This paper examines the determinants of the real effective exchange rate (REER) in Brazil, from 1994 to 2003. Building on a standard theoretical model and based on the Johansen cointegration estimation, the main finding is that much of the long-run behavior of the REER can be explained by...

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...

We show that the when one takes into account the global equilibrium ramifications of an unwinding of the US current account deficit, currently running at more than 6% of GDP, the potential collapse of the dollar becomes considerably larger than our previous estimates (Obstfeld and Rogoff 2000a)...