Because economists understand earnings as actual material wealth increase, accounting experts think the output value of more than the difference between the input value is profits, there is a contradiction and two kinds of income concept. The specific performance is: In the 1920s and 1930s, the great depression forced western economic theorists to reflect on the definition of the market. The final answer is completely laissez faire is not enough, the invisible hand sometimes does not exist, market failure, government should be on economic activity on the "total" intervention, so "macroeconomics" was born. Roosevelt also accepted Keynes's proposal to impose a "New Deal" on government intervention in the economy. It has now formed the world's most consensus-building government: fiscal policy, monetary policy, and, of course, none of these "new" policies. The response to multifactor values is rigid. Rigid instinct (also called the unconditioned reflex) refers to several different tropism in a certain direction organically to form a complete reflex arc reaction mode, it is congenital formation of lower animals, to determine the external stimulation produced by the reaction of the relatively fixed form. Rigid instincts are organisms after a long period of natural selection, gradually formed the low passively adapt to the environment of a kind of way of life, it is born, determined by the genetic factors, to appear without the need for training the day after tomorrow. For example, mechanical stimulation of the coelenterates and arthropods; The newborn's grip reflex, sucking reflex and adult knee jerk reflex, scratching reflex, etc. Instinct is the development form of tropism, rigidity of compound stimuli from a specific things comprehensive response, it makes the organism and the external environment to produce a higher level of coherence, formation of more advanced orderly structure. Anyway, rigid instinct is lower biological things outside of the value of multiple factors is the primary way of ordering reaction, is on the tropism, extension, and the synthesis, make tropism has more purposeful, tropism is get distillation. Moment of torque The fund said last year that it would grow 1.1% in 2017 and then increase its forecast to 2%. People in the choice is to hold their currencies, or hold a certain foreign borrowing money, the first and want to hold what kind of currency brought him great benefits. And the yield of currencies first is measured by its financial market interest rates. Coloring pages can be downloaded and broadcast on the internet, free of cost, as often as you would like. They supply you with a brilliant solution in terms of having a few noisy and rowdy youngsters at your house, and also you have no activity to make sure they're from creating sheer chaos inside your home. Seriously, kids develop into angels whenever they get their hands on one of these simple coloring pages, for that they like everything to do with colors, keen and curious since they are especially if they are able to lay their face to face their favourite characters or scenes, for example fairies and care bear and so on. Thus, it could be our duty to provide them what exactly they demand - several fairy coloring pages, or care bear coloring pages, which they could sit and color at their leisure, and be pleased with after they're done.