*
* Example 11.7 from page 379
*
open data earns.raw
calendar 1947
data(format=free,org=columns) 1947:1 1987:1 year wkearns wkhours outphr hrwage lhrwage loutphr time ghrwage goutphr ghrwge_1 goutph_1 goutph_2 lwkhours
*
linreg lhrwage
# constant loutphr time
*
* These compute the autocorrelations of the detrended data as cited in the
* example. (The autocorrelations are very slightly different because there are
* several different formulas for estimating them).
*
linreg lhrwage
# constant time
disp "First Order Autocorrelation of Detrended log(wage)" %rho
linreg loutphr
# constant time
disp "First Order Autocorrelation of Detrended log(output/hour)" %rho
*
set dwage = lhrwage-lhrwage{1}
set doutput = loutphr-loutphr{1}
linreg dwage
# constant doutput