Niklas Jakobsson
@nikljako.bsky.social
Professor at Karlstad Business School, Karlstad University. Interested in dollars, health, and crime.
Kom och jobba med mig i Karlstad!
Universitetslektor i nationalekonomi
Beskrivning Anställningen som universitetslektor i nationalekonomi är placerad på Handelshögskolan vid Karlstads universitet. Handelshögskolan vid Karlstads universitet (Karlstad Business School)
kau.varbi.com
December 23, 2025 at 6:29 AM
Kom och jobba med mig i Karlstad!
Reposted by Niklas Jakobsson
🚨 Our comment on Begum, Grossman & Islam (2018) is now out in Demography @readdemography.bsky.social (w/ @carlbonander.bsky.social, Bensch, @nikljako.bsky.social & Brodeur @i4replication.bsky.social): doi.org/10.1215/0070...
A Commentary on “Gender Bias in Parental Attitude: An Experimental Approach” by Begum, Grossman, and Islam (2018) | Demography | Duke University Press
doi.org
December 5, 2025 at 9:43 PM
🚨 Our comment on Begum, Grossman & Islam (2018) is now out in Demography @readdemography.bsky.social (w/ @carlbonander.bsky.social, Bensch, @nikljako.bsky.social & Brodeur @i4replication.bsky.social): doi.org/10.1215/0070...
Reposted by Niklas Jakobsson
Dagens utdelning från Vetenskapsrådet (VR) till Sveriges nationalekonomer, endast två anslag om totalt 12 miljoner kronor.
Så inget trendbrott jämfört med Olles och min granskning.
www.tidningencurie.se/debatt/missg...
Så inget trendbrott jämfört med Olles och min granskning.
www.tidningencurie.se/debatt/missg...
Missgynnar Vetenskapsrådet ekonomiämnena? | Tidningen Curie
Ekonomiämnena har en lägre beviljandegrad än både statsvetenskap och sociologi och missgynnas när Vetenskapsrådet bedömer ansökningar. Det menar Olle Hammar och Erik Mohlin, efter att ha gått igenom s...
www.tidningencurie.se
November 3, 2025 at 2:54 PM
Dagens utdelning från Vetenskapsrådet (VR) till Sveriges nationalekonomer, endast två anslag om totalt 12 miljoner kronor.
Så inget trendbrott jämfört med Olles och min granskning.
www.tidningencurie.se/debatt/missg...
Så inget trendbrott jämfört med Olles och min granskning.
www.tidningencurie.se/debatt/missg...
Reposted by Niklas Jakobsson
#GDRI_rep Update 9: We have been waiting a couple of months to make two announcements. A few journals were in the process of retracting GDRI article. The editors informed the authors and then lawyers got involved. Who knows how long it will take.
October 30, 2025 at 1:41 PM
#GDRI_rep Update 9: We have been waiting a couple of months to make two announcements. A few journals were in the process of retracting GDRI article. The editors informed the authors and then lawyers got involved. Who knows how long it will take.
Reposted by Niklas Jakobsson
🚨 Our comment on Begum, Grossman & Islam (2018) in @readdemography.bsky.social is now available as an @i4replication.bsky.social working paper (w/ @carlbonander.bsky.social, @nikljako.bsky.social, Bensch & Brodeur). Read it here 👉 www.econstor.eu/bitstream/10...
October 10, 2025 at 1:31 PM
🚨 Our comment on Begum, Grossman & Islam (2018) in @readdemography.bsky.social is now available as an @i4replication.bsky.social working paper (w/ @carlbonander.bsky.social, @nikljako.bsky.social, Bensch & Brodeur). Read it here 👉 www.econstor.eu/bitstream/10...
Reposted by Niklas Jakobsson
#GDRI_rep Update 8a: Major updates coming up over the next few weeks.
1st update: We reproduced "Parent–teacher meetings and student outcomes" some time ago. The paper was then retracted by the editors of the Euro Econ Rev.
Additional studies are connected (see diagram)
🧵
1st update: We reproduced "Parent–teacher meetings and student outcomes" some time ago. The paper was then retracted by the editors of the Euro Econ Rev.
Additional studies are connected (see diagram)
🧵
August 27, 2025 at 3:33 PM
#GDRI_rep Update 8a: Major updates coming up over the next few weeks.
