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Reposted by Justin de Benedictis-Kessner

Political Science Research and Methods @psrm.bsky.social · 08/04/2026

📰 Do the effects of partisan media fade quickly or accumulate over time? ➡️ Using multiwave experiments, M Baum et al. show a single exposure can have effects lasting up to a week, while cumulative effects are hard to detect www.cambridge.org/core/journal... #FirstView

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Justin de Benedictis-Kessner @jdbk.bsky.social · 11/08/2025

Yet again, Trump is falsely claiming that Democrat-controlled cities like DC are letting crime get out of control. Our research – from cities across the US – shows that this just isn't true @chriswarshaw.bsky.social @dbjones.bsky.social @matttheeconguy.bsky.social

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Reposted by Justin de Benedictis-Kessner

The Conversation U.S. @us.theconversation.com · 18/04/2025

Crime is nonpartisan, and neither party is better at fighting crime in cities. But evidence-backed programs like youth jobs initiatives can help improve public safety. buff.ly/RGmW1ht @jdbk.bsky.social @harvardkennedy.bsky.social and Christopher S. Warshaw, George Washington University #polisky

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Crime is nonpartisan and the blame game on crime in cities is wrong – on both sides

Mayors from the Democratic Party aren’t making cities any more – or less – dangerous than mayors from the Republican Party.

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Justin de Benedictis-Kessner @jdbk.bsky.social · 11/02/2025

Well said, from my colleague David Deming @harvardkennedy.bsky.social: "If government funding goes away, so will much of the research. The long-run cost will be staggering. We’ll have fewer medical breakthroughs, the progress of lifesaving medical treatments will stall, and America may fall behind."

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Justin de Benedictis-Kessner @jdbk.bsky.social · 15/01/2025

Are Democratic leaders making cities more dangerous than Republicans? Trump + others have repeatedly made claims like this. New paper in Science Advances w/ @chriswarshaw.bsky.social, Dan Jones & Matt Harvey shows that, in short, the answer is no.

Abstract of article titled "The partisanship of mayors has no detectable effect on police spending, police employment, crime, or arrests"

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Reposted by Justin de Benedictis-Kessner

Michael Hankinson @hankinson.bsky.social · 24/10/2024

Can developers compensate nearby residents to win support for their housing projects? In a new @jpublicpolicy.bsky.social article, @jdbk.bsky.social and I unpack how compensation works, when it fails, and what that teaches us about symbolic attitudes and housing policy. 1/11

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Justin de Benedictis-Kessner @jdbk.bsky.social · 24/01/2024

I'm hiring a postdoc to work with me for 2 years at the Harvard Kennedy School thnx to generous funding from the Bloomberg Center for Cities. Official job posting is up now! Please tell anyone you know who might be interested to apply #psjminfo cities.harvard.edu/postdoctoral...

job description for postdoc position. Text reads: "The Local Politics Lab at the Harvard Kennedy School, along with faculty director Justin de Benedictis- Kessner, seeks applications for a Postdoctoral Researcher for two years starting in summer 2024. The Postdoctoral Researcher will work on projects related to cities and other local governments in the new Local Politics Lab at the Bloomberg Center at Harvard University with faculty director Justin de Benedictis-Kessner. The candidate will guide research activities on designated projects and give direction on research ideas, hone research questions, design and implement robust research analytic plans, analyze data, interpret results, and review and/or assist in writing academic research papers and writing public-facing research briefs. Projects may include work on elections using the American local elections database, surveys related to local politics and elections, and urban policy.

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Justin de Benedictis-Kessner @jdbk.bsky.social · 19/12/2023

Great to have the culmination of 8+ years collecting election data finally published! Excited to see these data help the next generation of scholars working on local politics 🤓

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Reposted by Justin de Benedictis-Kessner

Chris Warshaw @chriswarshaw.bsky.social · 14/12/2023

Lots of discussion on how economy will affect 2024 election. Evidence indicates that election year economy matters a lot (esp. real wage growth), but the economy this year prob. doesn't matter much. So a lot depends on what happens next year! See this figure from my paper w/ @jdbk.bsky.social.

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