Controlling for this widens the differential in favor of floating exchange rates to 0.8 percent over all countries, and as much as 1.5 percent for the lower-income countries. Explaining the ...

Cavallo, Alberto, Brent Neiman, and Roberto Rigobon. "Currency Unions, Product Introductions, and the Real Exchange Rate." Quarterly Journal of Economics 129, no. 2 (May 2014): 529–595. This dataset ...