Journal Paper

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Journal: MANAGEMENT ACCOUNTING | Year:1391 | Volume:5 | Issue:13 | Start Page:31 | End Page:45

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Title

THE EVALUATION OVERREACTION OF INVESTORS TOWARD GOING CONCERN (GC) & GOING CONCERN WITHDRAWAL (GCW) AUDIT REPORTS

Writers

ROSTAMI M.R. | HAKAMIFAR N.

Pages

 Start Page 31 | End Page 45

Abstract

 It has been assumed that investors react to new information in the efficient market. This reaction has been demonstrated in two terms of over reacting & under reacting. The evidence shows that investors overreact or under react to new information. Investors decision making could be affected by behavioral or psychological factors, they tend to overvalue or undervalue new information. The objective of this study is "investigating market over & under reaction toward going concern (GC) audit reports on Tehran Stock Exchange (TSE)". Study population of this paper includes all companies which are accepted by TSE. The required information has been collected from daily, weekly & monthly reports of TSE. Analyses are performed through Levene's test in order to test the equality of variances, and then we performed Tstudent test and Prop-test to achieve proper conclusions. In order to predict significance of differences between the pure revenues, we fitted the logistic regression model on the difference of the mean revenues and the type of companies.Consequently, with respect to the good behavior of confidence interval's to specify significant differences, we proposed the best model in this situation using quality control tool' s, X-bar charts to determine whether the hypothesis is correct or we should reject the previous result. Statistical tests demonstrate the existence of OVERREACTION of mart with respect to presence or absence of activity condition.

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