This article considers the application to regional price data of time series methods to test stationarity, multivariate cointegration and exogeneity. The discovery of stationary price differentials in a bivariate setting implies that the series are rendered stationary by capturing a common trend...

In this article we show that mean-adjusting panel and univariate time series unit root tests yield similar size when there is no drift. The conclusion of the empirics for Purchasing Power Parity is that on average it holds

Co-integration, equilibrium and equilibrium correction are key concepts in modern applications of econometrics to real world problems. This book provides direction and guidance to the now vast literature facing students and graduate economists. Econometric theory is linked to practical issues...