Estimating Disaggregate Models Using Aggregate Data Through Augmentation of Individual Choice

Vol. XLIV (November 2007), 613–621 613 © 2007, American Marketing Association ISSN: 0022-2437 (print), 1547-7193 (electronic) *Yuxin Chen is Associate Professor of Marketing (e-mail: ychen@stern. nyu.edu), and Sha Yang is Assistant Professor of Marketing (e-mail: [email protected]), Leonard N. Stern School of Business, New York University. The authors thank the three anonymous JMR reviewers for their constructive comments and suggestions. They also thank Greg Allenby, Eric Bradlow, Pradeep Chintagunta, Andres Musalem, Peter Rossi, K. Sudhir, and seminar participants at Buck Weaver Award Conference at the Massachusetts Institute of Technology, University of Chicago, University of Texas at Austin, University of Michigan, Ohio State University, and the Marketing Science Conference 2004 at Rotterdam for their helpful comments. The authors appear in alphabetical order and contributed equally. Gary J. Russell served as guest editor for this article.