asia is one of the world's most dynamic regions, and offers multiple opportunities for businesses and investors. in terms of its nominal gross domestic product gdp in 2005, japan had the largest economy 4.80 trillion, followed by china 1.84 trillion and korea .72 trillion. china's real purchasing power exceeds 7 trillion, japan's is estimated at 4trillion, and korea' is estimated at 1 trillion. these giants combined purchasing power is comparable to the 12 trillion u.s. economy