John R. M. Hand is Professor and Chairman of the Accounting Faculty at the Kenan-Flagler Business School at UNC Chapel Hill. His research centres on the business economics, financial statement analysis, and equity valuation of companies, particularly those in the high-technology sector. He has published in numerous accounting and finance journals, and is a two-time winner of the American Accounting Association's competitive manuscript competition.Baruch Lev is the Philip Bardes Professor of Accounting and Finance with the Stern School of Business at New York University; Director of the Vincent C. Ross Center for Research; and a consultant to numerous corporations and investors. He is the award-winning author of several books and various research studies published in leading accounting, finance, and economic journals.