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Alexis Le Nestour

@alenestour.bsky.social
2.2K followers 1.1K following 122 posts

Researcher in education at Unicef Innocenti. Development economist. Marseille, France.

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Reposted by Alexis Le Nestour
Center for Global Development @cgdev.org · 01/04/2026
Can test results lead to education reform? @alenestour.bsky.social and @leecrawfurd.bsky.social show how PASEC results have improved learning in Francophone Africa. At a few cents per child, the question is not cost but whether countries can afford to lose it. cgdev.org/blog/pisa-shocks-africa
cgdev.org
“PISA-Shocks” in Africa
When the OECD published its first international student assessment (PISA) in 2000, several countries were taken aback by just how poorly students performed. This “PISA-Shock” prompted comprehensive re...
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Lee Crawfurd @leecrawfurd.bsky.social · 24/03/2026
You might have heard of "PISA-shock". You probably haven't heard of "PASEC-shock" in Niger [new blog with @alenestour.bsky.social]
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Ludger Woessmann @woessmann.bsky.social · 07/07/2025
❓Why do the Nordics & Dutch speak English so much better than the Germans, Italians & French? ➡️ New Working Paper: Out-of-School Learning: Subtitling vs. Dubbing and the Acquisition of Foreign-Language Skills w/ F. Baumeister & E. Hanushek www.nber.org/papers/w33984 A 🧵 1/12
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Lee Crawfurd @leecrawfurd.bsky.social · 30/05/2025
New blog: @rglenner.bsky.social & I suggest 4 criteria for donors choosing between multilateral education funds (eg GPE/ECW/IDA/IFFED/UNICEF/UNESCO) 1. Cost-effective interventions 2. Foundational literacy & numeracy 3. Poor countries 4. Financial & policy leverage www.cgdev.org/blog/four-cr...
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Alexis Le Nestour @alenestour.bsky.social · 14/03/2025
I’m happy to share our latest Data Must Speak report for #BurkinaFaso. We collaborated with the Ministry of #Education to analyze their admin education data and model the factors influencing school performance. Main results in a 🧵 @unicefinnocenti.bsky.social www.unicef.org/innocenti/re...
unicef.org
Data Must Speak: Burkina Faso
Positive deviance reports and project briefs
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Reposted by Alexis Le Nestour
NBER @nber.org · 14/03/2025
A 10 μg/m3 increase in daily PM2.5 air pollution causes a 5.7 percent increase in full-day student absences, a 13.1 percent increase in teacher absences, and a 28 percent increase in behavior referrals, from Sarah Chung, Claudia Persico, and Jing Liu www.nber.org/papers/w33549
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Alexis Le Nestour @alenestour.bsky.social · 14/03/2025
"We might see a fall in ODA, by 2027, of at least 25% relative to 2023 levels. And that’s very much a best-case scenario." ☹️ devpolicy.org/burden-shedd...
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Alexis Le Nestour @alenestour.bsky.social · 14/03/2025
I’m happy to share our latest Data Must Speak report for #BurkinaFaso. We collaborated with the Ministry of #Education to analyze their admin education data and model the factors influencing school performance. Main results in a 🧵 @unicefinnocenti.bsky.social www.unicef.org/innocenti/re...
unicef.org
Data Must Speak: Burkina Faso
Positive deviance reports and project briefs
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Alexis Le Nestour @alenestour.bsky.social · 14/02/2025
If VAT is a tariff, si is sales tax....
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Alexis Le Nestour @alenestour.bsky.social · 06/02/2025
Interesting new paper on unemployment of college graduates in Burundi. Using a field experiment, Ndayikeza shows that college graduates are more likely to find a high-skill job if they have low-skill job experience. www.sciencedirect.com/science/arti...
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Charles Kenny @charlesjkenny.bsky.social · 24/01/2025
PEPFAR is *currently providing* lifesaving HIV treatment for 20.6 million people, including 566,000 children, as of Sept. 30, 2024. That treatment is now in serious jeopardy. I'm sure people in the administration don't want half a million kids on their conscience. www.nytimes.com/2025/01/24/u...
nytimes.com
Trump Pauses Disbursements to Program Supplying H.I.V. Treatment Worldwide
Pepfar, which is estimated to have delivered lifesaving treatment to as many as 25 million people in 54 countries, faces a funding delay of as long as 180 days.
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Justin Sandefur @justsand.bsky.social · 16/12/2024
New @cgdev.org policy paper: *MALARIA VACCINES* are a huge scientific breakthrough. But the world is dragging its feet on rolling them out. We examine why, and how to go faster. 🧵
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Alexis Le Nestour @alenestour.bsky.social · 08/12/2024
Crazy footages of rebels liberating women and children from Assad’s worst prison. I’m so happy for Syrian people that they’re finally free!
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Alexis Le Nestour @alenestour.bsky.social · 08/12/2024
The fall of the Bastille, 2024.
