This paper makes changes in monetary policy rules (or regimes) endogenous. Changes are triggered when certain endogenous variables cross specified thresholds. Rational expectations equilibria are examined in three models of threshold switching to illustrate that (i) expectations formation...

This paper examines the intellectual history of the Taylor Rule and its considerable influence on macroeconomic research and monetary policy. The paper traces the historical antecedents to the Taylor rule, emphasizing the contributions of three prominent advocates of rules--Henry Simons, A.W. H....

Recurring change in a monetary policy function that maps endogenous variables into policy choices alters both the nature and the efficacy of the Taylor principle---the proposition that central banks can stabilize the macroeconomy by raising their interest rate instrument more than one-for-one in...