HAZARDS IN IMPLEMENTING A MONETARY CONDITIONS INDEX

Oxford Bulletin of Economics and Statistics - Tập 58 Số 4 - Trang 765-790 - 1996
Kari H. Eika1, Neil R. Ericsson2, Ragnar Nymoen3,4,5,6
1Bank of Norway
2Board of Governors of the Federal Reserve - Division of International Finance (IFDP) - Trade and Financial Studies Section
3* The views expressed in this paper are solely the responsibility of the authors and should not be interpreted as reflecting those of Norges Bank, the Board of Governors of the Federal Reserve System, or other members of their staffs. The second author gratefully acknowledges the generous hospitality of Norges Bank, where he was visiting when he became involved in this research. An earlier version of this paper appeared under the title ‘Making a Monetary Conditions Index Operational’. We wish to thank Anindya Banerjee, Carol Bertaut, Richard Dennis, Pierre Duguay, Dick Freeman, Dale Henderson, David Hendry, Eilev Jansen, Karen Johnson, Anne Sofie Jore, David Longworth, Cathy Mann, Arturo O’Connell, Adrian Pagan, Sunil Sharma, Ralph Smith, an anonymous referee, and participants at the Project LINK Fall 1995 meeting and the EUI conference ‘The Econometrics of Economic Policy’ for helpful discussions and comments
4Bengt Hansson and Anne Sofie Jore for providing the data in Hansson (1993) and Jore (1994)
5Jurgen Doornik and David Hendry for providing us with a β-test version of PcGive 9.00. All numerical results were obtained using PcGive Professional Versions 8.00, 8.10, and 9.00 β01
6cf. Doornik and Hendry (1994).

Tóm tắt

Some recent studies have suggested constructing a Monetary Conditions Index (or MCI) to serve as an indicator of monetary policy stance. The central banks of Canada, Sweden and Norway all construct an MCI and (to varying degrees) use it in conducting monetary policy. Empirically, an MCI is calculated as the weighted sum of changes in a short‐term interest rate and the exchange rate relative to values in a baseline year. The weights aim to reflect these variables’ effects on longer‐term focuses of policy — economic activity and inflation. This paper derives analytical and empirical properties of MCIs in an attempt to ascertain their usefulness in monetary policy.An MCI assumes an underlying model relating economic activity and inflation to the variables in the MCI. Several issues arise for that model, including its empirical constancy, cointegration, exogeneity, dynamics and potential omitted variables. Because of its structure, the model is unlikely to be constant or to have strongly exogenous variables, yet constancy and exogeneity are critical for the usefulness of an MCI. Empirical analyses of Canadian, Swedish and Norwegian MCIs confirm such difficulties. Thus, the value of an MCI for conduct of economic policy is in doubt.

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