We investigate whether non-GAAP reporting results in less conservative auditor materiality judgments, as measured by auditors' determination of quantitative materiality thresholds. Using a sample of audit reports for Premium Listed companies on the London Stock Exchange for the 2013-2014 fiscal...

In an effort to make audit reports more informative to investors, the U.K. recently passed a new audit reporting standard that requires auditors to disclose the risks of material misstatement (RMMs) that had the greatest effect on the financial statement audit. Using short-window market...