Yoan Wallois
@yoanwallois.bsky.social
PhD in Economics and Data scientist | Python & R | ML, NLP, Econometrics, spatial
Reposted by Yoan Wallois
IMF Managing Director Kristalina Georgieva calls for a single, authoritative voice to lead the implementation of the Draghi report or risk losing precious time for Europe at an 'existential moment' for the bloc.
IMF boss calls for 'single market czar' to implement Draghi report
IMF Managing Director Kristalina Georgieva calls for a single, authoritative voice to lead the implementation of the Draghi report or risk losing precious time for Europe at an 'existential moment' for the bloc.
l.euronews.com
November 10, 2025 at 9:14 PM
IMF Managing Director Kristalina Georgieva calls for a single, authoritative voice to lead the implementation of the Draghi report or risk losing precious time for Europe at an 'existential moment' for the bloc.
Reposted by Yoan Wallois
One of the cool things about living in UK is you can wake up one day & find out you reside 300 yards from an ancient Roman road. (h/t @davidho.bsky.social)
A high-resolution digital map allows people to plan their routes along the ancient roads of the Roman Empire
go.nature.com/4nHZmoM
go.nature.com/4nHZmoM
‘Google Maps’ for Roman roads reveals vast extent of ancient network
Nature - A high-resolution digital map nearly doubles the known length of the ancient road network.
go.nature.com
November 9, 2025 at 10:44 AM
One of the cool things about living in UK is you can wake up one day & find out you reside 300 yards from an ancient Roman road. (h/t @davidho.bsky.social)
Reposted by Yoan Wallois
The pivot from “I’m building god” to “I’m building a jerkoff tool” is pretty funny
OpenAI to allow mature content on ChatGPT for adult verified users starting December reut.rs/3J8NTAi
OpenAI to allow mature content on ChatGPT for adult verified users starting December
OpenAI will allow mature content for ChatGPT users who verify their age on the platform starting in December, CEO Sam Altman said, after the chatbot was made restrictive for users in mental distress.
reut.rs
October 14, 2025 at 7:40 PM
The pivot from “I’m building god” to “I’m building a jerkoff tool” is pretty funny
Reposted by Yoan Wallois
BREAKING: new study just dropped that shows compelling evidence that cell phone bans cause student grades to modestly increase.
Grade increases are largest among low performing students.
Grade increases are largest among low performing students.
August 5, 2025 at 12:39 AM
BREAKING: new study just dropped that shows compelling evidence that cell phone bans cause student grades to modestly increase.
Grade increases are largest among low performing students.
Grade increases are largest among low performing students.
Reposted by Yoan Wallois
WeTransfer just changed their TOS giving themselves permission to train AI on any content you transfer and produce derivative works based on content you transfer that they are allowed to monetize and you are not allowed payment for.
Stop using WeTransfer.
Stop using WeTransfer.
July 14, 2025 at 11:05 PM
WeTransfer just changed their TOS giving themselves permission to train AI on any content you transfer and produce derivative works based on content you transfer that they are allowed to monetize and you are not allowed payment for.
Stop using WeTransfer.
Stop using WeTransfer.
Reposted by Yoan Wallois
Impressionnant hommage en lumière aux victimes de l'attentat du 14 juillet à Nice.
14 juillet 2016, ne pas oublier.
14 juillet 2016, ne pas oublier.
July 14, 2025 at 9:39 PM
Impressionnant hommage en lumière aux victimes de l'attentat du 14 juillet à Nice.
14 juillet 2016, ne pas oublier.
14 juillet 2016, ne pas oublier.
