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Peter Fallesen

@pfallesen.bsky.social

620 followers 670 following 74 posts

Research Professor. I study bad stuff in families. ROCKWOOL Foundation and Stockholm University. AE at EJP and ESR. President of the Danish Demographic Society. Florence-based (together with Ann and Augusta). www.peterfallesen.com .. more

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Psychology 26%

Political science 20%

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Peter Fallesen @pfallesen.bsky.social · 8d

bsky.app/profile/ryom...

Ryohei Mogi @ryomogi.bsky.social · Sep 9

Do you know year of Fire Horse? And do you know the total fertility rate dropped 26% in the last fire horse year in Japan?

My new blog post explains how the superstition changed fertility pattern in the last Fire Horse Years (1906, 1966) in Japan.

2026 will be Fire Horse...

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Reposted by David Peetz, Karen Benjamin Guzzo, Peter Fallesen

Zach Parolin @zparolin.bsky.social · 10d

New WP: We study how minimum wage increases affect poverty and food hardship in the U.S from 1981-2019. Different from recent work, we study the Supplemental Poverty Measure + two measures of food hardship, factor in cost-of-living differences, and more. www.iza.org/publications...

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Reposted by Fabrizio Bernardi, Peter Fallesen

European Sociological Review @europeansocreview.bsky.social · 27d

🚀✨The Editorial Board of ESR is growing!

We’re happy to welcome PeterFallesen @pfallesen.bsky.social

( ROCKWOOL Foundation, Denmark) as a new Associate Editor!!

We are thrilled to welcome Peter to the Editorial Board and look forward to working together!

academic.oup.com/esr/pages/Ed...

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Reposted by Philip N. Cohen, Peter Fallesen, Baptiste Coulmont

Ryohei Mogi @ryomogi.bsky.social · Sep 9

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Peter Fallesen @pfallesen.bsky.social · Sep 8

I’ll be at the pre-conference workshop on Tuesday

Reposted by Mark J. Brandt, Jo Barraket, Willem de Koster , and 2 more Mark J. Brandt, Jo Barraket, Willem de Koster, Patrick Präg, Peter Fallesen

Katya Ivanova 🟥 @katyaoivanova.bsky.social · Sep 8

Our #Sociology department is looking for an #AssistantProfessor in the field of Social Inequality (with the possibility for a permanent contract).

www.academictransfer.com/en/jobs/3546...

@sociologytiu.bsky.social @tilburg-university.bsky.social @academic-chatter.bsky.social #academicjobs

Universitair Docent in de Sociologie van Sociale Ongelijkheid

Tilburg University | Tilburg School of Social and Behavioral Sciences is op zoek naar een Universitair Docent in de Sociologie van Sociale Ongelijkheid, Departement Sociologie, locatie Tilburg.

www.academictransfer.com

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Reposted by Emilio Zagheni, Peter Fallesen

Max Planck Institute for Demographic Research (MPIDR) @mpidr.bsky.social · Sep 8

🚨Job Offer🚨PhD Student Position
The @lshtm.bsky.social, in partnership with the @mpidr.bsky.social is opening an 18-month Research Assistant position, with the successful candidate embarking on a PhD program at LSHTM.
www.demogr.mpg.de/en/career_61...
@ezagheni.bsky.social #phd #jobs #demography

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Reposted by Peter Fallesen

Eleonora Mussino @mussino.bsky.social · Sep 5

Bologna is calling

EAPS.nl | Call for Submissions

EAPS.nl

www.eaps.nl

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Reposted by Peter Fallesen

Signe Svallfors @signesvallfors.bsky.social · Sep 4

PhD studentship with quantitative focus: su.varbi.com/en/what:job/...

su.varbi.com

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Reposted by Karen Benjamin Guzzo, Martin Kreidl, Patrick Präg , and 1 more Karen Benjamin Guzzo, Martin Kreidl, Patrick Präg, Peter Fallesen

Sociology at Oxford @sociologyoxford.bsky.social · Aug 20

🚨 New Job Alert! 🚨

Join Dr @ewabatyra.bsky.social as a Postdoc Researcher in Demography!

