Intervention models of Shares Market by Government
The healthy development of the stock market and capital market not only related to the steady growth of national economy, but also provide plenty of economics’ trend for the government and corporate as important reference for decision-making . However, the stock market have some inherent defects, that the laws of the market not always being worked. Government intervention will help solve these problems, to correct market failures in order to achieve the Pareto optimize the allocation of resources. We study on the crash of stock market in Unite States, HongKong, TaiWan, in order to found out the causes of crash, the Interventions been used. The use of the legal system of indirect intervention model to the American intervention, self-discipline-based intervention models to indirectly intervene in the Hong Kong-based, policy-based intervention models to directly intervene in the Taiwan stock market mainly to interfere with utility analysis in an attempt to summarize more effectively Intervention models .

