Jacobus Cilliers
@jacobuscilliers.bsky.social
South African development economist, focusing on education. Faculty at McCourt at Georgetown University. Website: https://sites.google.com/view/jacobuscilliers/home
Reposted by Jacobus Cilliers
Quite a week for LMIC ed research: a @voxdev.bsky.social lit on EdTech & a @geeap.bsky.social report on literacy interventions!
The fun continues next wk w/ a UNESCO mtg on the Science of Learning & our monthly @aefpweb.bsky.social EdDev mtg (more on this next week). www.unesco.org/en/articles/...
The fun continues next wk w/ a UNESCO mtg on the Science of Learning & our monthly @aefpweb.bsky.social EdDev mtg (more on this next week). www.unesco.org/en/articles/...
December 5, 2025 at 6:11 PM
Quite a week for LMIC ed research: a @voxdev.bsky.social lit on EdTech & a @geeap.bsky.social report on literacy interventions!
The fun continues next wk w/ a UNESCO mtg on the Science of Learning & our monthly @aefpweb.bsky.social EdDev mtg (more on this next week). www.unesco.org/en/articles/...
The fun continues next wk w/ a UNESCO mtg on the Science of Learning & our monthly @aefpweb.bsky.social EdDev mtg (more on this next week). www.unesco.org/en/articles/...
Reposted by Jacobus Cilliers
📢 Revolutions in computing have led to the rapid development and deployment of a new set of programmes to support student learning.
At our VoxDevLit launch event on December 4, @singhabhi.bsky.social will summarise evidence on education technology.
Register➡️ cepr-org.zoom.us/webinar/regi...
At our VoxDevLit launch event on December 4, @singhabhi.bsky.social will summarise evidence on education technology.
Register➡️ cepr-org.zoom.us/webinar/regi...
November 18, 2025 at 2:46 PM
📢 Revolutions in computing have led to the rapid development and deployment of a new set of programmes to support student learning.
At our VoxDevLit launch event on December 4, @singhabhi.bsky.social will summarise evidence on education technology.
Register➡️ cepr-org.zoom.us/webinar/regi...
At our VoxDevLit launch event on December 4, @singhabhi.bsky.social will summarise evidence on education technology.
Register➡️ cepr-org.zoom.us/webinar/regi...
Reposted by Jacobus Cilliers
"China is now making more money from exporting green technology than America makes from exporting fossil fuels. "
www.economist.com/leaders/2025...
www.economist.com/leaders/2025...
China’s clean-energy revolution will reshape markets and politics
The world’s biggest manufacturer now has an interest in the world decarbonising
www.economist.com
November 7, 2025 at 5:45 PM
"China is now making more money from exporting green technology than America makes from exporting fossil fuels. "
www.economist.com/leaders/2025...
www.economist.com/leaders/2025...
Reposted by Jacobus Cilliers
CGD is hiring! We're searching for a Research Analyst for the Education and Child Well-being program.
The Research Analyst will perform a range of project research, data analysis, and more related to the various workstreams of the program,
Apply here!
https://go.cgdev.org/47sQbUp
The Research Analyst will perform a range of project research, data analysis, and more related to the various workstreams of the program,
Apply here!
https://go.cgdev.org/47sQbUp
Research Analyst - Global Education & Child Well-being - Center for Global Development - Career Page
Apply to Research Analyst - Global Education & Child Well-being at Center for Global Development in Washington, DC.
go.cgdev.org
November 5, 2025 at 11:47 PM
CGD is hiring! We're searching for a Research Analyst for the Education and Child Well-being program.
The Research Analyst will perform a range of project research, data analysis, and more related to the various workstreams of the program,
Apply here!
https://go.cgdev.org/47sQbUp
The Research Analyst will perform a range of project research, data analysis, and more related to the various workstreams of the program,
Apply here!
https://go.cgdev.org/47sQbUp
Reposted by Jacobus Cilliers
As the world seeks to integrate AI into teacher professional development, let's not forget lessons from previous ed-tech experiments. www.sciencedirect.com/science/arti... Teachers used the tablets (for virtual coaching) less and less over time.
by @jacobuscilliers.bsky.social et al
by @jacobuscilliers.bsky.social et al
October 24, 2025 at 12:28 AM
As the world seeks to integrate AI into teacher professional development, let's not forget lessons from previous ed-tech experiments. www.sciencedirect.com/science/arti... Teachers used the tablets (for virtual coaching) less and less over time.
by @jacobuscilliers.bsky.social et al
by @jacobuscilliers.bsky.social et al
Reposted by Jacobus Cilliers
Wow. This is the paper I have been waiting for. Mobile apps are brain rot, with meaningfully bad economic consequences for those who overuse them.
