テクニカルレポート Fiscal Forward Guidance:A Case for Selective Transparency

Fujiwara, Ippei  ,  Waki, Yuichiro

2018-03 , Institute of Economic Research, Hitotsubashi University
内容記述
Should the fiscal authority use forward guidance to reduce future policy uncertainty perceived by private agents? Using dynamic general equilibrium models, we examine the welfare effects of announcing future fiscal policy shocks and show that selective transparency is desirable — announcing future policy shocks that are distortionary can be detrimental to ex ante social welfare, whereas announcing non-distortionary shocks generally improves welfare. Sizable welfare gains are found with constructive ambiguity regarding the timing of a tax increase in a realistic fiscal consolidation scenario. However, being secretive about distortionary shocks is time inconsistent, and welfare loss from communication may be unavoidable.
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http://hermes-ir.lib.hit-u.ac.jp/rs/bitstream/10086/29082/1/wp2017-8.pdf

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