The paper tests for PPP by investigating into the real exchange rates of seven South Asian countries. It employs two univariate unit root tests, namely, the ADF and the PP tests and two panel unit root tests, namely, the IPS and the CIPS tests. The univariate tests overwhelmingly fail to reject...

The paper investigates the validity of PPP by using 15 OECD countries data of monthly frequency from 1980:01 to 2005:12 and tests for the symmetry and proportionality hypotheses. The test for PPP is conducted in the framework of the General Relative PPP (RPPP) as proposed by Coakley et al....

The paper investigates the validity of PPP by using 15 OECD countries data of monthly frequency from 1980:01 to 2005:12 and tests for the symmetry and proportionality hypotheses. The test for PPP is conducted in the framework of the General Relative PPP (RPPP) as proposed by Coakley et al....