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Economic Integrations and Purchasing Power Parity Assumption

Abstract The goal of the paper is to investigate in which way economic integration and economic relations affect mean reverting properties of real exchange rates. We have employed unconstrained and constrained augmented Dickey-Fuller unit root test and Im Pesaran Shin panel unit root test in order to investigate mean reverting properties of real exchange rates in transition, ASEAN, MERCOSUR countries and China vis à vis Germany and the USA. Our analysis is interesting due to the fact that it provides evidence of the impact of (further) integration on the problems with price competitiveness in EU and EMU periphery countries. Evidence suggests that economic relations of ASEAN and MERCOSUR countries vis à vis the USA and transition countries vis à vis Germany are affecting mean reverting properties of relative exchange rates. In all three groups of countries evidence of stationarity of real exchange rates is much stronger vis à vis major economic partner.