Table 4.

Descriptive statistics.

Variable	Obs	Mean	Std. dev.	Min	Max
MI	96	240.23	34.3470	190.42	285.21
GHG	96	13.714	0.16364	13.4388	13.918
GDP	96	26.524	0.27830	26.044	26.896
GE	96	19.185	1.61203	17.26	22
RQ	96	19.781	1.84953	17.4	23.4
GHE	96	28.987	11.7715	13.696	44.5919