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Nedal Al-Amari @nedalalamari.bsky.social · 08/12/2024
SAYDNAYA librateddddddddd Freedom shatters the doors of darkness. FREE ARMY freed the detainees from Saydnaya Prison. All my cousins were there. I can't wait to know if they are alive. Ya Allah, I don't know what to write. I can't describe my feelings.
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Nedal Al-Amari @nedalalamari.bsky.social · 08/12/2024
I’m not a Syrian refugee anymore. I’m Syrian. Just Syrian.
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elia ayoub @ayoub.bsky.social · 08/12/2024
It’s actually happening. The Assad regime is going to fall.
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Alexis Le Nestour @alenestour.bsky.social · 04/12/2024
As expected, French government has fallen. Barnier is the first PM to be voted out since 1962. Despite all his efforts to please the extreme-right, Le Pen let him down. France still has no budget for 2025…
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Andrea Rossi @rossiarossi.bsky.social · 29/11/2024
Here a starter pack for UNICEF people . please share and add suggestions go.bsky.app/GhcuBN3
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Alexis Le Nestour @alenestour.bsky.social · 29/11/2024
Notre-Dame de Paris reopens 5 years after the fire.
Picture of the inside of the cathedral Notre-Dame de Paris. The cathedral is almost empty. There are just few officials visiting it (Macron, Paris mayor, bishop of Paris etc.)
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Alexis Le Nestour @alenestour.bsky.social · 29/11/2024
Macron has supported the Chadian dictatorship for years to avoid losing this military base. France said nothing last year when Chadian security forces killed the leader of the opposition (Yaya Dillo). And now we’re kicked out anyway…
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Alexis Le Nestour @alenestour.bsky.social · 28/11/2024
The algorithms of Bluesky's official feeds should be public and there should be a plain English explanation of what they do.
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Alexis Le Nestour @alenestour.bsky.social · 20/11/2024
Super interesting podcast by @draliceevans.bsky.social who interviews @aspaglayan.bsky.social on her last book "Raised to obey" about the mass expansion of primary education in the world. 1/7 open.spotify.com/episode/1BsZ...
open.spotify.com
"Raised to Obey": Agustina Paglayan
ROCKING OUR PRIORS · Episode
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Herman van de Werfhorst 🟥 @hermwerf.bsky.social · 19/11/2024
Does educational expansion promote social mobility? In my latest study on 40 countries, that just came out in the American Sociological Review, it looks like it does. Integrating decomposition techniques with a comparative framework, 1/n
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Stefan Schubert @stefanschubert.bsky.social · 18/11/2024
The gaps in college completion by race and gender in the US are extraordinarily large. 77% of Asian women between 25 and 34 have a BA. (I.e. they've not just done "some college", but completed a degree.) Incredible figure. www.pewresearch.org/short-reads/...
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Alexis Le Nestour @alenestour.bsky.social · 17/11/2024
Blue sky over Marseille.
Picture of the Mediterranean sea from the calanques near Marseille. Beautiful blue sky.
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Camille Remigereau @camilleremigereau.bsky.social · 01/11/2024
Thrilled to (finally) share my working paper on the electoral impact of French repatriates from Algeria. The Algerian War and the repatriation of over 1 million French Algerians (pieds-noirs) remain a sensitive and essential chapter for understanding French politics. shorturl.at/hh9Ro
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Alexis Le Nestour @alenestour.bsky.social · 15/11/2024
The richest 1% are responsible for 14% of global CO2 emissions and the top 10 for 43%! From a new paper in Nature www.nature.com/articles/s41... ht @doctorvive.bsky.social
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Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social · 14/11/2024
"We show that 31–67% and 51–91% of the planetary boundary breaching responsibility could be attributed to the global top 10% and top 20% of consumers, respectively." Any economic agenda, even the "abundance" agenda, must deal with this scientific finding, no? www.nature.com/articles/s41...
nature.com
Keeping the global consumption within the planetary boundaries - Nature
An analysis of the environmental footprints of consumption finds that planetary boundary transgressions can be mitigated by following an effective mitigation pathway focused on the food and services s...
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Justin Sandefur @justsand.bsky.social · 14/11/2024
Tinder but for lead research: Tune into our online matchmaking event for researchers to hear from and talk to organizations working on lead exposure in the developing world. Today 11 am ET/4pm UK www.cgdev.org/event/resear...
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Centre for Economic Performance @cep-lse.bsky.social · 13/11/2024
The mismatch earnings penalty By Chiara Cavaglia, Lindsey Macmillan, Konstantina Maragkou, Richard Murphy and Gill Wyness Read more at: ow.ly/ItAS50U622J
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Alexis Le Nestour @alenestour.bsky.social · 13/11/2024
How are LLMs changing qualitative research? Qualitative research is time-consuming and limited by the number of people it can talk to. But now, AI can conduct and analyze large-scale conversations. I'm looking for real-word examples. Bonus points if it's in education in developing countries.
