An Empirical Analysis Of Influencing Factors Of Securities Market Carrying Capacity

China's securities market exists as a new and shunt market, whose naissance benefits from Open Policy, its distinction has been proved ever since the day it appeared. How could it keep sustained development? These questions have turned out to be more and more crucial.Securities market is outcome of economic development to certain stage, normal market operation and auto-adjust system ensure the adaptability of market carrying capacity and economic environment, which cannot make market carrying problem stand out in mature market. Hence foreign scholars have almost done no specific research on this field. In domestic area, it is a whole new research thought of simulative measurement on rational carrying capacity of securities market depending on ecological carrying capacity and models. There is no literal production on it.The text will adopt the method of qualitative analysis conjoined with quantitative analysis, and make use of modern statistics, econometrics, ecological carrying capacity models and relative theories and methods so as to go through sufficient discussion on the influencing factors of securities market carrying capacity. And on this basis I will make empirical analysis with authentic data in macroeconomy and securities market.The conclusion shows that: (1) Securities market carrying capacity is influnced by economic development, listed enterprise quality, macroeconomic policy, laws and regulations, the change of market environment and information technology, investor mood , accident and so on. The change of the securities trading stamp tax rate has remarkable influence on the stock market long-term fluctuation. It helps to guiding the rational investment, and stabilizing the stock market . Releasing the national debt is helpful to the healthy development of stock market. (2) Our country securities market withstanding pressure basically has not surpassed its bearing capacity. In 2007 Chinese securities market's loading presses was on the declining trend. Until raising the stamp duty, it slightly rised. So optimizing the stock market's monitoring and forewarning mechanism, doing our best to secure its development, and increasing its carrying capacity are the keys to keeping securites market sustainable development.