This study examines the long-run relationship between US and Mexican prices. We use panel cointegration techniques that allow for heterogeneous relationships across goods to examine the existence of weak-form and strong-form Purchasing Power Parity (PPP) between the US and Mexico. We construct...

This paper investigates long-run Purchasing Power Parity (PPP) between the US and Mexico. We use a panel of disaggregated price data between the US and Mexico with a long time series to look at two types of aggregation bias. The first is examined in Imbs et al. -- which we refer to as estimator...