Discussion paper
DP3405 Non-Linear Monetary Policy Rules: Some New Evidence for the US
This Paper derives optimal monetary policy rules in setups where certainty equivalence does not hold because either central bank preferences are not quadratic, and/or the aggregate supply relation is non-linear. Analytical results show that these features lead to sign and size asymmetries, and non-linearities in the policy rule. Reduced-form estimates indicate that US monetary policy can be characterized by a non-linear policy rule after 1983, but not before 1979. This finding is consistent with the view that the Fed?s inflation preferences during the Volcker-Greenspan regime differ considerably from the ones during the Burns-Miller regime.
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