The Bank of Japan's (BOJ) new governor, Haruhiko Kuroda, on Thursday reiterated his pledge to expand monetary easing and to achieve a 2-percent inflation goal in two years."It is undoubtedly that we need to carry out bold monetary easing from both perspectives of quantity and quality," Haruhiko Kuroda told his first news conference, one day after he attained the central bank's top post."Quantitative easing is indispensable," he said, adding that concerns over danger of economic bubbles in Japan triggered by the easing were unnecessary.Kuroda indicated that more purchases of government bonds and other assets to inject more cash into the banking system will be a likely movement for the BOJ.Two of Kuroda's deputy governors Kikuo Iwata and Hiroshi Nakaso also attended the inaugural press conference.The first BOJ policy meeting after Kuroda assumed office is scheduled to be held on April 3 and 4.