We examine the heterogeneity of experts in a credence goods setting. In our analytical model, clients are ex ante uncertain about how much effort experts need to provide to solve their problem, which is either simple or difficult. Experts have varying degrees of expertise. Less qualified experts...

In this paper we investigate why auditors fail to report material weaknesses in internal controls (ICMWs) in advance of misstated audited financial statements. To address this question, we analyze Public Company Accounting Oversight Board (PCAOB) proprietary data on audit clients' internal...