yet they still flock to the $us?, page-7

And the Americans don't have the ethos of Koreans:

"Appeals to the communal spirit come naturally in this resource-poor country, where save the economy becomes a national mantra in times of crisis. During the 1997-98 Asian economic crisis, South Koreans lined up at banks to turn in their families gold trinkets so that the government could melt them down into ingots and raise badly needed foreign currency."

http://www.nytimes.com/2009/04/02/business/global/02won.html