Some Bank of Japan (BOJ) policymakers baulked at former chief Haruhiko Kuroda's idea of deploying a "bazooka" massive stimulus a decade ago, unconvinced central banks had the power to jolt public perceptions, accounts of the meeting released on Monday showed. The 2013 deliberation underscores a challenge central banks around the world still face - the difficulty of communicating policy intentions effectively and convincing the public of the impact its monetary measures had on the economy. The BOJ releases the full account of its policy-setting meetings after a decade.