By the end of the Great Moderation, over two dozen central banks were formal inflation targeters, and others, such as the Federal Reserve, the European Central Bank, and the Swiss National Bank behaved essentially as inflation targeters even though they were resistant to identifying themselves...

In this paper, I revisit an old question in the analysis of monetary policy that was first studied by Rogoff (1985) - should central banks pursue objectives that differ systematically from social welfare? I investigate how the answer to this question is affected by the degree of transparency...