@AaronChalfin Profile picture

Aaron Chalfin

@AaronChalfin

Associate Professor of Criminology @Penn, research associate @nberpubs, senior fellow @NiskanenCenter and research affiliate @UChiUrbanLabs

Joined November 2011
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Aaron Chalfin Reposted

This guy made a spectacular rube Goldberg style project Wait for it


Aaron Chalfin Reposted

Recently accepted by #QJE, “A Cognitive View of Policing,” by Dube, MacArthur (@sjmacarthur), and Shah: doi.org/10.1093/qje/qj…


Aaron Chalfin Reposted

We still have a relatively poor understanding of the relationship between research and policy. Program evaluation in particular is often motivated by a desire to make policy better. But how effective is program evaluation itself? Michelle Rao's JMP tackles this question.

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Aaron Chalfin Reposted

onlinelibrary.wiley.com/doi/10.1111/17… More evidence on the benefits of video calls for police. RCT by Barak Ariel and colleagues in Dorset. Victims like it, and some good evidence it even improves evidence collection/arrests.

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Aaron Chalfin Reposted

Episode 110: @AurelieOuss on misaligned incentives in the criminal justice system probablecausation.com/podcasts/episo…


Aaron Chalfin Reposted

More evidence on the efficacy of CBT:

New @nberpubs working paper out from our colleagues Mary Kate Batistich (@BatistichMK) and Bill Evans, along with former graduate student Tyler Giles (@econburner). "Therapy to Reduce Violence and Improve Institutional Safety During Incarceration.” nber.org/papers/w33147



Aaron Chalfin Reposted

Jing Feng JMP: "Chronic Gun Violence Exposure and Education Outcomes: Evidence from New York City Public High School System" Website: sites.google.com/view/jingfeng

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Great piece👇 is entitled, “Are the kids all right?” But a different question is whether older New Yorkers, aged 45-64 are all right? The % (and raw number) of major crime arrestees in NYC who qualify for AARP membership has risen.

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New York City has read some heated headlines of late about rising youth crime, with problems typically attributed to Raise the Age. What's actually going on? In a new piece for Vital City @jjhall_77 explains. vitalcitynyc.org/articles/the-t…



Aaron Chalfin Reposted

There's a good reason the Frisch-Waugh-Lovell Theorem is taught in intro econometrics, at least at the graduate level. It's used to characterize omitted variable bias as well as the plim of OLS estimators under treatment heterogeneity and also diff-in-diffs. And more.


Aaron Chalfin Reposted

Stop it

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Aaron Chalfin Reposted

Rethinking p-Values in Scientific Research This paper addresses the ongoing debate about p-values and offers innovative solutions to improve statistical practice. Let’s explore the key insights! #Statistics #Research #OpenScience #DataScience tandfonline.com/doi/full/10.10…


Aaron Chalfin Reposted

Re-upping this opportunity before the posting closes next week. I'm looking for an embedded criminologist to be a key driver of this research project on site at the Kansas City (MO) PD. Interested parties can reach out to me with any questions. Thanks! northeastern.wd1.myworkdayjobs.com/careers/job/Bo…

JOB ANNOUNCEMENT: I'm hiring a full-time Senior Research Associate position: northeastern.wd1.myworkdayjobs.com/careers/job/Bo…. This person will be embedded at Kansas City PD as part of our @OJPNIJ funded project nij.ojp.gov/funding/awards…. Reach out to me directly if you are interested in learning more!



Aaron Chalfin Reposted

Are you a prospective PhD student interested in combining statistical, computational, and social science approaches to address pressing societal problems? My dept @NYU_ASH is starting a PhD program in computational social science. Learn more at our final info session this Thu!

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Aaron Chalfin Reposted

Newly published on JCRE, "Does Proactive Policing Really Increase Major Crime? A Replication Study of Sullivan and O'Keeffe (Nature Human Behaviour, 2017)" by Aaron Chalfin @AaronChalfin, David Mitre-Becerril @dmitre88, and Morgan C. Williams, Jr. @MWillJr (JCRE, Vol. 3, 2024-6).


Aaron Chalfin Reposted

Is transformational change the only thing that matters? Great @AaronChalfin piece is part of a joint @NiskanenCenter & @VitalCityNYC exploration of the role of research in public policymaking: open.substack.com/pub/hypertextj…


Aaron Chalfin Reposted

Excited to release the program for the 13th Workshop on the Economics of Risky Behavior, set to take place in Opatija, Croatia on July 4-5, 2024. tinyurl.com/bdzk35wf

🔔 Reminder: The 13th Workshop on Economics of Risky Behavior awaits your submission! 🌍Location: Opatija, Croatia 🗓️Dates: July 4-5, 2024 🚀Submission Deadline: March 3, 2024 🔑Keynote Speaker: @gmastrob 👥Organizers: @Erdal_Tekin_, Ana Bobinac, @igorfrancetic, & @lkovacevic1

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Aaron Chalfin Reposted

Jens Ludwig and Kevin Schnepel: transfers and employment programs affect property, but not violent, offending nber.org/papers/w32297

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Aaron Chalfin Reposted

Transformational change is far too high a bar for policies to clear. Incremental changes, when added up, amount to something powerful, writes @AaronChalfin of @Penn vitalcitynyc.org/articles/is-tr…


Aaron Chalfin Reposted

ICYMI - Join the AV CJ team!

The @Arnold_Ventures Criminal Justice team is hiring! We’re searching for an Analyst to support our new Research team. This position is perfect for a new or recent college grad who is interested in research, CJ policy, or evidence-based policy more generally. You’d be working…



Aaron Chalfin Reposted

Pretty excited that my paper with @LudoGazze and @sspirovs on the spillover effects of lead poisoning is coming out in The Journal of Labor Economics! You can read it here: journals.uchicago.edu/doi/epdf/10.10…


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