TY - JOUR AU - Nevo,Aviv TI - A Research Assistant's Guide to Random Coefficients Discrete Choice Models of Demand JF - National Bureau of Economic Research Technical Working Paper Series VL - No. 221 PY - 1998 Y2 - February 1998 UR - http://www.nber.org/papers/t0221 L1 - http://www.nber.org/papers/t0221.pdf N1 - Author contact info: Aviv Nevo Department of Economics Northwestern University 2001 Sheridan Road Evanston, IL 60208-2600 Tel: 847/491-8212 Fax: 847/491-7001 E-Mail: nevo@northwestern.edu AB - The study of differentiated-products markets is a central part of empirical industrial organization. Questions regarding market power, mergers, innovation, and valuation of new brands are addressed using cutting-edge econometric methods and relying on economic theory. Unfortunately, difficulty of use and computational costs have limited the scope of application of recent developments in one of the main methods for estimating demand for differentiated products: random coefficients discrete choice models. As our understanding of these models of demand has increased, both the difficulty and costs have been greatly reduced. This paper carefully discusses the latest innovations in these methods with the hope of (1) increasing the understanding, and therefore the trust, among researchers who never used these methods, and (2) reducing the difficulty of use, and therefore aiding in realizing the full potential of these methods. ER -