This paper illustrates that the introduction of a money demand distortion into an otherwise standard New Keynesian Open Economy model generates multiple discretionary equilibria. These equilibria arise in the form of expectations traps whereby the monetary authority is trapped into validating...

We develop and estimate an open economy New Keynesian Phillips curve (NKPC) in which variable demand elasticities give rise to changes in desired markups in response to changes in competitive pressure from abroad. A parametric restriction on our specification yields the standard NKPC, in which...

This retrospective provides a biographical history of Denis Sargan's career and reviews his contributions to econometrics, emphasizing the breadth of his work in both theoretical and applied econometrics. We include a complete bibliography for Denis and a list of PhD theses that he...

a speech at the Annual Meeting of the American Economic Association, Philadelphia, Pennsylvania

a speech at the Massachusetts Institute of Technology 2006 commencement, Cambridge, Massachusetts

This paper compares discretionary monetary policy under two Phillips curves. Previous work uses a Phillips curve consistent with "Neoclassical" models of price adjustment. Sticky price models imply a "New-Keynesian" Phillips curve based on staggered price setting that delivers familiar results...

The value of a vast array of financial assets are functions of rates or prices determined in OTC, interbank, or other off-exchange markets. In order to price such derivative assets, underlying rate and price indexes are routinely sampled and estimated. To guard against misreporting, whether...