Bias in Analysts' Earnings Forecasts as an Explanation for the Long-Run Underperformance of Stocks Following Equity Offerings

Abstract

For firms conducting initial or seasoned equity offerings, recent studies document that their stock returns are lower than those of non-issuers for about five years following the issue, and this underperformance is greater for small issuers. This study shows that analysts' earnings forecasts have greater optimistic bias for issuers than for non-issuers during the five year period. Moreover, the incremental optimistic bias is greater for small issuers. This result is consistent with the Loughran and Ritter (1995) conjecture that one of the reasons for the long-run underperformance of issuers' stocks is optimistic bias in the market's expectations of these firms' earnings.