May 30, 2012. "Demographics, Redistribution, and Optimal Inflation," with Carlos Garriga and Christopher J. Waller. Presented by Christopher Waller at the 2012 BOJ-IMES Conference Demographic Changes and Macroeconomic Performance.

This paper uses several methods to study the interrelationship among Divisia monetary aggregates, prices, and income, allowing for nonstationary, nonlinearities, asymmetries, and time-varying relationships among the series. We propose a multivariate regime switching unobserved components model...

This article first reviews methods of foreign exchange intervention and then presents evidence - focusing on survey results - on the mechanics of such intervention. Types of intervention, instruments, timing, amounts, motivation, secrecy and perceptions of efficacy are discussed.

Global Interdependence Center, Philadelphia, PA. June 30, 2009

Delivered at the Swedbank Economic Outlook Seminar, Stockholm, Sweden. May 27, 2010

Presentation at the Philadelphia Fed Policy Forum, Philadelphia - Nov. 30, 2001

Presentation to the First Conference of the Monetary Stability Foundation at the Regional Office of Deutsche Bundesbank, Frankfurt, Germany - Dec. 5, 2002