oil based Famous British economist hicks and others argue that the above theory did not consider the factor of income, and therefore unable to determine the level of interest rates, in 1937, and puts forward the is-lm model on the basis of general equilibrium theory. It establishes a theory of interest rates and income at the same time that the four factors of savings and investment, money supply and monetary demand interact. With the development of productivity and social progress, the enterprise form has been continuously developed and improved. The evolution of an enterprise mainly goes through three stages "British shoppers more savvy than ever before, and ready to search the best deals on the net, the gimmicks and discount stores provide more and more sensible, many people now realize that may not be as they first appear. Announced on the UK economy in the international monetary fund annual health check results, published in the Treasury's speech, ms lagarde hit back at the recession after the referendum criticism at the upcoming future fund. 3. Remove the gasoline pump in the car Of course, in addition to the interest rate cut, yu 'ebao has also lowered the limit of personal accounts, from 1 million yuan to 250,000 yuan, to 100 thousand yuan. In recent days, it has been announced that yu 'ebao's one-day purchase quota will be adjusted to 20,000 yuan, all of which are aimed at reducing risks.