Korea must reinforce grounds for job and income growth to bolster the domestic demand as sustainability in recovery led by exports remains doubtful due to uncertainties on the trade front , said Bank of Korea Governor Lee Ju - yeol Wednesday . “ Sentiment is improving thanks to pickup in exports , but we cannot be optimistic about the sustainability in export conditions due to signs of trade protectionism in key markets , ” he said in a seminar of economic experts . “ Policy attention should go to aiding sluggish consumption . That cannot be resolved unless income source strengthens from job security , ” he said . The service sector can generate jobs twice more than the manufacturing sector . He called upon the government to lift various regulations hampering expansion and advance in the service sector . [ ⓒ Maeil Business Newspaper & mk . co . kr , All rights reserved ]