Market Inefficiency and Value Relevance of Accounting Information
Quarterly Journal of Securities Exchange

Quarterly Journal of Securities Exchange

Market Inefficiency and Value Relevance of Accounting Information

Document Type : Original Article

Authors
vahid ahmadian
hosein etemadi
mohamadali aghaei
nader mehregan
10.22034/jse.2017.11109
Abstract
Assumption governing the current literature of researches related to the information content of accounting variables is that market prices are good alternative for the stock value, the claim that according to a number of researchers may create wrong perceptions conclusion based on research related to value relevance. In fact, due to inefficiency in the market, it is possible that the impact of accounting information on stock price is not done immediately and without delay. In this case, measuring the relationship between the mentioned variables is not suitable, because market values have been adjusted yet due to the presentation of financial information and the association between information and market variables is considered irrelevant. In this study, the effect of market inefficiency on the estimation of coefficients in conventional models to assess the value relevance was evaluated analytically and empirically based on data from 100 companies in Tehran Stock Exchange during the years 2008 to 2015. It was found that market inefficiency has a negative impact on the value relevance of accounting information.
Keywords
Contemporary Relations
Market Inefficiency
Price Delay
Response Coefficient
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