Contribute to a global study on disparities in reproductive behaviour, focusing on childbearing age & fertility levels 👨‍👩‍👦‍👦

Apply now 👉 www.sociology.ox.ac.uk/event/postdo...

We're hiring: Postdoctoral Researcher in Demography, deadline: 30 September 2025

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Reposted by Judith N. Shklar, Christopher J. Sullivan, Markus Klein , and 4 more Judith N. Shklar, Christopher J. Sullivan, Markus Klein, Marta Kołczyńska, Patrick Präg, Marco Albertini, Peter Fallesen

Alba Lanau @albalanau.bsky.social · Aug 18

Soon to open offer for a *funded* PhD to study child poverty dynamics at @demosocupf.bsky.social @upf.edu If you have an interest in quantitative methods, social policy and child poverty this may be for you! Feel free to reach out for enquiries

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Peter Fallesen @pfallesen.bsky.social · Aug 14

Helt enig

Peter Fallesen @pfallesen.bsky.social · Aug 14

Nok for tidligt at konkludere, men vi må forvente en stigning inden for en årrække når den del af faldet, der skyldes udsættelse pga øget uddannelsesoptag blandt yngre kvinder, begynder at blive indhentet

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Reposted by David M. Farrell, Maarten Vink, Peter Fallesen

Simon Hix @simonhix.bsky.social · Aug 11

This is a fabulous response by my colleague Kevin Munger to "that" Economist piece about the EUI.

Perhaps @spignal.bsky.social and @jhooper.bsky.social might be interested!

kevinmunger.substack.com/p/i-guess-th...

I guess that makes me...Horace Slughorn?

or maybe the centaur named "Firenze"

kevinmunger.substack.com

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Peter Fallesen @pfallesen.bsky.social · Aug 7

New albums from The Armed and from Alex G both been in high rotation in my headphones

Reposted by Rebecca Sear, Martin Kreidl, Patrick Präg , and 1 more Rebecca Sear, Martin Kreidl, Patrick Präg, Peter Fallesen

Ryohei Mogi @ryomogi.bsky.social · Aug 6

[New finding!]

Ryohei Mogi, Ryota Mugiyama, & Alyce Raybould (@alyceraybould.bsky.social ) has shown that individuals without a romantic partner are more likely to revise their fertility desires downward.‪

‬

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Peter Fallesen @pfallesen.bsky.social · Aug 2

Gambetta and Herzog wrote a book that indirectly tried to parse out the mechanisms by looking at Islamic extremism press.princeton.edu/books/hardco...

Engineers of Jihad

A groundbreaking investigation into why so many Islamic radicals are engineers

press.princeton.edu

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Reposted by Philip N. Cohen, Valerie Mueller, Alice Reid , and 2 more Philip N. Cohen, Valerie Mueller, Alice Reid, Peter Fallesen, Clark Gray

Karen Benjamin Guzzo @karenguzzo.bsky.social · Jul 25

Want to know why demographers aren't panicking over low birth rates? @lesja.bsky.social, @shelleydclark.bsky.social, & I have a new piece in @theconversation.com explaining the faulty logic that underlies the low birth rate-induced population panic than fuels the pronatalism movement. 1/n

Fears that falling birth rates in US could lead to population collapse are based on faulty assumptions

While the changes in population structure that accompany low birth rates are real, the impact of these changes has been dramatically overstated.

theconversation.com

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Reposted by Ken Caldeira, David S. Cohen, Alfie Kohn , and 1 more Ken Caldeira, David S. Cohen, Alfie Kohn, Peter Fallesen

NY Times Pitchbot @nytpitchbot.bsky.social · Jul 18

A Nazi owns Twitter, right wing billionaires own the Wall Street Journal and the LA Times, and CBS is run by a right wing nepo baby who just fired one of the network’s biggest stars for criticizing Donald Trump. Here’s why America has a left-wing media bias problem.

