Optimal monetary policy committee size: theory and cross country evidence

Szilárd Erhart and Jose Luis Vasquez-Paz

No 439, Kiel Advanced Studies Working Papers from Kiel Institute for the World Economy (IfW Kiel)

Abstract: Theoretical and empirical studies of different sciences suggest that an optimal committee consists of roughly 5-9 members, although it can swell mildly under specific circumstances. This paper develops a conceptual model in order to analyze the issue in case of monetary policy formulation. The optimal monetary policy committee (MPC) size varies according to the uncertainty of MPC members' information influenced by the size of the monetary zone and overall economic stability. Our conceptual model is backed up with econometric evidence using a survey of 85 countries. The MPC size of large monetary zones (EMU, USA, Japan) is close to the estimated optimal level, but there exist several smaller countries with too many or too few MPC members.

JEL-codes: E50 E58 (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (27)

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Working Paper: Optimal monetary policy committee size: Theory and cross country evidence (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:ifwasw:439

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