OLS analysis results

Variables

Coefficient (β)

Error

[95% conf. interval]

Year of schooling

0.087

0.0034419

0.0807/0.0942

Working-age

0.168

0.0048155

0.1588/0.1777

Squared working-age

−0.002

0.0000597

−0.00193/−0.00170