For example, comparing per capita gross domestic product (GDP) of various countries in international dollars, rather than based simply on exchange rates, provides a more valid measure to compare standards of living. It is used to make comparisons both between countries and over time. It shows how much a local currency unit is worth within the country's borders.
It is based on the twin concepts of purchasing power parities (PPP) of currencies and the international average prices of commodities. 2000 US dollars or 2000 International$ (if the benchmark year is 2000). The year 1990 or 2000 is often used as a benchmark year for comparisons that run through time. It is mainly used in economics and financial statistics for various purposes, most notably to determine and compare the purchasing power parity and gross domestic product of various countries and markets. dollar had in the United States at a given point in time. The international dollar ( int'l dollar or intl dollar, symbols Int'l$., Intl$., Int$), also known as Geary–Khamis dollar (symbols G-K$ or GK$), is a hypothetical unit of currency that has the same purchasing power parity that the U.S. ( Learn how and when to remove this template message)
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