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The new Keynesian monetary model: Does it show the comovement between GDP and inflation in the U.S.?


  • Mari­a-Dolores, Ramón
  • Vázquez, Jesús


This paper analyzes the performance of alternative versions of the new Keynesian monetary (NKM) model in replicating the comovement observed between output and inflation. Following Den Haan [2000. The comovement between output and prices. Journal of Monetary Economics 46, 3-30], we analyze comovement by computing the correlations of VAR forecast errors of the two variables at different forecast horizons. The empirical correlation is negative and marginally significant for the one-ahead forecast horizon, but the correlations are non-significant for the other forecast horizons studied. In contrast, a simple NKM model under a standard parameterization provides a high and significant negative comovement at all forecast horizons. However, a generalized version including habit formation and a forward-looking Taylor rule is able to mimic the observed weak comovement at medium- and long-term forecast horizons.

Suggested Citation

  • Mari­a-Dolores, Ramón & Vázquez, Jesús, 2008. "The new Keynesian monetary model: Does it show the comovement between GDP and inflation in the U.S.?," Journal of Economic Dynamics and Control, Elsevier, vol. 32(5), pages 1466-1488, May.
  • Handle: RePEc:eee:dyncon:v:32:y:2008:i:5:p:1466-1488

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    References listed on IDEAS

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    Cited by:

    1. Steven Cassou & Jesús Vázquez, 2014. "Employment comovements at the sectoral level over the business cycle," Empirical Economics, Springer, vol. 46(4), pages 1301-1323, June.

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