His research interests include corporate governance, the information content of financial statements and analyst reports, valuation effects of accounting regulation, goodwill and intangible asset impairment, and earnings management. His work has been featured in The Wall Street Journal and has appeared in leading journals including Review of Accounting Studies, Journal of Financial and Quantitative Analysis, Journal of Accounting and Economics, Journal of Accounting, Auditing and Finance, The Journal of Portfolio Management, The Journal of Investing, and European Accounting Review. His teaching interests include financial reporting and the analysis of financial information.