Empirical research on relation between corporate governance and voluntary disclosure quantity

The effectiveness of voluntary disclosure of listed company has become the focus of investors and regulators. Voluntary disclosure is affected by various factors,including internal factors and external environmental factors. Corporate governance is essential. This paper selected manufacturing sector in 2011 ~ 2012 Shanghai listed company as the sample,chooses indexes to measure voluntary disclosure,and finally establishes the model of corporate governance and the voluntary disclosure. Conclusions were got as follows: board and supervisor's size,executive holding and firm's size are positively related to voluntary disclosure.