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Alexis Le Nestour @alenestour.bsky.social · 13/11/2024
Wasps can be heavy drinkers while bees can hardly tolerate alcohol. That explains a lot! www.pnas.org/doi/10.1073/...
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Alexis Le Nestour @alenestour.bsky.social · 13/11/2024
How are LLMs changing qualitative research? Qualitative research is time-consuming and limited by the number of people it can talk to. But now, AI can conduct and analyze large-scale conversations. I'm looking for real-word examples. Bonus points if it's in education in developing countries.
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Alexis Le Nestour @alenestour.bsky.social · 13/11/2024
So many new followers in the past few days! Let me do a quick intro: I’m a development economist working on education. Currently at Unicef where I work with ministries of educ to do some admin data analysis and positive deviance research.
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Simon Kuestenmacher @simongerman600.bsky.social · 27/10/2024
What mythical creature is part lion and part ant? Which is part goat and part human? These and many more combinations are listed in this fun graphic. Source: buff.ly/3jh9cwW
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Alexis Le Nestour @alenestour.bsky.social · 28/10/2024
2% response rate is the best pollsters get in the US! I don't understand the value of these polls. Using past election votes for reweighting helps because most people don't change their vote but can polls help understand swing voters' intentions? www.nytimes.com/article/time...
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Alexis Le Nestour @alenestour.bsky.social · 08/10/2024
Impressive results of a gvt program in Morocco implementing 2 GEEAP "great buys" : structured pedagogy and targeted remediation. +0.9SD! That puts it in the top 1% in terms of program effectiveness. povertyactionlab.org/sites/defaul...
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Alexis Le Nestour @alenestour.bsky.social · 03/10/2024
Est-ce que ChatGPT vous tutoie ou vouvoie? Il s’est mis à utiliser « tu » ces derniers temps et je n’aime pas cette familiarité.
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Alexis Le Nestour @alenestour.bsky.social · 30/09/2024
Argentina’s poverty rate increasing rapidly. Looks like the Milei’s “economic miracle” promoted by the right is not so great for the poorest. chequeado.com/el-explicado... ht @justsand.bsky.social
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Alexis Le Nestour @alenestour.bsky.social · 27/09/2024
Communist flags and McDonalds in Hanoi. A good summary of Vietnam economic policies.
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Alexis Le Nestour @alenestour.bsky.social · 21/09/2024
Duolingo is strange sometimes.
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Alexis Le Nestour @alenestour.bsky.social · 19/09/2024
Some qualitative data from surveys we're running in Chad and Madagascar show that some school directors pay community teachers with their own money! Governments expect poor communities to cover teacher salaries but a lot of communities are too poor for that.
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Alexis Le Nestour @alenestour.bsky.social · 17/09/2024
Nothing to brag about but in a couple of years that might be an impressive number :)
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Alexis Le Nestour @alenestour.bsky.social · 12/09/2024
Great paper using Hungarian data showing that within-school sorting based on socio-economic status harm low status students. www.sciencedirect.com/science/arti...
sciencedirect.com
Are separate classrooms inherently unequal? The effect of within-school sorting on the socioeconomic test score gap in Hungary
This study investigates whether within-school sorting increases socioeconomic test score inequalities. Using universal test score data on 6th- and 8th…
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Alexis Le Nestour @alenestour.bsky.social · 12/09/2024
Small negative effects of Covid school closures found in Australia (0.02 standard deviations per 100 days of school closures). www.sciencedirect.com/science/arti...
sciencedirect.com
The effect of school closures on standardized test scores: Evidence under zero-COVID policies
We study the effect of school closures on learning loss under Australia’s zero-COVID policies. School closures occurred together with preemptive shelt…
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Alexis Le Nestour @alenestour.bsky.social · 02/09/2024
What are the pro and cons of making kids wear school uniform? My prior is that it's probably not very effective at improving social mixing in schools but the French government is pushing it and I was wondering if there's some good evidence about it.
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Alexis Le Nestour @alenestour.bsky.social · 27/08/2024
I'm going to Viet Nam in a month for work and I'm trying to catch up with contemporary Vietnamese culture. I watched Furie (martial arts/action movie) yesterday and I was surprised how female dominated it was: all the badass are women and men are secondary character. www.imdb.com/title/tt9412...
imdb.com
Furie (2019) ⭐ 6.3 | Action, Drama, Thriller
1h 38m | TV-14
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Alexis Le Nestour @alenestour.bsky.social · 06/12/2023
There's no correlation between changes in PISA maths score and school closure intensity. #PISA2022
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Alexis Le Nestour @alenestour.bsky.social · 27/11/2023
After the legalization of same-sex marriage in the US, fewer men started training as Catholic priest.
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