Robust regulators and their political masters : independence and accountability in theory / Marc Quintyn and Michael W. Taylor -- Independence and accountability in supervision : general principles and European setting / Lorenzo Bini Smaghi -- The fear of freedom : politicians and the...

This paper was presented at the panel session on rating agencies and sovereign risk, held during the seminar on sovereign risk hosted by the BIS in January 2013.Full publication: "http://ssrn.com/abstract=2420000" Sovereign Risk: A World Without Risk-Free Assets?

This paper explores the relationship between central bank communication and market sentiment,and proposes a new measure. Market sentiment is proxied using a Twitter-based metric: theCentral Bank Surprise Index. The empirical study covers three cases: the Federal Reserve, theEuropean Central Bank...