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An Application of the Boostrap Method to the Simultaneous Equations Model of the Demand and Supply of Audit Services*

Contemporary Accounting Research 1998 15(1), 83-99
This paper extends the application of the bootstrap method in accounting research to a simultaneous equations model of the demand and supply of audit services with mixed qualitative and continuous dependent variables. A moderately sized sample of 118 quality control reviews (Copley, Doucet, and Gaver 1994) is used to demonstrate the bootstrap method and compare results to estimates of standard errors obtained from Amemiya's 1978 asymptotic generalized least squares (GLS) procedure. We find that the GLS t ‐statistics are inflated by as much as 55 percent and the corresponding p ‐values are likewise overstated when compared to the bootstrap results. The problem is more acute with the qualitative dependent variable for audit quality, which is often the key variable of interest.

Information Conveyed in Announcements of Analyst Coverage*

Contemporary Accounting Research 1998 15(2), 119-143
This paper examines the security market response to the announcement of sell‐side analysts' decisions to initiate coverage of a firm. We examine the market reaction to the initiation announcement and the accompanying investment recommendation, by disaggregating our sample based on existing analyst coverage at the announcement date. We find, on average, a significantly larger, positive stock price reaction to buy recommendations conveyed in announcements of coverage initiation for firms with a small existing analyst following compared to such announcements for firms receiving no prior analyst coverage. Tests show that the relation between the extent of preexisting analyst coverage and market response is nonlinear and concave down in shape. Specifically we find that lightly followed firms, on average, experience larger price reactions to announcements of coverage initiations than either previously uncovered firms or more heavily followed firms. We test for and find that this result holds over a range of definitions of light coverage and is not attributable to the presence of an underwriting relationship existing between the analyst's employer and the firm receiving coverage. We do find that initiations by analysts named to Institutional Investor magazine's “All‐American Research Team” produce a significantly larger market reaction than do initiations by non‐All‐American security analysts. In addition, similar to the market response associated with other types of information events, we observe that proxies for the richness of the initiated firms' preannouncement information environment are associated with event‐day average abnormal returns.