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Peter Fallesen @pfallesen.bsky.social · Jul 16

Implications: when studying how events (disasters, policy changes, etc.) affect birth outcomes, we must account for conception rate changes. What looks like changing health might result simply from parts of the population changing conceptive behavior. 4/4

Peter Fallesen @pfallesen.bsky.social · Jul 16

More generally, underlying baseline risk matters for magnitudes. We find that temporal variation in conceptions explains around 8% of preterm birth fluctuations for White mothers, and 12-15% for Black mothers. 3/4

Peter Fallesen @pfallesen.bsky.social · Jul 16

Using US birth data (2010-2019), we show that a conception "shock" creates a wave pattern: fewer conceptions → fewer preterm births beginning from 5 months later → but more from 9 months before rates normalize. 2/4

Peter Fallesen @pfallesen.bsky.social · Jul 16

🔴New working paper with @marcocozzani.bsky.social and @juhoharkonen.bsky.social. We describe the temporal link between conception timing and preterm birth rates. When conception rates fluctuate, preterm birth proportions shift predictably but with different magnitudes depending on baseline risk. 1/4

labdisia.disia.unifi.it

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Peter Fallesen @pfallesen.bsky.social · Jul 14

Congrats Zach!

Peter Fallesen @pfallesen.bsky.social · Jul 14

but no difference across post-dissolution living arrangements, including for joint living and parents' subsequent partner status. With M.N. Nielsen and M. Gähler. [2/2]

Peter Fallesen @pfallesen.bsky.social · Jul 14

Our article on parental union dissolution and children’s emotional and behavioral problems appears in the most recent issue of @sfjournal.bsky.social. We find a longterm increase in SDQ score following parental union dissolution [1/2]

academic.oup.com/sf/article/1...

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Reposted by Peter Fallesen

Jay Van Bavel, PhD @jayvanbavel.bsky.social · Jul 13

Much of that distortion can be traced back to a few hyperactive users
-Just 10% of users produce 97% of political tweets
-A mere 0.1% of users share 80% of fake news
This leads us to believe that society is more polarized, angry, & deluded than it really is. www.theguardian.com/books/2025/j...

Are a few people ruining the internet for the rest of us?

Why does the online world seem so toxic compared with normal life? Our research shows that a small number of divisive accounts could be responsible – and offers a way out

www.theguardian.com

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Reposted by Markus Jäntti, Marco Albertini, Peter Fallesen , and 1 more Markus Jäntti, Marco Albertini, Peter Fallesen, Jani Erola

Population Europe @populationeu.bsky.social · Jul 2

Despite living in wealthy societies, too many children still grow up in poverty.

What can be done—nationally and locally—to change this?

Read our latest Policy Brief for the #Mapineq project by @janierola.net & @mjantti.bsky.social and find it out!

🔗 tinyurl.com/54bwznh9

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Reposted by Richard Shaw, Peter Fallesen

Andrew Gelman et al. @statmodeling.bsky.social · Jun 24

Reckless disregard for the truth coming from cops, doctors, and scientists: A rant.
statmodeling.stat.columbia.edu/2025/06/24/r...

Reckless disregard for the truth coming from cops, doctors, and scientists: A rant. | Statistical Modeling, Causal Inference, and Social Science

statmodeling.stat.columbia.edu

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Reposted by Peter Fallesen

Arnout van de Rijt @arnoutvanderijt.bsky.social · Jun 24

As some of you guessed, the two models are statistically indistinguishable. The answer is Model 1, but there was no way to tell from the data. I was very surprised when I first saw this. Here we show that this confounding of heterogeneity and reinforcement is general: www.pnas.org/doi/10.1073/...

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