About
I am a Professor of Economics at the University of California - Berkeley. I began my career at Cal in 2005 and, after spending two years at the Economics Department of New York University, returned in the Fall of 2011. I have also spent time as a visiting professor at Zamorano University, Harvard University and the Centro de Estudios Monetarios y Financieros (CEMFI).
I am an econometrician with research interests in network formation, the identification of peer group effects, panel data and missing data problems (including those related to causal inference). My research has appeared in a variety of journals, including Econometrica and the Review of Economic Studies. A survey of my work on “Network Data” appears in the most recent volume of the Handbook of Econometrics. I recently published a book with Aureo de Paula on The Econometric Analysis of Network Data. I was a co-editor at the Review of Economics and Statistics from 2014 to 2020.
At Berkeley I teach econometrics at both the undergraduate and graduate levels. I completed my Ph.D. at Harvard University under the supervision of Gary Chamberlain. Prior to Harvard I studied at Oxford University as a Rhodes Scholar, the Australian National University as a Fulbright Scholar and Tufts University.
A full CV in pdf format is available here. A high resolution photograph of myself can be found here and here.
Abbreviated CV
Current Position
Professor, Department of Economics, University of California – Berkeley, 2017 - present
Education
- Harvard University, M.A. & Ph.D. in Economics (2000 - 2005)
- University of Oxford, Rhodes Scholar, M.Phil. in Economics (1998 - 2000)
- Australian National University, Fulbright Scholar (1997 - 1998)
- Tufts University, B.A. in Quantitative Economics, Summa Cum Laude (1993 - 1997)
Past Positions
Associate Professor, Department of Economics, University of California – Berkeley, 2011 - 2017
Assistant Professor, Department of Economics, New York University, 2009 - 2011
Assistant Professor, Department of Economics, University of California – Berkeley, 2005 - 2011 (on leave 2009 - 2011)
Selected Publications
- “Network data”, Handbook of Econometrics 7A: 111 - 218 (S. Durlauf, L. Hansen, J. Heckman & R. Matzkin, Eds.). Amsterdam: North-Holland, 2020
- “An econometric model of network formation with degree heterogeneity,”Econometrica 85 (4): 1033 - 1063, 2017 (lead article)
- “Identification and estimation of average partial effects in `irregular’ correlated random coefficient panel data models,” Econometrica 80 (5): 2105 - 2152, 2012 (w/ James Powell)
- “Inverse probability tilting for moment condition models with missing data,” Review of Economic Studies 79 (3): 1053 - 1079, 2012 (w/ Cristine Pinto and Dan Egel)
- “Efficiency bounds for missing data models with semiparametric restrictions,” Econometrica 79 (2): 437 – 452, 2011
- “Econometric methods for the analysis of assignment problems in the presence of complementarity and social spillovers,” Handbook of Social Economics 1B: 965 - 1052 (J. Benhabib, A. Bisin, & M. Jackson, Eds.). Amsterdam: North-Holland, 2011
- “Identifying social interactions through conditional variance restrictions,” Econometrica 76 (3): 643 – 660, 2008
Selected Honors
- Elected Fellow of the International Associated of Applied Econometrics (IAAE), 2023
- Review of Economic Studies Tour, 2005
- Rhodes Scholar, 1998
- Fulbright Scholar, 1997
Selected Grants
- National Science Foundation (SES #1851647) grant: “Semiparametric methods of policy analysis with social and economic network data” (PI) (272K), 2019 - 2021
- National Science Foundation (SES #1357499) grant: “Econometric models for networks and matching with heterogeneous agents” (PI) (325K), 2015 - 2019
- National Science Foundation (SES #0921928) grant: “Collaborative research: identification, estimation and application of semiparametric panel data models” (PI) (365K), 2009 - 2012
- National Science Foundation (SES #0820361) grant: “Collaborative research: the econometrics of reallocations in the presence of complementarity and social spillovers: estimands, identification and estimation” (PI) (212K), 2008 - 2009