I characterize exchange-rate regime breaks for thirty countries between 1960 and 2019, and I establish that while they affect the volatilities of nominal and real exchange rates they do not change the volatilities of other real macroeconomic variables (output, consumption, investment, and net exports). This is true even in countries in which exports and imports represent a large component of gross domestic product. I propose a model with exporter-importer firms which matches the behavior of nominal and real exchange rates and real macroeconomic variables across exchange-rate regimes, even for economies in which the sum of exports and imports exceeds gross domestic product.
 

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