How fast is the global economy growing? Is China contributing more to global growth than the United States? Is the average person richer in Canada or in Switzerland? These types of questions are of ...

They provide a measure of what an economy’s local currency can buy in another economy. PPP-based comparisons of economic output differ from market exchange rate-based comparisons as the latter do not ...

At what rate would the currency of one country have to be converted into that of another to buy the same goods and services in each country? How fast is the global economy growing? Is China ...

Figure 1 also shows how these metrics compare with an analysis of global GDP as measured using market exchange rates to provide GDP in a common currency. PPP-based GDP comparisons reflect only the ...