In the 1970s, the economist Rudi Dornbusch (and reality) taught us that that was wrong: a floating-rate regime capitalizes expected future differences in nominal interest rates minus inflation rates into today’s exchange rate.
Nos anos 70, o economista Rudi Dornbusch ensinou-nos (realmente) que isso estava errado: um regime de taxas variáveis capitaliza as esperadas diferenças futuras nas taxas de juros nominais sem as taxas de inflação, na taxa de câmbio actual.