(WP15/2016)Quantitative Easing and Tapering Uncertainty: Evidence from Twitter

Publication Date : August 2016Authors : Annette Meinusch and Peter TillmannPages : 36 : Total Downloads : 353

 In this paper we analyze the extent to which people’s changing beliefs about the timing of the exit from Quantitative Easing (“tapering”) impact asset prices. To quantify beliefs of market participants, we use data from Twitter, the social media application. Our data set covers the entire Twitter volume on Federal Reserve tapering in 2013. Based on the time series of beliefs about an early or late tapering, we estimate a structural VAR-X model under appropriate sign restrictions on the impulse responses to identify a belief shock. The results show that shocks to tapering beliefs have non-negligible effects on interest rates and exchange rates. We also derive measures of monetary policy uncertainty and disagreement of beliefs, respectively, and estimate their impact. The paper is the first to use social media data for analyzing monetary policy and also adds to the rapidly growing literature on macroeconomic uncertainty shocks.

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