Last year was tough for Asia's economy but easy for its central bankers. All they had to do was flood their banking systems with lots of cheap cash and sit tight. But in 2010 they are going to have to earn their money.
Worries about growth have quickly given way to concerns about inflation, and investors seem split down the middle about the capacity of central banks to rise to the challenge.
As global jitters over China's initial tightening of monetary policy demonstrate, some fear the response will be too harsh.