This Paper discusses criticisms of the IS-LM framework in the macroeconomic literature of the last 40 years, and how the modern optimizing version of IS-LM addresses those criticisms. It is argued that models that include the optimizing IS-LM specification are legitimate vehicles for dynamic...

A long-standing area of research and policy interest has been the construction of a measure of monetary policy stance. One measure that has been proposed—as an alternative to indices that employ monetary aggregates or exchange rates—is the spread between the actual real interest rate and its...

In this Paper, we present a dynamic optimizing model that allows explicitly for imperfect substitutability between different financial assets. This is specified in a manner that captures Tobin’s (1969) view that an expansion of one asset’s supply affects both the yield on that asset and the...

This paper revisits the issue of what factors produced the macroeconomic policies that led to the Great Inflation of the 1970s. I emphasize that a satisfactory explanation should satisfy two important criteria. First, it must be consistent with the record of views on the economy, manifested in...