Recently accepted by #QJE, “Digital Distractions with Peer Influence: The Impact of Mobile App Usage on Academic and Labor Market Outcomes,” by Barwick, Chen, Fu, and Li: doi.org/10.1093/qje/...
Digital Distractions with Peer Influence: The Impact of Mobile App Usage on Academic and Labor Market Outcomes*
Abstract. Concerns about excessive mobile phone use among youth are mounting. We present estimates of both behavioral and contextual peer effects, along wi
doi.org
October 17, 2025 at 3:21 PM
Wow. This is the paper I have been waiting for. Mobile apps are brain rot, with meaningfully bad economic consequences for those who overuse them.
Reposted by Jacobus Cilliers
Male internal migration in India expands women’s roles and increases their political engagement by easing day-to-day restrictions even in the absence of their financial empowerment.
Read today's article to learn more:
Read today's article to learn more:
October 15, 2025 at 2:22 PM
Male internal migration in India expands women’s roles and increases their political engagement by easing day-to-day restrictions even in the absence of their financial empowerment.
Read today's article to learn more:
Read today's article to learn more:
Reposted by Jacobus Cilliers
📆 As stakeholders gather for this year's IMF and World Bank #AnnualMeetings, CGD is hosting crucial discussions with leading global development experts, policymakers, and more.
Starting Oct. 14. Learn more about the events and sign up ⬇️
bit.ly/48rfver
Starting Oct. 14. Learn more about the events and sign up ⬇️
bit.ly/48rfver
October 1, 2025 at 5:40 PM
📆 As stakeholders gather for this year's IMF and World Bank #AnnualMeetings, CGD is hosting crucial discussions with leading global development experts, policymakers, and more.
Starting Oct. 14. Learn more about the events and sign up ⬇️
bit.ly/48rfver
Starting Oct. 14. Learn more about the events and sign up ⬇️
bit.ly/48rfver
Reposted by Jacobus Cilliers
Reposted by Jacobus Cilliers
We're hiring a research associate or research manager for a project in the DRC! This is a great opportunity for anyone who is interested in gaining very hands-on research and work experience in a low-income country in partnership with the local government. Also a great preparation for a PhD.
September 20, 2025 at 7:11 PM
We're hiring a research associate or research manager for a project in the DRC! This is a great opportunity for anyone who is interested in gaining very hands-on research and work experience in a low-income country in partnership with the local government. Also a great preparation for a PhD.
Reposted by Jacobus Cilliers
Restricting visas doesn’t lead to hiring non-immigrants—it leads to hiring foreigners. For every H-1B visa rejection, multinationals add ~0.4–0.9 foreign employees, especially in R&D hubs like India, China, and Canada.
via @florianederer.bsky.social
via @florianederer.bsky.social
September 20, 2025 at 9:04 PM
Restricting visas doesn’t lead to hiring non-immigrants—it leads to hiring foreigners. For every H-1B visa rejection, multinationals add ~0.4–0.9 foreign employees, especially in R&D hubs like India, China, and Canada.
via @florianederer.bsky.social
via @florianederer.bsky.social
Reposted by Jacobus Cilliers
Fearful Americans Stockpiling Facts Before Federal Government Comes To Take Them Away https://theonion.com/fearful-americans-stockpiling-facts-before-federal-gove-1819579589/
September 19, 2025 at 2:00 PM
Fearful Americans Stockpiling Facts Before Federal Government Comes To Take Them Away https://theonion.com/fearful-americans-stockpiling-facts-before-federal-gove-1819579589/
Reposted by Jacobus Cilliers
🔔 DIME is hiring 🔔
Our fall recruitment drive is now live until October 2. Looking for RAs and Field Coordinators - 16 positions open.
