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Table 8 Sensitivity analysis, definitions of immigration

From: International knowledge flows and technological advance: the role of migration

Immigration Variable

Coefficient on Immigration (Standard Error)

z-statistic

Obs

Sign

Significant

Employment-Based Immigration

0.0311889 (0.00519)

6.01***

64000

+

Yes

ln (Employment-Based Immigration)

0.6160226 (0.0572536)

10.76***

64000

+

Yes

Total Immigration

0.0127475 (0.0027941)

4.56***

72900

+

Yes

ln (Total Immigration)

0.566939 (0.0622402)

9.11***

72900

+

Yes

Stock of Immigrants

0.0011552 (0.0001667)

6.93***

72900

+

Yes

ln (Stock of Immigrants)

0.5296944 (0.0469756)

11.28***

72900

+

Yes

Stock of Foreign Labor

0.0022368 (3.565e-04)

6.27***

64452

+

Yes

ln (Stock of Foreign Labor)

0.5423597 (0.0483692)

11.21***

64452

+

Yes

  1. Note: Results from FE Poisson regression analysis with original covariates (Table 5). Standard errors are robust to heteroskedasticity
  2. ***p < 0.01, **p < 0.05, *p < 0.1