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Complexity and Monetary Policy

Athanasios Orphanides () and Volker Wieland ()

International Journal of Central Banking, 2013, vol. 9, issue 1, 167-204

Abstract: 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 a 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 database 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 eleven 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.

JEL-codes: E50 E52 E58 (search for similar items in EconPapers)
Date: 2013
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Related works:
Working Paper: Complexity and Monetary Policy (2012) Downloads
Working Paper: Complexity and monetary policy (2012) Downloads
Working Paper: Complexity and monetary policy (2012) Downloads
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