How do Workers Learn? Theory and Evidence on the Roots of Lifecycle Human Capital Accumulation

We would like to thank Titan Alon, Edward Glaeser, Victoria Gregory, Zibin Huang, Nir Jaimovich, Gregor Jarosch, David Lagakos, Jeremy Lise, Simon Mongey, Marc Muendler, Joseph Mullins, Mariacristina de Nardi, Tommaso Porzio, Valerie Ramey, Victor Rios-Rull, Todd Schoellman, Kjetil Storesletten, Gianluca Violante, and Johannes Wieland for their helpful comments. We are also grateful for the insightful comments of participants in seminars at UCSD, CU Boulder, UH Manoa, Universidad Torcuato Di Tella, IADB, NUS, UIUC, PHBS Macro and Finance Workshop, BSE Summer Forum, SED, UMN, ASU, Notre Dame, IZA Macroeconomics of Labor Productivity Workshop, University of Arizona, Harvard, UCSB, University of Houston, University of Toronto, Boston College, Clemson, UCSB-LAEF Labor Markets Conference, CMU, CICM, SITE: Frontiers of Macroeconomic Research, BU, UC Berkeley, St. Louis Fed -- Washington Univ. Macro-Labor Conference, Duke, and Brown. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.