Measurement And Control Methods Of China's Stock Market Bubble Degree

With the development of the stock market, bubble as effect investment rational elements exists, in the establishment and development of China's stock market more than 30 years, the existence of the stock market bubble and the bubble size there is always controversy, in the stock market boom periods, the investors often ignore the existence of the bublles and make irrational investment behavior, and thus intensified the stock market fluctuated wildly. Therefore, we need a scientific method to judge the existence of the bublles and measure the stock market bubble size, which is the starting point of this paper.This paper reviews the theoretical development of the financial bubble and basic bublle facts, including the history of the bubble and its definition, the formation of the bublles and its effects. Then, this article system summarized the domestic and foreign correlation theories of present examination bubble existence and measure the bubble size, and gives the appraisal and the suggestion. Finally, in domestic and foreign stock bublle research foundation, unifies our country's actual situation, carries on the actual analysis to our country Stock market, judges China Stock market bubbles existence and measures its size, analyzes the Chinese Stock market bubbles formation reason and the operating path, and based on this, based on measurement of the bubble size, maintained the stock market steady movement to put forward the reasonable policy proposal.