Firm

2005

2006

2007

2008

2009

2010

2011

2012

2013

Dom.

0.41

0.40

0.43

0.41

0.44

0.33

0.29

0.33

0.33

FDI

0.41

0.39

0.43

0.39

0.41

0.35

0.32

0.33

0.34

Diff. of means

0.00

−0.01

−0.01

−0.02

−0.03

0.02

0.03

0.01

0.02

Z-Stat.

0.15

5.30^***

6.59^***

11.58^***

1.87^**

5.98^***

N

20,468

23,968

20,162

29,613

36,614

42,417

45,217

52,423

56,247