Abstract A number of hypotheses have been proposed to account for the role of lagged inflation in the New Keynesian price-adjustment model: (1) In the aftermath of abrupt structural change, rational learning may appear adaptive. (2) The model may have a serially correlated error term. (3)...

Blanchflower and Oswald (1994) have argued that, in regional data, the level of unemployment is related to the level of wages. This result is at variance with the implications of the original Phillips curve for regional data, which would predict that the change in wages ought to be related to...

Since the early 1980s, the United States economy has changed in some important ways: Inflation now rises considerably less when unemployment falls and the volatility of output and inflation have fallen sharply. This paper examines whether changes in monetary policy can account for these...