Frictionless, perfectly competitive traded-goods markets justify thinking of purchasing power parity (PPP) as the main driver of exchange rates in the long-run. But differences in the traded/non-traded sectors of economies tend to be persistent and affect movements in local price levels in ways...

Frictionless, perfectly competitive traded-goods markets justify thinking of purchasing power parity (PPP) as the main driver of exchange rates in the long-run. But differences in the traded/non-traded sectors of economies tend to be persistent and affect movements in local price levels in ways...

This paper investigates purchasing-power parity (PPP) since the late nineteenth century. I collected data for a group of twenty countries over one hundred years, a larger historical panel of annual data than has ever been studied before. The evidence for long-run PPP is favorable using recent...