This paper tests the validity of Purchasing Power Parity (PPP) doctrine for Ghana using the conventional relative PPP equation. We conducted a univariate Augmented Dickey-Fuller unit root test on the model variables. Exchange rate and CPI data for Ghana and the USA were collected on annual basis...

The empirical validation of the purchasing power parity (PPP) theory is generally based on real exchange rates built using consumer price indexes (CPI). The empirical evidence does not generally support the theory and this fact goes under the name of purchasing power parity puzzle. In this paper...

A unique panel of retail prices spanning 123 cities in 79 countries from 1990 to 2005 is used to uncover the novel properties of long-run international price dispersion. At the PPP level, almost all of price dispersion is attributed to unskilled wage dispersion. At the level of individual goods...

A unique panel of retail prices spanning 123 cities in 79 countries from 1990 to 2005 is used to uncover the novel properties of long-run international price dispersion. At the PPP level, almost all of price dispersion is attributed to unskilled wage dispersion. At the level of individual goods...