Reposted by Yoan Wallois
Likely underappreciated stylised fact:
In the past 300 years, countries have started the Demographic Transition at apprx similar income levels, but over time, transitions have been getting FASTER & SHORTER, so that later transitions end at lower income levels than earlier transitions
In the past 300 years, countries have started the Demographic Transition at apprx similar income levels, but over time, transitions have been getting FASTER & SHORTER, so that later transitions end at lower income levels than earlier transitions
July 13, 2025 at 2:13 PM
Likely underappreciated stylised fact:
In the past 300 years, countries have started the Demographic Transition at apprx similar income levels, but over time, transitions have been getting FASTER & SHORTER, so that later transitions end at lower income levels than earlier transitions
In the past 300 years, countries have started the Demographic Transition at apprx similar income levels, but over time, transitions have been getting FASTER & SHORTER, so that later transitions end at lower income levels than earlier transitions
Reposted by Yoan Wallois
In July's Environmental and Resource Economics: A long-standing question in regulation is the degree to which policy goals can be met through voluntary action rather than direct state intervention. Hyunseok Kim & GianCarlo Moschini cast new light on the issue. #EconSky
Emission Reduction by Voluntary Agreements: Oligopoly Market with Green Consumers - Environmental and Resource Economics
This paper evaluates the performance of voluntary agreements (VAs), relative to a tax or subsidy policy, as a way to reduce environmental pollution in an oligopoly context. The model is one of…
buff.ly
July 9, 2025 at 9:30 AM
In July's Environmental and Resource Economics: A long-standing question in regulation is the degree to which policy goals can be met through voluntary action rather than direct state intervention. Hyunseok Kim & GianCarlo Moschini cast new light on the issue. #EconSky
Reposted by Yoan Wallois
It turns out that a model based on @financialtimes.com journalism forecasts US inflation better than the Fed on.ft.com/4lp5y4O
FT sentiment and topic coverage predicts inflation
[FREE TO READ] Our macro mood index and topic attention helps anticipate where inflation is going
on.ft.com
July 9, 2025 at 8:57 AM
It turns out that a model based on @financialtimes.com journalism forecasts US inflation better than the Fed on.ft.com/4lp5y4O
Reposted by Yoan Wallois
🚨 How do exposure to extreme weather events and the subjective attribution of these events to climate change relate to climate policy support across the world? 🔥🌎
Find out more in our OA article published in Nature Climate Change 👇 1/7 🧵 www.nature.com/articles/s41...
Find out more in our OA article published in Nature Climate Change 👇 1/7 🧵 www.nature.com/articles/s41...
Extreme weather event attribution predicts climate policy support across the world - Nature Climate Change
Literature produced inconsistent findings regarding the links between extreme weather events and climate policy support across regions, populations and events. This global study offers a holistic asse...
www.nature.com
July 1, 2025 at 10:38 AM
🚨 How do exposure to extreme weather events and the subjective attribution of these events to climate change relate to climate policy support across the world? 🔥🌎
Find out more in our OA article published in Nature Climate Change 👇 1/7 🧵 www.nature.com/articles/s41...
Find out more in our OA article published in Nature Climate Change 👇 1/7 🧵 www.nature.com/articles/s41...
Reposted by Yoan Wallois
New Dataset Maps Losses from Natural Disasters to the County Level 1996-2023 via New York Fed libertystreeteconomics.newyorkfed.org/2025/07/new-...
July 2, 2025 at 7:02 AM
New Dataset Maps Losses from Natural Disasters to the County Level 1996-2023 via New York Fed libertystreeteconomics.newyorkfed.org/2025/07/new-...
Reposted by Yoan Wallois
A REMARKABLE JOURNEY: Not long ago, the UK’s power sector was the country’s largest source of carbon emissions.
Today, it has become the smallest emitter among all sectors.
Today, it has become the smallest emitter among all sectors.
July 1, 2025 at 7:40 AM
A REMARKABLE JOURNEY: Not long ago, the UK’s power sector was the country’s largest source of carbon emissions.
Today, it has become the smallest emitter among all sectors.
Today, it has become the smallest emitter among all sectors.
Reposted by Yoan Wallois
I've added a new graphic to my climate indicators page, which shows the Oceanic Niño Index (ONI) used for monitoring El Niño/La Niña conditions. I will update it each month at zacklabe.com/climate-chan....
This graphic was thanks to a follower request. Feel free to provide suggestions any time!
This graphic was thanks to a follower request. Feel free to provide suggestions any time!
June 28, 2025 at 8:39 PM
I've added a new graphic to my climate indicators page, which shows the Oceanic Niño Index (ONI) used for monitoring El Niño/La Niña conditions. I will update it each month at zacklabe.com/climate-chan....
This graphic was thanks to a follower request. Feel free to provide suggestions any time!
This graphic was thanks to a follower request. Feel free to provide suggestions any time!
