Virtual currencies are a contemporary form of private money. Thanks to their technological properties, their global transaction networks are relatively safe, transparent, and fast. This gives them good prospects for further development. However, they remain unlikely to challenge the dominant...

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...

Galí (2014) showed that a monetary policy rule that raises interest rates in response to bubbles can paradoxically lead to larger bubbles. This comment shows that a central bank that wants to dampen bubbles can always do so by raising interest rates aggressively enough. This result is different...