The monetary standard emerges out of the interaction of monetary policy with the structure of the economy. Characterization of the monetary standard thus requires specification of a model of the economy with a central bank reaction function. Such a specification raises all the fundamental issues...

This paper explains US macroeconomic outcomes with an empirical new-Keynesian model in which monetary policy minimizes the central bank's loss function. The presence of expectations in the model forms a well-known distinction between two modes of optimization, termed commitment and discretion....