Curt Wells, "Retesting Fair's 1978 model on infidelity", Journal of Applied Econometrics, Vol. 18, No. 2, 2003, pp. 237-239. The data used are the data from Fair's original 1978 paper (Fair, R., "A theory of extramarital affairs", Journal of Political Economy, 1978, vol 86, no. 1, pp 45 - 61). The data have been provided by Prof Ray Fair. The data are in a zipped file wells-data.zip. This file contains the data in fair.data, which is an ASCII file in DOS format, and a more printable description of the data in the PDF file fairdata.pdf. The data consist of 601 observations on 15 variables in the order listed below. The data, by columns, are id: The identifier d1: Not used 1: constant z1: Sex 0 = female 1 = male z2: Age 17.5 = under 20 22.0 = 20 - 24 27.0 = 25 - 29 32.0 = 30 - 34 37.0 = 35 - 39 42.0 = 40 - 44 47.0 = 45 - 49 52.0 = 50 - 54 57.0 = 55 or over z3: Years married 0.125 = 3 months or less 0.417 = 4 - 6 months 0.750 = 6 months - 1 year 1.500 = 1 - 2 years 4.000 = 3 - 5 years 7.000 = 6 - 8 years 10.00 = 9 - 11 years 15.00 = 12 years or more z4: Children 0 = none 1 = one or more z5: How religous 1 = antireligious 2 = not at all 3 = slightly 4 = somewhat 5 = very z6: Level of education 9.0 = grade school 12.0 = high school graduate 14.0 = some college 16.0 = college graduate 17.0 = some graduate work 18.0 = Master's degree 20.0 = PhD., M.D. or other advanced degree d2: not used z7: Occupation 1-7 (Hollingshead classification, reverse numbering) z8: Marriage rating 1 = very unhappy 2 = somewhat unhappy 3 = average 4 = happier than average 5 = very happy yPT: How often engaged in extramarital sexual intercourse during the past year 0 = none 1 = once 2 = twice 3 = three times 7 = 4 - 10 times 12 = monthly or more frequent d3: not used d4: not used I note that a brief description of the Hollingshead classification may be found at the following URL: http://www.medal.org/docs_ch34/doc_ch34.14.html#A34.14.4 Curt Wells Lund, June 2002