profitability ratio interpretation The market can indeed be described as a laissez-faire pricing mechanism. However, this price mechanism does not operate in a vacuum, and does not work effectively in any social system. The basic premise of the efficient operation of the price mechanism is the implicit assumption of Smith: to recognize individual "lusts" and to clear and protect individual property rights. Clear and guaranteed personal property is the basic premise of market existence. It is necessary to recognize the personal "lusts" and to ensure that individual property rights are supported by the corresponding institutions, which are not in our society. However, if you are quite a novice in this undertaking, you may ponder if this type of task may be easily handled. Obviously, it might not work nicely to start with but trust me that it must be just a matter of patience and skills. As you go thorough it, selecting able to understand its basic concepts and finally realize that it is but a straightforward marketing task. You don?t ought to produce your personal services or products but you only have to advertise every product that is certainly belonging to other web marketers. By diligence and perseverance you'll be earning commissions for every products offered. Indeed, when you have a bit apprehension about online business, perhaps online marketing venture may be a good start to learn and familiarize the complexities of the Internet world. Based on the above two kinds of comparison and analysis of the concept of earnings, reveals the inadequacy of accounting earnings, i.e., the accounting income does not take into account inflation, the production gains, goodwill to improve the impact of changes and their value, and can be found on only the pursuit of reliability, and can be measured, which affect the enterprise's profit ability and continuous operation ability. Accounting, since the 1950 s began to pay attention to absorb the income concept of some reasonable kernel of economics, the concept of modern accounting theory of income in the income concept of economics. Historically, the concept of income has first appeared in economics. Adam Smith, in the wealth of nations, defined income as "the amount of consumption that is not eroded by capital", and saw it as an increase in wealth. Later, most economists inherited and developed this view. 1890, ai (Alfred Marshall Maarshell) in its "the principles of economics," the Adam Smith's "wealth increase" enterprise, introduced the concept of earnings, is proposed to distinguish the entity capital and value-added benefits of economic benefits. On the other hand, if investors think that inflation will worsen or worsen, interest rates may rise to curb inflation, and bond prices will fall. First half of the 1980 s, the United States there is a lot of huge budget deficit and trade deficit, the dollar remains strong, is the United States adopted a policy of high interest rates, which makes a lot of capital from Japan and Western Europe into the results of the United States. The trend of the dollar has been greatly influenced by interest rate factors. Interest rate decision theory The fund said last year that it would grow 1.1% in 2017 and then increase its forecast to 2%.