Table 2 Bounds test.

EFP = f(WTE⁺,WTE⁻,GDP, GDP², FID, FDI)

2, 3, 0, 3, 3, 1, 3

11.7485***

EFP = f(WTE^a, WTE^b, WTE^c, WTE^d, GDP, GDP², FID, FDI)

3, 2, 2, 2, 2, 2, 2, 2, 2

6.3901***

EFP = f(WTE⁺,WTE⁻,GDP, GDP², FID, FDI)

4, 4, 4, 4, 4, 4, 3

7.9201***

EFP = f(WTE^a, WTE^b, WTE^c, WTE^d, GDP, GDP², FID, FDI)

2, 0, 3, 3, 2, 3, 3, 3, 3

12.1811***