Research

Working Papers

The Moral Hazard of Lifesaving Innovations: Naloxone Access, Opioid Abuse, and Crime (with Anita Mukherjee)

Current draft: March 2017 (online version coming soon).

Does “ban the box” help or hurt low-skilled workers? Statistical discrimination and employment outcomes when criminal histories are hidden (with Benjamin Hansen). NBER Working Paper No. 22469.

First draft: May 2016. Current draft: January 2017.

NBER Digest summary

Media coverage: Milwaukee Journal-Sentinel, Overlawyered, Vox (here and here), McClatchy News (published by several local papers), Weekly Standard, Richmond Times-Dispatch, Houston Chronicle, Pacific Standard, Fusion (here and here), The Atlantic, Michigan radio’s State of Opportunity, The Economist, NBC 29, UVA Today, Human Resource Executive Online, The Guardian, Politico (here and here), American Interest, Washington Post, Wall Street Journal, Governing, Washington Times, National Review, American Prospect, Bloomberg, Sacramento Bee, Boston Globe, Quartz, Stateline, WMRA

How do state crime policies affect other states? The externalities of state DNA database laws 

First draft: April 2016. Current draft: December 2016.

Data on state DNA database size 

The effects of DNA databases on the deterrence and detection of offenders (with Anne Sofie Tegner Anker and Rasmus Landersø).

First draft: March 2016. Current draft: June 2017.

A Promising Alternative: How Making College Free Affects Teens’ Risky Behaviors (with Chloe Gibbs).

First draft: November 2014. Current draft: May 2016.

Publications

Keep the Kids Inside? Juvenile Curfews and Urban Gun Violence (with Jillian B. Carr). Accepted, Review of Economics and Statistics.

Preprint version: June 2017.

ShotSpotter data

Media coverage: Marginal Revolution, Vox, FiveThirtyEight, NewsweekWashington Post, Wall Street Journal, NewsRadio WINA, WBEZ Chicago, The Guardian

Moving to job opportunities? The effect of ‘Ban the Box’ on the composition of cities (with Benjamin Hansen). 2017. American Economic Review (P&P), 107(5): 556-559.

Preprint version: January 2017.

The Effects of DNA Databases on Crime. 2017. American Economic Journal: Applied Economics, 9(1): 165-201.

Preprint version: August 2016.
Online appendix

Data on state DNA database size

Media coverage: UVA Today, NBC 29, The Daily Beast, Futurity.org, BBC, Police Professional (subscription only), WMRA’s Virginia Insight (radio interview), Maryland v. King Supreme Court briefs (Petitioner and LA County amicus), NY Times, Boston Globe

Increasing employment for individuals with criminal records. 2016. The Hamilton Project.

The geography, incidence, and underreporting of gun violence: new evidence using ShotSpotter data (with Jillian B. Carr). 2016. Brookings Research Paper.

Maps of criminal activity

ShotSpotter data

Media coverage: UVA Today, NewsRadio WINA, Daily Mail, Washington Post, Vox, Wisconsin Public Radio, Seattle Times, Forbes

Under the Cover of Darkness: How Ambient Light Influences Criminal Behavior (with Nicholas J. Sanders). 2015. Review of Economics and Statistics, 97(5), 1093-1103.

The data used in this paper are available on Dataverse

Media coverage: Next CityNPR Morning Edition, Vox, National Geographic, Washington Post, CNN, Washington Examiner, Mother Jones, Popular Mechanics, Gizmodo, Christian Science Monitor, Significance Magazine, BBC

The Visible Hand: Race and Online Market Outcomes (with Luke C.D. Stein). 2013. Economic Journal, 123(572), F469-F492.

Media coverage: NY Times Freakonomics blog, Stanford Report, Wall Street Journal Real Time Economics blog, USA Today, Financial Times, a radio interview on Crosscurrents (KALW), Daily Mail, UVA Today, The Root, NY Times, Financial Times

Works in Progress

High-Stakes Testing, Stress and Student Performance: Biological Pathways (with Emma Adam, David Figlio, Jennifer Heissel, and Jonathan Meer) — for more information see the Stress & Testing Study website

Safer Grounds: measuring the impacts of safety concerns on academic engagement (with Sophie Trawalter) — for more information, see SaferGrounds.org

Improving prisoner re-entry outcomes through large-scale behavioral interventions (with Benjamin Castleman) — UVA Today coverage