Table 2.

Summary statistics of the selected variables

Variable	Units	Obs	Mean	Std.Dev.	Min	Max
EE	Index	435	0.79	0.25	0.52	1.09
FDI	Constant 2010 US$	435	18,300,000,000.00	37,100,000,000.00	1,971,713.00	247,000,000,000.00
PGDP	Constant 2010 US$	435	13,650.05	17,262.74	411.16	58,247.87
TI	Patent Application	435	78,200.00	187,000.00	62.00	1,540,000.00
REC	Per capita oil equivalent	435	279.68	282.79	7.37	1380.00
HC	Years of schooling and returns on education	435	2.51	0.66	1.31	3.72