Answer:
Two types of exchange rates can be used to compare GDPs:
1. Market exchange rates and
2. Purchasing power parity market exchange rates and purchasing power parity
Explanation:
Usually US dolaars is used as a currency
Since GDP is measured in a country's currency, in order to compare different countries' GDPs, we need to convert them to a common currency.
One way to compare different countries' GDPs is with an exchange rate, the price of one country's currency in terms of another.
GDP per capita is GDP divided by population.