Reposted by Yoan Wallois
Magnitude of current heatwave is incredible!
The forecast for tuesday shows an unprecedented area with temp. > 40°C 😱
Never before has it been so hot over such a large area (and so early!) 🔥
The vertigo of having to live like this for the rest of your life...
Data @meteofrance.com
The forecast for tuesday shows an unprecedented area with temp. > 40°C 😱
Never before has it been so hot over such a large area (and so early!) 🔥
The vertigo of having to live like this for the rest of your life...
Data @meteofrance.com
June 28, 2025 at 4:07 PM
Magnitude of current heatwave is incredible!
The forecast for tuesday shows an unprecedented area with temp. > 40°C 😱
Never before has it been so hot over such a large area (and so early!) 🔥
The vertigo of having to live like this for the rest of your life...
Data @meteofrance.com
The forecast for tuesday shows an unprecedented area with temp. > 40°C 😱
Never before has it been so hot over such a large area (and so early!) 🔥
The vertigo of having to live like this for the rest of your life...
Data @meteofrance.com
Reposted by Yoan Wallois
The International Energy Agency has launched an interactive map showing locations of #datacenters @iea.org and their estimated power needs.
Also useful map of major electrical grid lines and internet cables :) www.iea.org/data-and-sta...
#datavis #datascience
Also useful map of major electrical grid lines and internet cables :) www.iea.org/data-and-sta...
#datavis #datascience
June 25, 2025 at 6:54 AM
The International Energy Agency has launched an interactive map showing locations of #datacenters @iea.org and their estimated power needs.
Also useful map of major electrical grid lines and internet cables :) www.iea.org/data-and-sta...
#datavis #datascience
Also useful map of major electrical grid lines and internet cables :) www.iea.org/data-and-sta...
#datavis #datascience
Reposted by Yoan Wallois
🧠 A recent working paper from Enrico Moretti & Harrison Wheeler uses data on the construction of noise-barriers + home prices to quantify the economic cost of traffic noise – and offer insight into the benefits of #EV adoption. #econsky #policysky eml.berkeley.edu/~moretti/noi...
June 23, 2025 at 7:09 PM
🧠 A recent working paper from Enrico Moretti & Harrison Wheeler uses data on the construction of noise-barriers + home prices to quantify the economic cost of traffic noise – and offer insight into the benefits of #EV adoption. #econsky #policysky eml.berkeley.edu/~moretti/noi...
Reposted by Yoan Wallois
"Michael Field, chief European market strategist at Morningstar, said the shift from the United States to Europe was initially driven by valuations but increasingly has been fueled by a change in investor sentiment." #EconSky
Investors pull out of US stocks and into Europe and emerging markets reut.rs/3SM3aZa
Investors pull out of US stocks and into Europe and emerging markets
Global investors have moved money from U.S. equities and into European and emerging markets assets, as concerns mount over U.S. fiscal policy, rising debt and the risk that trade tariffs will trigger a recession.
reut.rs
June 11, 2025 at 1:16 PM
"Michael Field, chief European market strategist at Morningstar, said the shift from the United States to Europe was initially driven by valuations but increasingly has been fueled by a change in investor sentiment." #EconSky
Reposted by Yoan Wallois
Scoop: NOAA's climate portal, climate.gov, will soon no longer publish new content after its staff were recently dismissed.
Former staff fear that the website may become a mouthpiece for the administration's anti-science views.
My latest for @theguardian.com:
www.theguardian.com/us-news/2025...
Former staff fear that the website may become a mouthpiece for the administration's anti-science views.
My latest for @theguardian.com:
www.theguardian.com/us-news/2025...
Major US climate website likely to be shut down after almost all staff fired
Exclusive: Climate.gov, which supports public education on climate science, will soon no longer publish new content
www.theguardian.com
June 11, 2025 at 12:34 PM
Scoop: NOAA's climate portal, climate.gov, will soon no longer publish new content after its staff were recently dismissed.
Former staff fear that the website may become a mouthpiece for the administration's anti-science views.
My latest for @theguardian.com:
www.theguardian.com/us-news/2025...
Former staff fear that the website may become a mouthpiece for the administration's anti-science views.
My latest for @theguardian.com:
www.theguardian.com/us-news/2025...
