Whither News Shocks?
Chapter in NBER book NBER Macroeconomics Annual 2014, Volume 29 (2015), Jonathan A. Parker and Michael Woodford, editors (p. 225 - 264)
Does news about future productivity cause business-cycle fluctuations? What other effects might it have? We explore the answer to this question using semi-structural VARs, where "news" is defined as the innovation in the expectation of TFP at a fixed horizon in the future. We find that systems incorporating a number of forward-looking variables, including stock prices, consumption, consumer confidence and inflation, robustly predict three outcomes. First, following a news shock, TFP rises for several years. Second, inflation falls immediately and substantially, and stays low, often for 10 quarters or more. Third, there is a sharp increase in a forward-looking measure of consumer confidence. Consumption typically rises following good news, but investment, consumer durables purchases and hours worked typically fall on impact. All the quantity variables subsequently rise, as does TFP. Depending on the specification of the reduced form VAR, the activity variables may lead TFP to some extent--possibly lending some support to the hypothesis of news-driven business cycles--or they may move in lockstep with productivity. For the most part, the quantity and inflation responses are quite consistent with the predictions of a standard New Keynesian model augmented with real wage inertia.This chapter is no longer available for free download, since the book has been published. To obtain a copy, you must buy the book.
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This paper was revised on November 3, 2014
Document Object Identifier (DOI): 10.1086/680625This chapter first appeared as NBER working paper w20666, Whither News Shocks?, Robert B. Barsky, Susanto Basu, Keyoung Lee
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