1st update: We reproduced "Parent–teacher meetings and student outcomes" some time ago. The paper was then retracted by the editors of the Euro Econ Rev.
Additional studies are connected (see diagram)
🧵
1st update: We reproduced "Parent–teacher meetings and student outcomes" some time ago. The paper was then retracted by the editors of the Euro Econ Rev.
Additional studies are connected (see diagram)
🧵
Reposted by Niklas Jakobsson
🚨 REPLICATION REPORT UPDATE: One year ago, a tweet by John Holbein alerted me, @ollefolke.bsky.social, and @jopieboy.bsky.social to a paper with a shocking result about Sweden’s law criminalizing the purchase of sex.🧵
May 9, 2025 at 9:29 AM
🚨 REPLICATION REPORT UPDATE: One year ago, a tweet by John Holbein alerted me, @ollefolke.bsky.social, and @jopieboy.bsky.social to a paper with a shocking result about Sweden’s law criminalizing the purchase of sex.🧵
Reposted by Niklas Jakobsson
A re-analysis of Ciacci's (2024) "Banning the purchase of sex increases cases of rape: Evidence from Sweden" Journal of Population Economics reveals major issues. A year ago, reproducers Adema, Folke, and Rickne found coding errors driving the paper's key results. Let's unpack this in a 🧵
May 9, 2025 at 12:21 PM
A re-analysis of Ciacci's (2024) "Banning the purchase of sex increases cases of rape: Evidence from Sweden" Journal of Population Economics reveals major issues. A year ago, reproducers Adema, Folke, and Rickne found coding errors driving the paper's key results. Let's unpack this in a 🧵
Reposted by Niklas Jakobsson
A Bangladesh-based organization focused on development economics and its founder have been churning out papers filled with misstatements, inconsistencies, ethical lapses and “statistically improbable data,” according to researchers involved in an ongoing effort to replicate the work.
Replication probe finds ‘statistically improbable data’ tied to institute in Bangladesh
Asad Islam A Bangladesh-based organization focused on development economics and its founder have been churning out papers filled with misstatements, inconsistencies, ethical lapses and “statistical…
retractionwatch.com
April 11, 2025 at 2:02 PM
A Bangladesh-based organization focused on development economics and its founder have been churning out papers filled with misstatements, inconsistencies, ethical lapses and “statistically improbable data,” according to researchers involved in an ongoing effort to replicate the work.
Fantastic coauthors made this forensic data investigation fire!
Great to see our comment now available online in the European Economic Review! (w/ @carlbonander.bsky.social, @nikljako.bsky.social, @flxhlzmstr.bsky.social, Gunther Bensch & Abel Brodeur @i4replication.bsky.social) 🙌
“Try to balance the baseline”: A comment on “parent-teacher meetings and student outcomes: Evidence from a developing country” by Islam (2019)
Islam (2019) reports results from a randomized field experiment in Bangladesh that examines the effects of parent-teacher meetings on student test sco…
www.sciencedirect.com
April 4, 2025 at 7:42 AM
Fantastic coauthors made this forensic data investigation fire!
Reposted by Niklas Jakobsson
The original paper is now retracted and our comment accepted for publication in the European Economic Review 🔥
March 27, 2025 at 10:51 PM
The original paper is now retracted and our comment accepted for publication in the European Economic Review 🔥
I am very happy that the editors took our report seriously. Hope more retractions will follow.
#GDRI_rep Update 7: Retraction! Our comment of "Parent–teacher meetings and student outcomes: Evidence from a developing country" has led to the paper being retracted. Our comment is accepted as is.
Short 🧵
Short 🧵
March 27, 2025 at 9:52 PM
I am very happy that the editors took our report seriously. Hope more retractions will follow.
Reposted by Niklas Jakobsson
#GDRI_rep Update 6: Some of the authors have responded to our report on "Raising Health Awareness in Rural Communities" @ The Review of Economics and Statistics. Authors received our report Feb 6. A short 🧵
March 25, 2025 at 12:05 PM
#GDRI_rep Update 6: Some of the authors have responded to our report on "Raising Health Awareness in Rural Communities" @ The Review of Economics and Statistics. Authors received our report Feb 6. A short 🧵
Some would probably say it is impossible. Or maybe everyone?
