Donald S. Kenkel and Joseph V. Terza, "The Effect of Physician Advice on Alcohol Consumption: Count Regression with an Endogenous Treatment Effect", Journal of Applied Econometrics, Vol. 16, No. 2, 2001, pp. 165-184. All data are in the file ktdata.dat, which is zipped in ktdata.zip. This file is an ASCII file in DOS format. There are 30 variables and 2467 observations. There are four rows for each observation. The definitions of the variables and their ordering within each observation is the same as that found in Table 1 of the paper. Joseph V. Terza Department of Economics Penn State University University Park, PA 16802 Ph: 814-863-3743 Fax: 814-863-4775 e-mail: jvt@psu.edu Web site: http://econ.la.psu.edu/~terza