Working Papers

Older Papers:

  1. Business Cycle Properties of Selected U.S. Economic Time Series, 1959-1988 (with James H. Stock), NBER WP 3376 1990.
  2. Confidence Sets in Regressions with Highly Serially Correlated Regressors (with James H. Stock), Revised December 1996.
  3. Empirical Bayes Regression With Many Regressors (with Thomas Knox and James H. Stock), Revised January 2004.
  4. Optimal Tests for Reduced Rank Time Variation in Regression Coefficients and Level Variation in the Multivariate Local Level Model (with Piotr Eliasz and James H. Stock), Revised October 2004.
  5. Implications of Dynamic Factor Models for VAR Analysis (with James H. Stock), Revised June 2005.
  6. Measuring Changes in the Value of the Numeraire (with Ricardo Reis), May 2007.

Newer Papers:

  1. Low-Frequency Analysis of Economic Time Series (with Ulrich Müller ), September 2020, Draft Chapter for the Handbook of Econometrics, Vol. 7, edited by S. Durlauf, L.P. Hansen, J.J. Heckman, and R. Matzkin.
  2. Comovement of Economic Activity During the Covid Recession (with Danila Maroz and James Stock), December 2021.
  3. Aggregate Implications of Changing Sectoral Trends (with Andrew Foerster, Andreas Hornstein, and Pierre-Daniel Sarte), Revised January 2022, Journal of Political Economy, forthcoming.
  4. Spatial Correlation Robust Inference in Linear Regression and Panel Models (with Ulrich Müller), Revised September 2022, Journal of Business and Economic Statistics, forthcoming.
  5. Spatial Unit Roots (with Ulrich Müller), March 2023.