Table 4 Regression of wages with interaction between migration and migrants’ age

Do not have registration book

0.2337***

0.5313**

[0.0834]

[0.2447]

Do not have registration book age*

−0.0073***

−0.0261*

[0.0026]

[0.0144]

Do not have registration book age squared*

0.0003

[0.0002]

Migration since 2008

0.1840**

0.5123**

[0.0813]

[0.2353]

Migration since 2008 age*

−0.0075***

−0.0304**

[0.0026]

[0.0151]

Migration since 2008 age squared*

0.0003

[0.0002]

Age

0.0740***

0.0780***

0.0697***

0.0711***

[0.0093]

[0.0110]

[0.0093]

[0.0097]

Age squared

−0.0009***

−0.0010***

−0.0009***

−0.0009***

[0.0001]

[0.0001]

[0.0001]

[0.0001]

Sex (male = 1; female = 0)

0.2122***

0.2136***

0.2141***

0.2149***

[0.0232]

[0.0231]

[0.0232]

[0.0232]

Never married (yes = 1)

−0.1106***

−0.1124***

−0.1092***

−0.1096***

[0.0283]

[0.0282]

[0.0282]

[0.0282]

Urban (urban = 1; rural = 0)

0.0843***

0.0823***

0.0913***

0.0903***

[0.0230]

[0.0232]

[0.0222]

[0.0223]

Hanoi (yes = 1)

−0.1099***

−0.1123***

−0.1070***

−0.1079***

[0.0236]

[0.0238]

[0.0237]

[0.0237]

No degree

Reference

Primary

0.0649

0.0649

0.0723

0.0712

[0.0591]

[0.0591]

[0.0596]

[0.0596]

Lower secondary

0.1453***

0.1477***

0.1534***

0.1523***

[0.0553]

[0.0551]

[0.0560]

[0.0561]

Upper secondary

0.3148***

0.3187***

0.3163***

0.3167***

[0.0563]

[0.0561]

[0.0572]

[0.0573]

Post secondary

0.8794***

0.8830***

0.8809***

0.8809***

[0.0606]

[0.0603]

[0.0615]

[0.0616]

Constant

6.0866***

6.0154***

6.1770***

6.1554***

[0.1727]

[0.1985]

[0.1693]

[0.1755]

Observations

3778

3778

3778

3778

R-squared

0.40

0.40

0.40

0.40