Haritz Garro

I am a research scientist in the Economics and Policy Research group at Meta. 

Previously, I was a postdoctoral fellow in the Democracy and Polarization Lab at Stanford University. I completed a Ph.D. in economics at Northwestern University. My academic research focuses on political economy, Congress, campaign finance, and the effects of the economy on political outcomes.

Contact: haritz.garro (at) gmail.com


No Evidence for Systematic Voter Fraud: A Guide to Statistical Claims About the 2020 Election, [pdf]

 with Andrew C. Eggers and Justin Grimmer

Proceedings of the National Academy of Sciences, 2021, 118(45): 1-7

Political Consequences of Economic Hardship: State Economic Activity and Polarization in American Legislatures,    

Journal of Law, Economics, and Organization, 2021, 37(3): 512-533


Quid Pro Quo? Corporate Returns to Campaign Contributions,

 with Anthony Fowler and Jörg L. Spenkuch

Journal of Politics, 2020, 82(3): 844-858  [pdf]  [Appendix]

Terrorism Prevention with Reelection Concerns and Valence Competition, 

 Journal of Theoretical Politics, 2019, 31(3): 330-369   [pdf]  

Conformity Voting and the Value of Public Information,

Political Science Research and Methods, 2019, 7(4): 913-920  [pdf]  [Appendix]

Working Papers

Reducing Misinformation Sharing at Scale Using Digital Accuracy Prompt Ads, [pdf]

with Hause Lin, Nils Wernerfelt, Jesse Shore, Adam Hughes, Daniel Deisenroth, Nathaniel Barr, Adam Berinsky, Dean Eckles, Gordon Pennycook, and David Rand

The Digital Welfare of Nations: New Measures of Welfare Gains and Inequality, [pdf]

 with Erik Brynjolfsson, Avinash Collis, Asad Liaqat, Daley Kutzman, Daniel Deisenroth, Nils Wernerfelt, and Jae Joon Lee

The Role of Connections in Congressional Lawmaking, [pdf]

Prosecutor Elections and Police Accountability, [pdf]

 with Allison Stashko