About the Authors James N. Baron is the Walter Kenneth Kilpatrick Professor of Organizational Behavior and Human Resources at Stanford University's Graduate School of Business. He has received numerous professional awards and honors, including a fellowship at the Center for Advanced Study in the Behavioral Sciences and elected membership in the Sociological Research Association and Macro Organizational Behavior Society. He has served as an advisor on human resource issues to corporations, law firms, government agencies, and nonprofit organizations. David M. Kreps is the Paul E. Holden Professor of Economics at the Stanford Graduate School of Business, and is a Senior Professor by Special Appointment at the Eitan Berglas School of Economics, Tel Aviv University. He is a Fellow of the Econometric Society and the American Academy of Arts and Sciences, and is a member of the National Academy of Sciences. In 1989, he was awarded the John Bates Clark Medal from the American Economic Association.