证券投资收益的价值相关性与盈余管理研究

随着证券市场的发展,证券投资收益成为上市公司一项重要的非经常性损益。本文检验了2007年新会计准则下上市公司证券投资收益的价值相关性与盈余管理现象,研究结果表明:(1)我国证券市场能够区分营业利润与证券投资收益,并根据它们的重要性而赋予不同的估值;(2)证券投资收益具有价值相关性,但不具有及时性;(3)上市公司通过出售时机的选择对已实现证券投资收益进行了盈余管理;(4)证券投资采用公允价值变动确认损益的方式既提高了会计信息的相关性,又避免了盈余管理,是一种更好的证券投资收益确认模式。基于上述研究结果,建议交易性金融资产和可供出售金融资产的公允价值变动均确认为损益,并对其进行及时、透明的表外信息披露。

The Research on Value Relevance and Earnings Management ofSecurities Gains and Losses

With the development of securities market,security gains and losses(SGL) become one of crucial extraordinary profit-loss items(EPLI) of listed companies.This paper tests the value relevance and the earnings management of SGL as the new accounting standards brought into effect in 2007.The findings indicate that 1) China's stock market can differentiate the operating profit and SGL,and give different value according to their importance;2) SGL is value relevant,but not timely;3) The listed companies conduct th...