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. nharvey income
Nyblom-Harvey (2000) statistic for income
Deterministics chosen : constant
H0: 0 common trends among the 31 series in the panel
Critical values for N= 40 30
10% 7.8557 6.0307
5% 8.2642 6.4117
1% 9.0172 7.1862
Assuming IID RW errors : anhui
type mismatch
r(109);