Table 4: Outlier testing.

CountryResidualsLeverageCook’s D.DFBETA
(0.4)(0.16)(0.4)

Germany0.760.24
Iceland2.610.210.83
Ireland0.80
Korea1.540.811.872.41
Luxembourg2.540.260.87
Mexico−2.560.40

Note: Studentized residuals, Levarages, Cook's Distance, and DFBETA influence measures are considered. Only countries reporting statistics besides the cutoff values are reported. Cutoff values for each indicator are in parenthesis.