Models and Variables

National

eastern region

central region

western region

SLM

SLM

SLM

SLM

β

−0.094

(0.243)

−0.091

(0.456)

0.095*

(0.039)

0.174*

(0.094)

γ/λ

0.4026***

(0.000)

0.2099**

(0.016)

0.3030***

(0.000)

0.4526***

(0.000)

LogPL

474.810

144.379

134.187

207.758

R²

0.177

0.372

0.251

0.546