South Korea's economy will grow 3.9 percent in 2014 following this year's 2.8 percent gain as the rebounding global economy will present better market conditions for its exports, the government predicted Friday. The government will also keep its expansionary fiscal and monetary policy for the time being, with a focus on stimulating the sluggish private sector to make the "warmth" of the nascent economic recovery spill over into the daily life of ordinary people.