* References: Chapters 3 and 4 of
* Jeffrey M. Wooldridge, Introductory Econometrics: A Modern Approach,
* South-Western College Publishing, 2000.
SAMPLE 1 1534
READ (401K.shd) prate mrate totpart totelg age totemp sole ltotemp

* Example 3.3, p. 78.
* Find summary statistics and correlations for the variables.
* The PCOR option on the STAT command lists correlations on the
* SHAZAM output.
STAT prate mrate age / PCOR
* OLS regression.
OLS prate mrate age
* Now consider a simple regression.
OLS prate mrate  

* Example 4.6, pp. 131-132.
OLS prate mrate age totemp
* Find the effect on the participation rate for 10,000 additional 
* employees.
TEST 10000*totemp
STOP