oil glut The differences between the two countries are significant because the basic national conditions and economic system of the two countries are fundamentally different. Planned economy and planned economy into market economy, the stage because the traditional pattern of economic and financial structure, imperative the mandatory administrative regulations directly effective, fast, accurate, coupled with the central bank's marketization operation ability is limited, the lack of experience, the benchmark interest rate to today still become society's widespread interest rate decision criteria. The fed is highly marketable, with each "federal funds rate" adjusting to market results after open market operations. Compression ratio refers to the ratio between the total volume of the cylinder and the volume of the combustion chamber, which indicates the degree of gas compression in the cylinder when the piston moves from the lower stop to the upper stop. Compression ratio is an important parameter to measure the performance of automobile engine. 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. In addition, the final legislation could reduce federal mortgage interest deductions and eliminate deductions for state and local taxes. New York, New Jersey and California have families that are much more difficult than those in republican-leaning states. Propagating the value proposition of the public chain to new participants - redefining "profit" to cover economic and social value. In finance, investing means buying securities or other financial or paper assets. Valuation is a way to estimate the price of a potential investment. The types of investments include real estate, securities investment, gold, foreign currency, insurance or bonds or stamps. These investments may then provide future cash flows that may increase or decrease their value. The investment in the stock market is carried out by securities investors.