• Publications
  • Influence
The Visible Hand: Race and Online Market Outcomes
We examine the effect of race on market outcomes by selling iPods through local online classified advertisements throughout the United States in a year-long field experiment. Each ad features aExpand
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The Moral Hazard of Lifesaving Innovations: Naloxone Access, Opioid Abuse, and Crime
The United States is experiencing an epidemic of opioid abuse. In response, many states have increased access to naloxone, a drug that can save lives when administered during an overdose. However,Expand
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The Effects of DNA Databases on Crime
Since 1988, every US state has established a database of criminal offenders’ DNA profiles. These databases have received widespread attention in the media and popular culture, but this paper providesExpand
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Does “Ban the Box�? Help or Hurt Low-Skilled Workers? Statistical Discrimination and Employment Outcomes When Criminal Histories are Hidden
Jurisdictions across the United States have adopted "ban the box" (BTB) policies preventing employers from conducting criminal background checks until late in the job application process. Their goalExpand
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Under the Cover of Darkness: How Ambient Light Influences Criminal Activity
We exploit daylight saving time (DST) as an exogenous shock to daylight, using both the discontinuous nature of the policy and the 2007 extension of DST, to consider the impact of light on criminalExpand
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The Geography, Incidence, and Underreporting of Gun Violence: New Evidence Using Shotspotter Data
This paper provides new evidence on the extent of underreporting of gun violence. Criminal activity is often selectively underreported – that is, underreported in a non-random manner. This can makeExpand
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Testing, Stress, and Performance: How Students Respond Physiologically to High-Stakes Testing
We examine how students’ physiological stress differs between a regular school week and a high-stakes testing week, and we raise questions about how to interpret high-stakes test scores. A potentialExpand
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How do State Crime Policies Affect Other States? The Externalities of State DNA Database Laws
State and local governments control most criminal justice policy in the United States, without regard for potential effects on other states. Lenient state policies might draw in criminals from otherExpand
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Keep the Kids Inside? Juvenile Curfews and Urban Gun Violence
Gun violence is an important problem across the United States. However, the impact of government policies on gunfire has been difficult to test due to limited and low-quality data. This paper usesExpand
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Moving to Job Opportunities? The Effect of "Ban the Box" on the Composition of Cities
Jurisdictions across the United States have adopted "ban the box" (BTB) policies preventing employers from conducting criminal background checks until late in the job application process. TheirExpand
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