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 the...

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 the...

A classic argument for a fixed exchange rate is its promotion of trade. Empirical support for this, however, is mixed. While one branch of research consistently shows a small negative effect of exchange rate volatility on trade, another, more recent, branch presents evidence of a large positive...