Górecka, Dorota; Sliwicki, Dominik - In: Dynamic Econometric Models 9 (2009), pp. 51-60
In the paper the purchasing power parity (PPP) theory for 6 states belonging to OECD, namely Denmark, Norway, Sweden, Poland, Czech Republic and Hungary, was examined. In order to do that the IPS panel unit root test was employed. After establishing that the exchange rates permanently deviate...