* Reference: Chapter 17 of * Jeffrey M. Wooldridge, Introductory Econometrics: A Modern Approach, * South-Western College Publishing, 2000. SAMPLE 1 753 READ (MROZ.shd) inlf hours kidslt6 kidsge6 age educ wage repwage & hushrs husage huseduc huswage faminc mtr motheduc & fatheduc unem city exper nwifeinc lwage expersq SET MISSVALU=-999 SET SKIPMISS SET NOWARNMISS * Example 17.1 * Probit estimation of the labour force participation equation. * The IMR= option saves the inverse Mill's ratio in the variable * specified. PROBIT inlf nwifeinc educ exper expersq age kidslt6 kidsge6 / IMR=LAMBDA * Example 17.5 - Table 17.5, p. 563. * Wage offer equation - OLS OLS lwage educ exper expersq * Wage offer equation - Heckit OLS lwage educ exper expersq LAMBDA STOP