Table 2.

Descriptive statistics.

Variable	Obs	Mean	S.D	Min.	Max.
GGR	400	0.926	1.326	−6.650	4.880
GDP	400	2.505	3.546	1.604	2.160
GTN	400	2.955	1.467	0.091	4.391
EC	400	3.887	3.775	0.001	4.389
ETN	400	2.205	2.094	0.100	16.976
EMS	400	14.311	1.336	11.707	18.071
EC	400	14.59	13.337	0.005	51.787

Author's calculations.