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Table A17. Results of the unit root tests for Costa Rica (monthly data)




ADF
coefficient (-1)

PP
coefficient (-1)

CRPOWS

level

-0.06

-0.07



-1.23

-1.41


first differences

-1.23

-0.82



-6.19

-6.95

CRPMWS

level

-0.05

-0.78



-1.44

-0.03


first differences

-0.90

-0.70



-6.31

-6.17

CRPMRT

level

-0.04

-0.03



-1.13

-0.75


first differences

-0.92

-0.94



-4.37

-7.99

CRPLRT

level

-0.43

-0.42



-3.81

-4.75

CRBMRT

level

-0.08

-0.12



-2.55

-5.45


first differences

-1.24




-4.72


see Table 1 for variables' names
bold = significant at 5% or more
Source: calculations n ESCB and IMF data


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