When the currency of a country $($other than the U$.$S$.)$ is stronger in foreign exchange markets than its PPP exchange rate $($meaning that its external purchasing power is greater than its internal purchasing power$),$ the $($U$.$S$.)$ dollar value of the country's GDP per capita when measured by current exchange rates is $\_\_\_\_\_\_\_\_.$

Note: The $"$PPP$"$ exchange rate is what the exchange rate should be$,$ if it were neither over$-$ nor under$-$valued in the foreign exchange markets.

Group of answer choices

the same as when measured by PPP exchange rates

slightly the same as when measured by PPP exchange rates

smaller than when measured by PPP exchange rates

larger than when measured by PPP exchange rates