The results of this paper complement the recent findings of real exchange rates as stationary processes. The standard procedure of applying a battery of unit root tests can be problematic since the tests are sensitive to the specifics of the time-series process. The novelty of the approach we...

Real exchange rates appear to present a specific behaviour in the early phase of transition: they are largely unaffected by nominal exchange rate movements and exhibit trend appreciation. The model presented here describes the transition process as the emergence of two new (traded and non-traded...

Real exchange appreciation has been a common feature in transition economies since the launching of stabilization and reform programs at the beginning of the 1990s. Previous literature has described this phenomenon as an equilibrium adjustment that followed a sharp undervaluation at the start of...

Tests of the null hypothesis of stationarity against the unit root alternative play an increasingly important role in empirical work in macroeconomics and in international finance. We show that the use of conventional asymptotic critical values for stationarity tests may cause extreme size...

We assess the progress made by the profession in understanding real exchange rate behaviour, through a selective and critical but nonetheless expository review of the literature. Our reading of the literature leads us to the main conclusions that purchasing power parity might be viewed as a...

We show that the composition of government spending influences the long-run behaviour of the real exchange rate. We develop a two-sector small open economy model in which an increase in government consumption is associated with real appreciation, while an increase in government investment may...

This paper studies sharp reductions in current account deficits and large exchange rate depreciations in low- and middle-income countries. It examines which factors help predict the occurrence of a reversal or a currency crisis, and how these events affect macroeconomic performance. It finds...

We propose that analysis of purchasing power parity (PPP) and the law of one price (LOOP) should explicitly take into account the possibility of ‘commodity points’ – thresholds delineating a region of no central tendency among relative prices, possibly due to lack of perfect arbitrage in...

In mid-2008, the real effective exchange rate of the dollar was close to its minimum level for the past 4 decades. At the same time, however, the U.S. trade and current account deficits remain large and, absent a significant correction in coming years, would contribute to a further accumulation...

We assume that individuals can fully insure themselves against cross-country shocks, but not against individual-specific shocks. We consider two particular models of limited risk-sharing: domestically incomplete markets (DI) and private information-Pareto optimal (PIPO) risk-sharing. For each...