Table 2 Skill distribution of foreign trade, wage gap and labor force (2SLS estimation method).

From: Effects of global trade integration on skill polarization and wage disparity

Variable

(1)

Δ1t

(2)

Δ2t

(3)

M-skillt

(4)

Sd-skillt

(5)

sharept

(6)

sharest

(7)

sharett

Exportt

−0.0047***

(0.0014)

0.0067*

(0.0037)

     

Importt

−0.0078*

(0.0091)

0.0047

(0.0143)

     

Exportt−1

  

0.0088**

(0.0016)

0.0064***

(0.0012)

0.0096

(0.0230)

−0.0046

(0.0146)

0.0015**

(0.0007)

Importt−1

  

0.0076***

(0.0012)

0.0052

(0.0088)

0.0089*

(0.0054)

−0.0267***

(0.0079)

0.0012*

(0.0069)

Urban fixed effect

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Year fixed effect

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Observations

665

665

665

665

665

665

665

Adjusted R square

0.2713

0.4232

0.7435

0.6145

0.7546

0.5959

0.6993

First stage F test value

143.75

95.62

143.75

95.62

242.48

240.60

242.48

240.60

242.48

240.60

242.48

240.60

242.48

240.60

Estimated coefficient of exportshock to Export

0.0120***

(0.0013)

0.0120***

(0.0013)

0.0062***

(0.0010)

0.0062***

(0.0010)

0.0062***

(0.0010)

0.0062***

(0.0010)

0.0062***

(0.0010)

Estimated coefficient of Import by importshock

0.0147***

(0.0020)

0.0147***

(0.0020)

0.0092***

(0.0014)

0.0092***

(0.0014)

0.0092***

(0.0014)

0.0092***

(0.0014)

0.0092***

(0.0014)

  1. Values in brackets are standard errors, *, ** and *** indicate significance levels of 10%, 5% and 1% respectively.