Merlin Schaeffer

@mschaeffer.bsky.social

Professor of Sociology at University of Copenhagen. I study how immigration transforms societies. Diversity | Integration | Discrimination | Misperceptions

The largest Danish retailer, Salling Group, will mark all products from Europe with a star, helping customers select European rather than American products. The continents are drifting apart at both the macro and micro level. Danish news story here: www.dr.dk/nyheder/peng...

Vil du boykotte amerikanske varer? Nu sætter dagligvarekæmpe sort stjerne ved europæiske varer

Fremover får kunder i Netto, Føtex og Bilka nemmere ved at vælge europæiske varer.

dr.dk

I have received a request to review from the Israel Science Foundation today. I have declined it. My email reply below. My position is similar to @philipncohen.com : I do not collaborate with institutions linked to the Israeli government. But I do collaborate with individual researchers.

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Sollte es dereinst noch liberale Historiker geben, dann werden sie ueber das 21. Jahrhundert schreiben: Erneut verfiel das liberale Buergertum einer irrationalen Furcht, dieses Mal nicht vor Kommunisten, dieses Mal vor den Woken (USA) und den Gruenen/Shitbuergern (Deutschland).

Putting the focus on causal inference in Stats2 for bachelor students went fine. But crafting exam questions that truly test application is tricky! Want to assess their ability to apply causal inference, not just identify limitations of observational data. But how in take home exams? Any ideas?

Merlin Schaeffer@mschaeffer.bsky.social · 2y ago

Anyone else teaching multiple OLS to sociology undergrads and putting the focus on causal inference with Angrist & Pischke's "Mastering Metrics"? Would love to chat and share ideas. Here's my material: merlin-ols.netlify.app

In 2024 work in @pnas.org, @amir-ghasemian.bsky.social and I explore “The Structure and Function of Antagonistic Ties in Village Social Networks.” At the population level, the existence of antagonism has important implications for the overall structure and function of human groups. #HNL 1/

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...

pnas.org

This work has implications for a radical idea: diseases formerly thought to be biologically non-communicable (e.g., obesity, depression, hypertension, arthritis, etc.) may actually be (somewhat!) communicable, via the spread of the microbiome. www.nature.com/articles/s41... 13/

Gut microbiome strain-sharing within isolated village social networks - Nature

An investigation into the relationship between network structure and gut microbiome composition among people living in 18 isolated Honduras villages reveals that strain-sharing can be mediated by...

nature.com

We can actually predict who your friends are based on whether you have similar bacteria in your poop! And that metric outperforms other more usual social features, such as how you resemble your friends on a host of traits like age, sex, wealth, etc. 7/

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In most places in the world, power from new renewables is now cheaper than power from new fossil fuels. Why did renewables become so cheap so fast? The answer: learning curves.

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Why are civilians abused and killed in during conventional war? Using data from Ukraine, Julius Koch and I put forward a new explanation: The threat to combatants posed by long-range weapon technology.   The paper is here: osf.io/z38sq/ , and we would be grateful for comments!

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