Comment on "Whither News Shocks?"
Chapter in NBER book NBER Macroeconomics Annual 2014, Volume 29 (2015), Jonathan A. Parker and Michael Woodford, editors (p. 265 - 278)
Barsky, Basu, and Lee (2014) are proposing to identify a technological news shock as the shock that does not affect TFP on impact and maximizes its variance in the short to medium run. In response to this shock, consumption typically rises following good news, but investment, consumer durables purchases and hours worked typically fall on impact. Noticing that this shock indeed moves TFP after one period, I propose ways to identify a technological diffusion news. By diffusion news, I mean that TFP is not affected in the short to medium run but permanently increases. In response to such a shock, the economy does display an aggregate boom with typical business cycles co-movements.
Document Object Identifier (DOI): 10.1086/680626This chapter is a comment on Whither News Shocks?, Robert B. Barsky, Susanto Basu, Keyoung Lee
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