Purchasing Power Parity and Baseball Bats.

First suppose that one U.S. Dollar (USD) is currently selling for ten Mexican Pesos (MXN) on the exchange rate market. In the United States wooden baseball bats sell for $40 while in Mexico they sell for 150 pesos. Since 1 USD = 10 MXN, then the bat costs $40 USD if we buy it in the U.S. but only 15 USD if we buy it in Mexico. Clearly there’s an advantage to buying the bat in Mexico, so consumers are much better off going to Mexico to buy their bats.

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