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A Bivariate Distribution for Inflation and Output Forecasts


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  • Blix, Mårten

    (Monetary Policy Department, Central Bank of Sweden)

  • Sellin, Peter

    (Monetary Policy Department, Central Bank of Sweden)

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    The contribution of this paper is to derive a bivariate distribution for inflation and output uncertainty with a well-defined role for subjective judgements. The marginal distributions for inflation and output growth are derived from uncertainty in the macro variables that are deemed to be important for future inflation and output growth. The uncertainty in the macro variables is based on their historical standard deviations, but we allow these to be subjectively adjusted if there is reason to be more or less uncertain than historically. We also allow for a subjective assessment of the balance of risk, i.e. whether the distributions are symmetric or not. Given the marginal distributions for inflation and output growth we derive a bivariate distribution using the translation method. Having derived the bivariate distribution we are in a position to discuss inflation forecast uncertainty conditional on the growth of output (or vice versa). The analysis can readily be extended to the case of more than two variables.

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    Bibliographic Info

    Paper provided by Sveriges Riksbank (Central Bank of Sweden) in its series Working Paper Series with number 102.

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    Length: 30 pages
    Date of creation: 01 Feb 2000
    Date of revision:
    Handle: RePEc:hhs:rbnkwp:0102

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    Postal: Sveriges Riksbank, SE-103 37 Stockholm, Sweden
    Phone: 08 - 787 00 00
    Fax: 08-21 05 31
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    Related research

    Keywords: Inflation forecast; Output forecast; Conditional forecasts; Two-piece normal distribution; Translation method; Johnson system;

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    Cited by:
    1. al-Nowaihi, Ali & Stracca, Livio, 2002. "Non-standard central bank loss functions, skewed risks, and certainty equivalence," Working Paper Series 0129, European Central Bank.
    2. Berg, Claes & Jansson, Per & Vredin, Anders, 2004. "How Useful are Simple Rules for Monetary Policy? The Swedish Experience," Working Paper Series 169, Sveriges Riksbank (Central Bank of Sweden).


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