Apply here: datanalytics.worldbank.org/dime-recruit...
I can’t provide individual guidance to applicants, all the info is available in the link.
Our fall recruitment drive is now live until October 2. Looking for RAs and Field Coordinators - 16 positions open.
Apply here: datanalytics.worldbank.org/dime-recruit...
I can’t provide individual guidance to applicants, all the info is available in the link.
Streamlit
datanalytics.worldbank.org
September 16, 2025 at 3:08 PM
🔔 DIME is hiring 🔔
Our fall recruitment drive is now live until October 2. Looking for RAs and Field Coordinators - 16 positions open.
Apply here: datanalytics.worldbank.org/dime-recruit...
I can’t provide individual guidance to applicants, all the info is available in the link.
Our fall recruitment drive is now live until October 2. Looking for RAs and Field Coordinators - 16 positions open.
Apply here: datanalytics.worldbank.org/dime-recruit...
I can’t provide individual guidance to applicants, all the info is available in the link.
Reposted by Jacobus Cilliers
The proposed FY26 budget for the State Dept’s Contributions to International Organizations leaves only seven out of 46 organizations for funding.💰📉
@charlesjkenny.bsky.social discusses what the cuts mean for US engagement in the UN, WTO, OECD, and more:
https://bit.ly/3VN9dhs
@charlesjkenny.bsky.social discusses what the cuts mean for US engagement in the UN, WTO, OECD, and more:
https://bit.ly/3VN9dhs
US Funding of International Organizations Has Collapsed
The US Administration has made no secret of its intention to considerably reduce America’s engagement with international organizations. It has already announced withdrawal from the World Health Organi...
bit.ly
September 16, 2025 at 7:42 PM
The proposed FY26 budget for the State Dept’s Contributions to International Organizations leaves only seven out of 46 organizations for funding.💰📉
@charlesjkenny.bsky.social discusses what the cuts mean for US engagement in the UN, WTO, OECD, and more:
https://bit.ly/3VN9dhs
@charlesjkenny.bsky.social discusses what the cuts mean for US engagement in the UN, WTO, OECD, and more:
https://bit.ly/3VN9dhs
Reposted by Jacobus Cilliers
When children age out of childcare in Peru, their mothers' mental health declines. repositorio.pucp.edu.pe/server/api/c...
September 8, 2025 at 11:03 PM
When children age out of childcare in Peru, their mothers' mental health declines. repositorio.pucp.edu.pe/server/api/c...
Reposted by Jacobus Cilliers
Extreme weather and the green transition are reshaping global conflict. Evidence on this trend explores how policy can respond.
Read today's article to learn more:
Read today's article to learn more:
🆕 Climate change, natural resources, and conflict: Navigating a complex nexus
Today on VoxDev, Oliver Vanden Eynde (@pse.bsky.social) & @jvargas.bsky.social (Collegio Carlo Alberto) discuss how extreme weather and the green transition are reshaping global conflict: voxdev.org/topic/energy...
Today on VoxDev, Oliver Vanden Eynde (@pse.bsky.social) & @jvargas.bsky.social (Collegio Carlo Alberto) discuss how extreme weather and the green transition are reshaping global conflict: voxdev.org/topic/energy...
Climate change, natural resources, and conflict: Navigating a complex nexus
Extreme weather and the green transition are reshaping global conflict. We summarise the evidence on this trend and explore how policy can respond.
voxdev.org
September 2, 2025 at 2:29 PM
Extreme weather and the green transition are reshaping global conflict. Evidence on this trend explores how policy can respond.
