Arbeitspapier

Complexity and monetary policy

The complexity resulting from intertwined uncertainties regarding model misspecification and mismeasurement of the state of the economy defines the monetary policy landscape. Using the euro area as laboratory this paper explores the design of robust policy guides aiming to maintain stability in the economy while recognizing this complexity. We document substantial output gap mismeasurement and make use of a new model data base to capture the evolution of model specification. A simple interest rate rule is employed to interpret ECB policy since 1999. An evaluation of alternative policy rules across 11 models of the euro area confirms the fragility of policy analysis optimized for any specific model and shows the merits of model averaging in policy design. Interestingly, a simple difference rule with the same coefficients on inflation and output growth as the one used to interpret ECB policy is quite robust as long as it responds to current outcomes of these variables.

Language
Englisch

Bibliographic citation
Series: CFS Working Paper ; No. 2012/11

Classification
Wirtschaft
Monetary Policy, Central Banking, and the Supply of Money and Credit: General
Monetary Policy
Central Banks and Their Policies
Subject
Financial Crisis
Complexity
Monetary Policy
Model Uncertainty
Robust Simple Rules
ECB
Geldpolitik
Regelgebundene Politik
Komplexe Systeme
Modellierung
Risiko
Schätzung
Eurozone

Event
Geistige Schöpfung
(who)
Orphanides, Athanasios
Wieland, Volker
Event
Veröffentlichung
(who)
Goethe University Frankfurt, Center for Financial Studies (CFS)
(where)
Frankfurt a. M.
(when)
2012

Handle
URN
urn:nbn:de:hebis:30:3-272544
Last update
10.03.2025, 11:45 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Orphanides, Athanasios
  • Wieland, Volker
  • Goethe University Frankfurt, Center for Financial Studies (CFS)

Time of origin

  • 2012

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