Supplements
  • Mergers with Differentiated Products: The Case of the Ready-to-Eat Cereal Industry, The RAND Journal of Economics, 31(3), 395-421, 2000. (supplement).
  • A Practitioner's Guide to Estimation of Random Coefficients Logit Models of Demand, Journal of Economics  & Management Strategy, 9(4), 513-548, 2000 (appendix, computer code).
  • Measuring Market Power in the Ready-to-Eat Cereal Industry, Econometrica, 69(2), 307-342, 2001. (supplement).
  • Recording Discrepancies in Nielsen Homescan Data: Are They Present and Do They Matter?, Quantitative Marketing and Economics, Volume 8, Issue 2 (2010), 207-239 (joint with Liran Einav, Ephraim Leibtag). Previously circulated as "Not-So-Classical Measurement Errors: A Validation Study of Homescan"
    Data supplement (that can be used to construct distributions of price measurement errors and use them to correct estimates from Homescan data)
    USDA-ERS report titled "On the Accuracy of Nielsen Homescan Data" (earlier version with more nitty gritty details)