Table 1. Summary statistics.

Variable	N	Mean	S.D	Min	Max
Export	434	14.410	2.560	6.518	18.940
Number	434	7.086	1.831	0.000	11.150
$R\&D$	434	1.422	0.468	0.087	2.748
DTI n	434	5.016	1.463	0.527	8.633
EXR	434	1.881	0.039	1.815	1.931
Exportother	434	16.160	1.669	11.610	19.760
HR	434	9.107	1.153	4.222	12.680
INF	434	0.917	0.579	0.022	2.540
GDP	434	18.920	1.025	15.300	20.980
$GDP\_sec$	434	42.990	8.806	15.800	59.000
FIE	434	0.275	0.202	0.096	1.379