and the market was "laissez-faire". The activities of the government completely unable to intervene in the pursuit of personal wealth, also don't have to worry about the laissez-faire altogether will create chaos, "an invisible hand" will be taking the laissez-faire personal economic activities arranged in perfect order. In other words, Adam Smith's market concept focuses on limiting government interference in individual economic activities. The wealth of nations also spends a considerable amount of time attacking the mercantilist policies that interfere with individual economic activity and limit individual economic power (property rights). Later classical economists stuck to their laissez-faire views. Securities investment refers to investors (as a legal person or natural person) to buy shares, bonds, funds, securities, and securities derivatives, in order to get dividends, interest, and capital gains investment behavior and investment process, is an important form of indirect investment.