Operational monetary policy rules are characterized by a parsimonious specification and are therefore prone to specification error when estimated on real data. I devise a policy rule estimation procedure, which is robust to marginal misspecification, and study the effects of specification error...

Policymakers do not always follow a simple rule for setting policy rates for various reasons and thus their choices are co-driven by a decision to follow a rule or not. Consequently, some observations are censored and cause bias in conventional estimators of typical Taylor rules. To account for...