Chris Blattman Profile picture
Oct 4, 2019 3 tweets 2 min read Read on X
Am super jealous of coauthor ⁦@BigBigBLessing⁩ and his mug from Rio’s prison secretary. Reads “Liberty of the hostage: Our reason for existing”

#MugShots Image
OMG best collection ever Image
Apparently this is how they arrived. Best gift basket ever? Image

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More from @cblatts

Nov 2, 2023
I checked in on a friend the other day to see how he was doing. He’s not Israeli, but like many Jewish Americans he has close friends & family who are near the attacks or being called up to fight. He’s worried & mourning & also a little demoralized. He said something powerful.
What’s so disconcerting, he said, is that here are a set of truly heinous acts by Hamas. Why isn’t there universal condemnation, without qualification?

When others are terrorized, the world seems quicker to sympathize. How can Jews like him not feel somewhat abandoned?
I too was surprised by the tone & vehemence of some reactions on the left. To me it’s like 2015, when I was surprised just how many Americans still held white nationalist views. We all knew those extreme & hateful opinions were there. We just didn’t realize how many there were.
Read 24 tweets
Jul 14, 2023
Just hired a 21yo for their first job. What basic professional advice do they need? Here's what I tell all my new staff, but perhaps you can add. I'll start small.

1/ Use an online calendar. Have a foolproof system of reminders, so you never forget a deadline or obligation.
2/ Use the calendar to schedule intensive work time, not just meetings. Some kinds of work (like research or coding or writing) benefits from long, uninterrupted blocks of time. Most people schedule meetings only, and don't schedule these long blocks. Do both.
3/ Organize your contacts. Make a habit of saving everyone's names, emails and other contact info in a way that syncs across your devices. Keep notes of key info, like birthdays and the names of spouses and children.
Read 28 tweets
Jun 24, 2023
An unexpected joy of being at the ⁦@BeckerFriedman⁩ political economy conference in Paris is having ⁦@k_sonin⁩ give us a real-time paper presentation on events as they evolve in the previous 24h. Will try to capture some of the main points.

Forgive me in advance for all the ways I will misunderstand and misquote Kostyra
Prigozhin, he reminds us, is not autonomous but is essentially a branch of Russian military and intelligence
Read 24 tweets
May 25, 2023
Looking for alternatives to policing? So was the mayor of Medellin. In 2018, we worked with his govt to choose 80 neighborhoods. In half, the city intensified civilian staff and problem-solving 10-fold, for 2 years. The results were... unexpected.

Paper: osf.io/preprints/soca… Image
In Colombia, Mayors have limited control of police. A national institution, they report to the Minister of Defense. Cities can't grow their forces. So, cities build Secretariats of Security—civilian bureaucracies that solve disputes & try to keep order in neighborhoods. Image
The 40 sectors were ~10 blocks large, with ~2000 people. Each got a full-time "liaison" for 2y—a city worker who would help community groups organize, connect people to city services, refer disputes to resolution officers and family services, & facilitate local police relations. Image
Read 22 tweets
Apr 15, 2023
300 people committed most of the shoplifting in a city of 9 million. A useful reminder that most crime & violence is committed by a tiny number of people, and that nearly every effective social or policing problem has to be hyper targeted or it will fail.
nytimes.com/2023/04/15/nyr…
American cities need to fix poverty, policing, and a long list of other issues. That will take decades. Finding and intervening with 300 people is much different, much easier, and could be done this year if a mayor had the motive and the right team.
It’s even true for murder. Here’s the randomized trial.
Read 5 tweets
Jan 19, 2023
Here's the story of a city's response to spiking gun deaths. Of READI Chicago—an ambitious effort to build & study a program of jobs & CBT for the men most likely to shoot or be shot. Of HUGE success by some measures (64% fewer shooting & homicide arrests!) & no impact by others.
I'd love to tell you "we have the answer!" but, like most urban problems, gun violence is messy & hard to solve. So settle in for a more nuanced story than usual, yet one that ends with a clear message: helping men who shoot (& get shot) is possible, essential, and works.
If you just want the academic paper or policy note, both dropped this week. Here are links. The research team is me, @MonicaPBhatt, Sara Heller, Max Kapustin, Marianne Bertrand + a huge team @UChiUrbanLabs

Paper: osf.io/preprints/soca…

Policy note: urbanlabs.uchicago.edu/attachments/e9…
Read 37 tweets

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