| Based on the background of China's market characteristics, as a voluntary change in accounting policy research core, game analysis that by the side of the contract is still in the initial stage game. From the "Nash equilibrium" still has a long way to go. Voluntary changes in accounting policies for the management of enterprises operating provided an opportunity. Under contract theory, the empirical method on enterprises's Accounting Voluntary Changed Policy explore the causes. This paper collected for the period 2001-2005 to increase profit voluntary changes in accounting policy 179 listed companies'data, from Zmijewski and Hagerman's (1981) research model and the uniqueness of China's political and economic environment, this paper use regression analysis model on listed companies'for multiple linear test. The results showed that various incentives of Accounting Voluntary Changed Policy with modeling requirements. According to the empirical data, binary logistic regression weighted linear model constructed by author can more accurately describe the various factors'linear weighting. The model results showed: voluntary change in accounting policy for the lease of the voluntary action by the impact of accounting policy changes and lease theory meet, but the correlation is different. Finally, we propose a specific policy proposals. |