[1
]Department of Economics Suleyman Demirel University Isparta Turkey
[2
]Department of Applied Economics, International Economy Institute University of Alicante
Alicante Spain
[3
]Department of Political Economy and Public Finance, Economic and Business Statistics
and Economic Policy University of Castilla La Mancha Cuenca Spain
[4
]School of Statistics and Applied Mathematics Anhui University of Finance and Economics
Bengbu 233030 China