Read today's article to learn more:
Read today's article to learn more:
Reposted by Jacobus Cilliers
Reviewing interventions to prevent school violence against children w/ disabilities, @daveevansphd.bsky.social & @gsmarrelli.bsky.social find:
1️⃣ Most evidence is on peer violence
2️⃣ Children w/ disabilities face much higher risk
3️⃣ Few studies track impact for them
More:
https://bit.ly/3Jwxiq5
1️⃣ Most evidence is on peer violence
2️⃣ Children w/ disabilities face much higher risk
3️⃣ Few studies track impact for them
More:
https://bit.ly/3Jwxiq5
Three Lessons from a Review on School Violence Against Children with Disabilities
Violence against children in schools is all too common, and beyond being a violation of children’s basic rights, it adversely affects their learning and life outcomes. We still know too little about h...
bit.ly
September 2, 2025 at 4:42 PM
Reviewing interventions to prevent school violence against children w/ disabilities, @daveevansphd.bsky.social & @gsmarrelli.bsky.social find:
1️⃣ Most evidence is on peer violence
2️⃣ Children w/ disabilities face much higher risk
3️⃣ Few studies track impact for them
More:
https://bit.ly/3Jwxiq5
1️⃣ Most evidence is on peer violence
2️⃣ Children w/ disabilities face much higher risk
3️⃣ Few studies track impact for them
More:
https://bit.ly/3Jwxiq5
Reposted by Jacobus Cilliers
Higher education played a key role in Southeast Asia’s long-run development – much earlier than most policy accounts and research suggest.
Read today's article to learn more:
Read today's article to learn more:
August 19, 2025 at 4:00 PM
Higher education played a key role in Southeast Asia’s long-run development – much earlier than most policy accounts and research suggest.
Read today's article to learn more:
Read today's article to learn more:
Reposted by Jacobus Cilliers
Really useful resource for RAs and others interested in doing field work in international settings, or any rigorous empirical work in social sciences
@poverty-action.bsky.social just launched the IPA Knowledge Hub
data.poverty-action.org
@poverty-action.bsky.social just launched the IPA Knowledge Hub
data.poverty-action.org
August 19, 2025 at 10:44 PM
Really useful resource for RAs and others interested in doing field work in international settings, or any rigorous empirical work in social sciences
@poverty-action.bsky.social just launched the IPA Knowledge Hub
data.poverty-action.org
@poverty-action.bsky.social just launched the IPA Knowledge Hub
data.poverty-action.org
Reposted by Jacobus Cilliers
🆕 How serfdom hardwired extractive institutions into the Russian economy
Today on VoxDev w/ @andreamatranga.bsky.social (University of Turin) & @timurnatkhov.bsky.social (Higher School of Economics): voxdev.org/topic/instit...
Today on VoxDev w/ @andreamatranga.bsky.social (University of Turin) & @timurnatkhov.bsky.social (Higher School of Economics): voxdev.org/topic/instit...
How serfdom hardwired extractive institutions into the Russian economy
Unlike Western Europe, Russia entrenched serfdom as an extractive institution rooted in frontier defence, as opposed to fundamentals such as land abundance and trade. To secure its southern border, th...
voxdev.org
July 31, 2025 at 9:11 AM
🆕 How serfdom hardwired extractive institutions into the Russian economy
Today on VoxDev w/ @andreamatranga.bsky.social (University of Turin) & @timurnatkhov.bsky.social (Higher School of Economics): voxdev.org/topic/instit...
Today on VoxDev w/ @andreamatranga.bsky.social (University of Turin) & @timurnatkhov.bsky.social (Higher School of Economics): voxdev.org/topic/instit...
Reposted by Jacobus Cilliers
Palestinian children have been killed at a rate of more than one child per hour during Israel's war in Gaza.
“A whole classroom of children killed every day for nearly two years,” UNICEF’s executive director said.
Here are some of their stories: wapo.st/3UCiAjn
“A whole classroom of children killed every day for nearly two years,” UNICEF’s executive director said.
Here are some of their stories: wapo.st/3UCiAjn
July 31, 2025 at 4:06 PM
Palestinian children have been killed at a rate of more than one child per hour during Israel's war in Gaza.
“A whole classroom of children killed every day for nearly two years,” UNICEF’s executive director said.
Here are some of their stories: wapo.st/3UCiAjn
“A whole classroom of children killed every day for nearly two years,” UNICEF’s executive director said.
Here are some of their stories: wapo.st/3UCiAjn
This is very important work. More and more studies are showing the lifetime benefits of foundational literacy and numeracy skills.
📚📊 NEW @cgdev.org RESEARCH: Children who master basic reading and math in primary school earn significantly more as adults. Evidence that foundational literacy and numeracy skills have real economic returns throughout life.
