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Table 3 Descriptive statistics

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

Variable

Obs

Mean

Std. Dev.

Min

Max

Immigration

237540

7.951135

10.32182

0.614

48.447

GDP

267072

1.13e + 12

1.28e + 12

1.22e + 11

5.46e + 12

Trade

267072

43714.95

51848.34

1330.4

211403.8

Patent Stock Ag

267072

1152.221

2135.329

9

9761

Education

236256

58.4958

15.43909

20.09968

95.01728

Inward FDI

263220

79178.04

94175.33

−41

447529

Outward FDI

265788

71754.97

103683.6

533

514689