2000

2004

2006

2009

2011

2015

General (With Time Effect Eliminated)

Variable

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Costal Province

0.339

***

0.169

***

0.254

***

0.111

***

0.146

***

0.054

*

0.171

***

Access to Higher Education

0.596

***

0.76

***

0.678

***

0.648

***

0.599

***

0.425

***

0.616

***

Experience (in Years)

0.061

***

0.045

***

0.039

***

0.054

***

0.034

***

0.026

***

0.044

***

Experience, Square

−0.001

***

−0.001

***

−0.001

***

−0.001

***

−0.001

***

−0.001

***

−0.001

***

Being a Female

−0.194

***

−0.31

***

−0.388

***

−0.266

***

−0.268

***

−0.213

***

−0.275

***

Health: Excellent or Good

0.327

***

0.119

0.271

***

0.559

***

0.337

***

Health: Fair

0.169

−0.022

0.189

***

0.409

***

0.205

***

Health: Missing

0.381

***

0.29

−0.095

0.096

0.193

**

Urban

0.307

***

0.31

***

0.389

***

0.227

***

0.22

***

0.225

***

0.278

***

Working at a labor intensive Industry

−0.481

***

−0.492

***

−0.235

***

−0.191

***

−0.105

***

−0.036

−0.238

***

Working at a brain intensive industry

0.060

0.067

0.166

***

0.176

***

0.175

***

0.153

***

0.141

***

Unknown Occupation

−0.605

***

−0.674

***

−0.775

***

−0.605

***

−0.555

***

−0.853

***

−0.676

***

Constant

7.821

***

8.492

***

8.474

***

8.93

***

9.362

***

9.314

***

7.948

***