* Reference: Chapter 4 of * Jeffrey M. Wooldridge, Introductory Econometrics: A Modern Approach, * South-Western College Publishing, 2000. SAMPLE 1 408 READ (MEAP93.shd) lnchprg enroll staff expend salary benefits & droprate gradrate math10 sci11 totcomp ltotcomp lexpend lenroll & lstaff bensal lsalary * Example 4.2, pp. 121-123 OLS math10 totcomp staff enroll * Now use log transformed independent variables * The LINLOG option is used to obtain correct calculation of * elasticities reported on the final column of the OLS * estimation results. OLS math10 ltotcomp lstaff lenroll / LINLOG * Example 4.10, pp. 151-153 * Calculate summary statistics on the b/s = benefits to salary ratio STAT bensal * OLS regression (1) OLS lsalary bensal TEST bensal=-1 * OLS regression (2) OLS lsalary bensal lenroll lstaff TEST bensal=-1 * OLS regression (3) OLS lsalary bensal lenroll lstaff droprate gradrate TEST bensal=-1 * Question 4.6 - test for the joint significance of the * coefficients on droprate and gradrate. TEST TEST droprate=0 TEST gradrate=0 END STOP