Several articles published in the 1990s have identified empirical relationships between the term structure of real and nominal interest rates, on one hand, and future real output and inflation, on the other. Among these are Mishkin (1990a), Estrella and Hardouvelis (1991), Bernanke and Blinder...

There is wide agreement that the dynamics of inflation and unemployment are influenced by supply and demand shocks, such as oil price and monetary policy surprises, and by systematic factors such as overlapping contracts. There is less agreement about the relative importance of those...