求Econometrica上的一篇文献Uncertainty Shocks in a Model of Effective Demand谢谢

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1 论文标题 Uncertainty Shocks in a Model of Effective Demand
2 作者信息

• Susanto Basu,Brent Bundick
  

3 出处和链接Volume 85, Issue 3 May 2017 Pages 937–958
http://onlinelibrary.wiley.com/doi/10.3982/ECTA13960/full
4 摘要
Can increased uncertainty about the future cause a contraction in output and its components? An identified uncertainty shock in the data causes significant declines in output, consumption, investment, and hours worked. Standard general-equilibrium models with flexible prices cannot reproduce this comovement. However, uncertainty shocks can easily generate comovement with countercyclical markups through sticky prices. Monetary policy plays a key role in offsetting the negative impact of uncertainty shocks during normal times. Higher uncertainty has even more negative effects if monetary policy can no longer perform its usual stabilizing function because of the zero lower bound. We calibrate our uncertainty shock process using fluctuations in implied stock market volatility, and show that the model with nominal price rigidity is consistent with empirical evidence from a structural vector autoregression. We argue that increased uncertainty about the future likely played a role in worsening the Great Recession. The economic mechanism we identify applies to a large set of shocks that change expectations of the future without changing current fundamentals.“Econometrica”期刊上正式的“Uncertainty Shocks in a Model of Effective Demand”，之前的工作论文可能会有修改，谢谢！

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