This gem is hidden in the response to the response. ”…within a few hours and under extreme time pressure 11,843 households were visited and 22,686 respondents interviewed (two spouses in each household).” Indeed hard to believe 🫠
March 15, 2025 at 10:13 AM
Some would probably say it is impossible. Or maybe everyone?
Reposted by Niklas Jakobsson
This gem is hidden in the response to the response. ”…within a few hours and under extreme time pressure 11,843 households were visited and 22,686 respondents interviewed (two spouses in each household).” Indeed hard to believe 🫠
March 15, 2025 at 9:37 AM
This gem is hidden in the response to the response. ”…within a few hours and under extreme time pressure 11,843 households were visited and 22,686 respondents interviewed (two spouses in each household).” Indeed hard to believe 🫠
Reposted by Niklas Jakobsson
Since we started mass reproducing GDRI, we have requested several replication packages. We have not managed to get a single new replication package as of today (excluding updated packages for one article at the request of editors).
March 14, 2025 at 1:25 PM
Since we started mass reproducing GDRI, we have requested several replication packages. We have not managed to get a single new replication package as of today (excluding updated packages for one article at the request of editors).
Reposted by Niklas Jakobsson
#GDRI_rep Update 5: We have a new report. We reproduced the paper entitled "Partisan Effects of Information Campaigns in Competitive Authoritarian Elections: Evidence from Bangladesh" by Ahmed, Hodler and Islam published at the Economic Journal. See below for links to report and authors' responses.
March 14, 2025 at 1:25 PM
#GDRI_rep Update 5: We have a new report. We reproduced the paper entitled "Partisan Effects of Information Campaigns in Competitive Authoritarian Elections: Evidence from Bangladesh" by Ahmed, Hodler and Islam published at the Economic Journal. See below for links to report and authors' responses.
Bli min kollega! Denna gång söker vi en statistiker (eller liknande) som gärna får jobba både i nationalekonomi och statistik.
Universitetslektor i statistik
Beskrivning Handelshögskolan vid Karlstads universitet (Karlstad Business School) grundades år 2009 och består av arbetsvetenskap, företagsekonomi, informatik, juridik, nationalekonomi och statist
kau.varbi.com
March 13, 2025 at 7:20 PM
Bli min kollega! Denna gång söker vi en statistiker (eller liknande) som gärna får jobba både i nationalekonomi och statistik.
Reposted by Niklas Jakobsson
In a new @i4replication.bsky.social report we replicate Islam (2019). Main issue: the randomized controlled trial was not randomized. And many other things on top of that. See full report for details. (w/ @carlbonander.bsky.social, @nikljako.bsky.social, @flxhlzmstr.bsky.social, Bensch & Brodeur)
#GDRI_rep Update 4: We have a new report. We reproduced the paper entitled "Parent–teacher meetings and student outcomes" by Islam @ European Economic Review. See below for links to report and author's response.
March 11, 2025 at 6:56 PM
In a new @i4replication.bsky.social report we replicate Islam (2019). Main issue: the randomized controlled trial was not randomized. And many other things on top of that. See full report for details. (w/ @carlbonander.bsky.social, @nikljako.bsky.social, @flxhlzmstr.bsky.social, Bensch & Brodeur)
Reposted by Niklas Jakobsson
#GDRI_rep Update 4: We have a new report. We reproduced the paper entitled "Parent–teacher meetings and student outcomes" by Islam @ European Economic Review. See below for links to report and author's response.
March 11, 2025 at 5:12 PM
#GDRI_rep Update 4: We have a new report. We reproduced the paper entitled "Parent–teacher meetings and student outcomes" by Islam @ European Economic Review. See below for links to report and author's response.
Reposted by Niklas Jakobsson
#GDRI_rep Update 3: The paper "Improving Hygiene and Sanitation through Parental Skill Training" by Asadul Islam, Umair Khalil and Tabassum Rahman was conditionally accepted at Economic Development and Cultural Change. We requested a replication package. It has now been withdrawn
March 9, 2025 at 9:05 PM
#GDRI_rep Update 3: The paper "Improving Hygiene and Sanitation through Parental Skill Training" by Asadul Islam, Umair Khalil and Tabassum Rahman was conditionally accepted at Economic Development and Cultural Change. We requested a replication package. It has now been withdrawn