This paper demonstrates the existence of two different kinds of externalities induced by an auditor servicing multiple clients at the same time. First we show that the capital market price for a client can increase in the number of qualified reports that his auditor issues to his other clients,...

This paper studies how an accountant's method of aggregating information in a financial report is affected by differences in the reliability and relevance of components of the report. We study a firm that hires an accountant to produce a report that reveals information to investors regarding the...