Reposted by Yoan Wallois
Happy to see an update to this classic from the Wall Street Journal (Tynan DeBold, Dov Friedman), this time by @scientificdiscovery.dev and @spoonerf.bsky.social at @ourworldindata.org. 📊
New: a log chart, new colours and three relevant annotations.
Source: ourworldindata.org/measles-vacc...
New: a log chart, new colours and three relevant annotations.
Source: ourworldindata.org/measles-vacc...
May 19, 2025 at 7:12 PM
Happy to see an update to this classic from the Wall Street Journal (Tynan DeBold, Dov Friedman), this time by @scientificdiscovery.dev and @spoonerf.bsky.social at @ourworldindata.org. 📊
New: a log chart, new colours and three relevant annotations.
Source: ourworldindata.org/measles-vacc...
New: a log chart, new colours and three relevant annotations.
Source: ourworldindata.org/measles-vacc...
Reposted by Yoan Wallois
Reposted by Yoan Wallois
Alors même qu'elles ont de meilleurs résultats scolaires.
Et à l'âge adulte les gens font plus confiance à un homme médecin qui a obtenu 10/20 à son doctorat qu'à une femme qui a eu 15/20. 🤷♀️
Et à l'âge adulte les gens font plus confiance à un homme médecin qui a obtenu 10/20 à son doctorat qu'à une femme qui a eu 15/20. 🤷♀️
A partir de 5 ans, les filles pensent qu'elles ne pourront pas être présidente, astronaute, scientifique... A 7 ans, elle se croient moins intelligentes que les garçons. Elles reçoivent 3 fois moins de cadeaux liés à la science. Il y a + de recherches Google "mon fils est-il surdoué" que "ma fille".
May 16, 2025 at 8:34 AM
Alors même qu'elles ont de meilleurs résultats scolaires.
Et à l'âge adulte les gens font plus confiance à un homme médecin qui a obtenu 10/20 à son doctorat qu'à une femme qui a eu 15/20. 🤷♀️
Et à l'âge adulte les gens font plus confiance à un homme médecin qui a obtenu 10/20 à son doctorat qu'à une femme qui a eu 15/20. 🤷♀️
Reposted by Yoan Wallois
Scientists have been publishing climate models since ~1970.
A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes.
It turns out most models were pretty spot-on:
A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes.
It turns out most models were pretty spot-on:
May 14, 2025 at 11:23 PM
Scientists have been publishing climate models since ~1970.
A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes.
It turns out most models were pretty spot-on:
A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes.
It turns out most models were pretty spot-on:
Reposted by Yoan Wallois
My latest Forbes article is all about SUVs. Specifically, it delves into two new research papers - one from traffic engineering, and one from public health - that shows how these increasingly-popular (and increasingly large) vehicles come with major downsides 🧪
www.forbes.com/sites/laurie...
www.forbes.com/sites/laurie...
SUVs Make Traffic Worse And Are More Dangerous Than Cars
Two new research papers show the downsides of upsizing our vehicles. SUVs have a disproportionate impact on traffic jams, and they injure more people than cars
www.forbes.com
May 8, 2025 at 8:38 PM
My latest Forbes article is all about SUVs. Specifically, it delves into two new research papers - one from traffic engineering, and one from public health - that shows how these increasingly-popular (and increasingly large) vehicles come with major downsides 🧪
www.forbes.com/sites/laurie...
www.forbes.com/sites/laurie...
Reposted by Yoan Wallois
The new pope has called for turning climate words into climate action. Now that he's the most famous man in the world, Pope Leo XIV has the platform to help make that happen.
My column for @opinion.bloomberg.com
www.bloomberg.com/opinion/arti...
My column for @opinion.bloomberg.com
www.bloomberg.com/opinion/arti...
Pope Leo XIV Might Be the Climate Champion We Need
The new pontiff appears inclined to follow in his predecessor’s green footsteps.
www.bloomberg.com
May 8, 2025 at 7:24 PM
The new pope has called for turning climate words into climate action. Now that he's the most famous man in the world, Pope Leo XIV has the platform to help make that happen.
My column for @opinion.bloomberg.com
www.bloomberg.com/opinion/arti...
My column for @opinion.bloomberg.com
www.bloomberg.com/opinion/arti...