Joint with M. Keith Chen, Elicia John, Emily Owens, and Yilin Zhuo, "Smartphone Data Reveal Neighborhood-Level Racial Disparities in Police Presence," equal authorship, https://arxiv.org/abs/2109.12491
While extensive, research on policing in America has focused on documented actions such as stops and arrests—less is known about patrolling and presence. We map the movements of over ten thousand police officers across twenty-three of America's largest cities by combining anonymized smartphone data with station and precinct boundaries. Police spend considerably more time in Black neighborhoods, a disparity which persists after controlling for density, socioeconomics, and crime-driven demand for policing. Our results suggest that roughly half of observed racial disparities in arrests derive from disparities in exposure, and that supervisor (but not officer) diversity reduces this.
David Dolifka, Katherine L. Christensen, and Franklin Shaddy, "Created Equal: Shifting Preferences for Redistribution," under review.
Christensen, Katherine L., Broderick L. Turner, and Rajesh Bagchi, "Seeing Race: What Was, What Will Be, What Should Be," data collection.
Christensen, Katherine L., Hal E. Hershfield, and Sam B. Maglio, "Back to the Present: How Mental Time Travel Affects Thoughts and Behavior," under revision, Journal of Consumer Research
Christensen, Katherine L. and Suzanne B. Shu, "The Role of Heritage Connection in Consumer Valuation," under revision, Journal of Marketing Research
Christensen, Katherine L. and Ed O'Brien, "Human Nature: How Time and Agency Shape Value," preparing for submission.
Christensen, Katherine L., Michael I. Norton, and Hal E. Hershfield, "Ritual and Time," data collection.
Zheng, Justin C., Katherine L. Christensen, Richard K. Leuchter, Maria Han, Sitaram Vangala, and Daniel Croymans, "The Role of Testing Availability on Intentions to Isolate during the COVID-19 Pandemic: A Randomized Trial," PLOS ONE
Christensen, Katherine L., Hal E. Hershfield, Mikella Green, and Gregory Samanez-Larkin, "Solve It With a Smile: The Role of Human Connection in Medication Adherence," grant from the Price Center for Entrepreneurship and Innovation
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