* PS9.7, using DATA4-2, for Example 9.8 on CORC HILU differences
read (data4-2) YEAR Ct Yt WAGES PRDEFL
genr Wt=WAGES*100/PRDEFL
* The above is real wages, Pt is real profit income
genr Pt=Yt-Wt
ols Ct Wt Pt
auto Ct Wt Pt / max drop
* note that the mixed hilu-corc procedure yields global minimum
auto Ct Wt Pt / max drop gs
auto Ct Wt Pt / max drop rho=0.99033
stop