Optimal Monetary Policy with Imperfect Common Knowledge

Klaus Adam ()

No 4594, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: This Paper studies optimal nominal demand policy in a flexible price economy with monopolistic competition and inattentive firms (Shannon). Inattentiveness gives rise to idiosyncratic information errors and imperfect common knowledge about the shocks hitting the economy. Strategic complementarities in the price-setting game between firms then strongly amplify the effects of information frictions and the real effects of monetary policy. Therefore, strategic complementarities make it optimal to stabilize the output gap by nominally accommodating shocks to firms’ desired mark-up. As mark-up shocks become more persistent, however, optimal policy is again increasingly characterized by price level stabilization. Shocks to the natural rate of output are found not to generate a policy trade-off.

Keywords: information imperfections; nominal demand management; Private information; rational inattention; Shannon capacity (search for similar items in EconPapers)
JEL-codes: D82 E31 E52 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
Date: 2004-09
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Related works:
Working Paper: Optimal Monetary Policy with Imperfect Common Knowledge (2003)
Working Paper: Optimal Monetary Policy with Imperfect Common Knowledge (2004)
Working Paper: Optimal Monetary Policy with Imperfect Common Knowledge
Working Paper: Optimal Monetary Policy with Imperfect Common Knowledge (2003)
Working Paper: Optimal monetary policy with imperfect common knowledge (2003)
Journal Article: Optimal monetary policy with imperfect common knowledge (2007)
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