July 16, 2025 at 4:16 PM
This is very important work. More and more studies are showing the lifetime benefits of foundational literacy and numeracy skills.
Reposted by Jacobus Cilliers
🆕 Strengthening bureaucrat incentives can curb crop burning and save lives in India and Pakistan
Today on VoxDev w/ @gemmadipoppa.bsky.social (@columbiauniversity.bsky.social) & @saadgulzar.bsky.social (@notredame.bsky.social): voxdev.org/topic/energy...
Today on VoxDev w/ @gemmadipoppa.bsky.social (@columbiauniversity.bsky.social) & @saadgulzar.bsky.social (@notredame.bsky.social): voxdev.org/topic/energy...
Strengthening bureaucrat incentives can curb crop burning and save lives in India and Pakistan
Evidence from India and Pakistan shows that harnessing district officials’ local pollution incentives reduces crop fires by up to 14.5% and deters burns by a further 13%, significantly lowering infant...
voxdev.org
July 15, 2025 at 9:25 AM
🆕 Strengthening bureaucrat incentives can curb crop burning and save lives in India and Pakistan
Today on VoxDev w/ @gemmadipoppa.bsky.social (@columbiauniversity.bsky.social) & @saadgulzar.bsky.social (@notredame.bsky.social): voxdev.org/topic/energy...
Today on VoxDev w/ @gemmadipoppa.bsky.social (@columbiauniversity.bsky.social) & @saadgulzar.bsky.social (@notredame.bsky.social): voxdev.org/topic/energy...
Reposted by Jacobus Cilliers
How can the CSAE Visiting Fellowship scheme help you with your research?
We asked Nompumelelo Mohohlwane, Researcher at the Department for Basic Education in South Africa, to tell us about how her time as a CSAE Fellow helped with her work for the Ministry.
Watch👇
We asked Nompumelelo Mohohlwane, Researcher at the Department for Basic Education in South Africa, to tell us about how her time as a CSAE Fellow helped with her work for the Ministry.
Watch👇
CSAE Visiting Fellows 2025 - Nompumelelo Nyathi-Mohohlwane
Nompumelelo Nyathi-Mohohlwane (Researcher at the National Department of Basic Education in South Africa) was a CSAE Visiting Fellow in 2025. We talked to Nom...
www.youtube.com
May 21, 2025 at 8:01 AM
How can the CSAE Visiting Fellowship scheme help you with your research?
We asked Nompumelelo Mohohlwane, Researcher at the Department for Basic Education in South Africa, to tell us about how her time as a CSAE Fellow helped with her work for the Ministry.
Watch👇
We asked Nompumelelo Mohohlwane, Researcher at the Department for Basic Education in South Africa, to tell us about how her time as a CSAE Fellow helped with her work for the Ministry.
Watch👇
Reposted by Jacobus Cilliers
Blog: Thinking Through Waste, Fraud and Corruption in US Foreign Assistance.
▪️No evidence of widespread fraud or corruption
▪️Inefficiencies mainly driven by domestic politics
▪️Some programs do fail to deliver hoped for outcomes but most are awesomely successful.
www.cgdev.org/blog/thinkin...
▪️No evidence of widespread fraud or corruption
▪️Inefficiencies mainly driven by domestic politics
▪️Some programs do fail to deliver hoped for outcomes but most are awesomely successful.
www.cgdev.org/blog/thinkin...
Thinking Through Waste, Fraud and Corruption in US Foreign Assistance
The US Administration has presented a weak case for its argument that US foreign assistance was so riddled with abuse and fraud that the only answer was to shut down USAID and reboot. The lists of ter...
www.cgdev.org
March 21, 2025 at 2:59 PM
Blog: Thinking Through Waste, Fraud and Corruption in US Foreign Assistance.
▪️No evidence of widespread fraud or corruption
▪️Inefficiencies mainly driven by domestic politics
▪️Some programs do fail to deliver hoped for outcomes but most are awesomely successful.
www.cgdev.org/blog/thinkin...
▪️No evidence of widespread fraud or corruption
▪️Inefficiencies mainly driven by domestic politics
▪️Some programs do fail to deliver hoped for outcomes but most are awesomely successful.
www.cgdev.org/blog/thinkin...