Using median-unbiased estimation based on Augmented Dickey--Fuller (ADF) regressions, recent research has questioned the validity of Rogoff's ‘remarkable consensus’ of 3--5 year half-lives of deviations from Purchasing Power Parity (PPP). The confidence intervals of these half-life...

Many economic theories connecting the real interest rate and the per-capita consumption growth rate require that both rates evolve together over time. This article investigates whether these rates present similar stationary behaviour for the seven most industrialized countries over the 1957-2005...