Quiz: CNBC Quiz: Davos And The World Economy  Question 3 of 12
As of 2009, which of the following countries had the largest
GDP, based on purchasing power parity?    1. Canada   2. Mexico
3. South Korea   4. Spain  Mexico at $1.42 trillion, although it
is a very close group. Canada had the smallest of the group at
$1.28 trillion. Spain and South Korea were essentially tied at
about $ 1.36 trillion. (PPP involves the use of standard dollar
- price weightings for services and products, smoothing out
currency effects. Source: CIA 's World Fact Book