Table 8.

Descriptive statistical indicators for input variables based on the calculation by the authors.

Descriptive statistical indicators	Foreign Direct Investment (FDI)	Integration of International Trade (IIT)	Degree of economic Openness (OPEN)	Gini coefficient with one the of lag (Gini t-1)
Mean	0.523	0.731	0.038	0.398
Standard deviation	0.354	0.138	0.028	0.010
Total mean and standard deviation	0.877	0.869	0.067	0.387
Difference of standard deviation and mean	0.168	0.592	0.009	0.408

Note: Determined domain for each of the input variables included: foreign direct investment, degree of economic openness, integration of international trade for high, middle, and low bounds.