Reposted by Marek GiebelJoshua Goodman @joshua-goodman.com · 20hAccelerating prepared students in middle school math has positive effects in high school and college, including closing gender gaps in core STEM majors (sci/math/engineering). Put differently, failure to provide acceleration exacerbates such gaps and generates lots of lost intellectual potential. 23210
Reposted by Marek GiebelThe Quarterly Journal of Economics @qjeharvard.bsky.social · 27/09/2026Recently accepted by #QJE: “How Does Wage Inequality Affect the Labor Movement?” by Biasi (@barbarabiasi.com), Cullen, Gilman (@juliagilman.bsky.social), and Roussille: doi.org/10.1093/qje/...doi.orgHow Does Wage Inequality Affect the Labor Movement?*Abstract. This paper provides evidence on how wage inequality among workers affects the labor movement using three complementary research designs: a vignet 083
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 25/09/2026The chat logs of AI companies are often used to measure what work AI actually does. A Bick, A Blandin, D Deming, & T Schumacher argue however that chat classifiers cannot see a user’s occupation and therefore classify use into a few generic activities and misattribute AI use across occupations. 175
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 25/09/2026Data from France show that firms respond to increases in the minimum wage not only by employing fewer workers, but also by increasing training and flattening management hierarchies. Nicholas Lawson, Claire Lelarge, Grigorios Spanos cepr.org/voxeu/column... 064
Reposted by Marek GiebelTania Babina @taniababina.bsky.social · 24/09/2026New data and new paper! The new AI investments data introduce 7 AI subtechnology categories: general AI, machine learning, natural language processing, computer vision, generative AI, agentic AI, and other AI, and builds firm-level AI panels through 2024. Links in comments. 1135
Reposted by Marek GiebelBen Bushong @benbushong.com · 18/09/2026In the past I have found it frustrating that you cannot filter AEA JOE listings by some sense of "top schools" versus "non-top". Here's an attempt to address that. Feel free to share. econjobs.netlify.appeconjobs.netlify.appEcon Job TrackerSearch for economics jobs by ranking. Postings from major listing sources; historical data from AEA JOE. 364
Reposted by Marek GiebelArin Dube @arindube.bsky.social · 19/09/2026This paper by @davidautor.bsky.social & co-authors is one of the most important papers to date in the space of what AI does to learning. It's highly credible. And very much consistent with my own experience with use of agentic AI in research and teaching. www.nber.org/papers/w35720nber.orgDoes AI Assistance Enhance or Erode Expertise? Evidence from a Three-Month Field Experiment in Patent DraftingFounded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an... 0375
Reposted by Marek GiebelCharlotte Cavaille @ccavaille.bsky.social · 19/09/2026Small-N assessment: AI makes everyone more productive output-wise, but I, as a senior person with prior knowledge benefit the most, while my ("junior") students struggle with actual learning. This paper proves this with a larg(er)-N causal design: www.nber.org/papers/w35720nber.orgDoes AI Assistance Enhance or Erode Expertise? Evidence from a Three-Month Field Experiment in Patent DraftingFounded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an... 13314
Reposted by Marek GiebelTatyana Deryugina @tderyugina.bsky.social · 16/09/2026#EconSky: it’s once again time for our call for papers/proposals for the annual NBER conference+publication combo on Environmental and Energy Policy and the Economy (EEPE). Submit here by October 20th, 2026. More details below. And please spread the word! conference.nber.org/confsubmit/b...conference.nber.orgSubmission: NBER Environmental and Energy Policy and the Economy Conference, Page 1 of 2 - MyNBER 12013
Reposted by Marek GiebelPer Engzell @pengzell.bsky.social · 15/09/20264-year postdoc(s) at Copenhagen Business School on project The Business of Corruption: Why Business Elites Collude or Combat Political Corruption, led by @mkjustesen.bsky.social. Start: summer 2027, deadline 18 September. www.cbs.dk/en/about-cbs... 12625
Reposted by Marek GiebelNBER @nber.org · 11/09/2026Providing the first large-scale economic evidence on the frequency and purpose of workplace meetings, using administrative data from Norway, from David J. Deming, Katrine V. Løken, Alexander Willén, and Yaling Xu www.nber.org/papers/w35706 03312
Reposted by Marek GiebelLukas Lehner @lukaslehner.bsky.social · 09/09/2026Glad to see our study on Walmart's consequences for poverty and food hardship appear alongside a number of exciting studies in the recent Issue of #LabourEconomics Special Issue: www.sciencedirect.com/special-issu... Our article: www.sciencedirect.com/science/arti... 0145
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 26/08/2026Eric S Rosengren & Niccolò Comati argue that the risks that led to the collapse of Silicon Valley Bank were visible the whole time, and that the collapse is less a story of hidden danger than of a supervisory system that polices process rather than risk. cepr.org/voxeu/column... #EconSky 082
Reposted by Marek GiebelNBER @nber.org · 20/08/2026Providing a guide on imperfect competition in labor markets, focusing on the firm-specific labor supply elasticity as the definition of a firm’s labor market power, from Sydnee Caldwell, Arindrajit Dube, and Suresh Naidu www.nber.org/papers/w35608 1268
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 14/08/2026Marco Perugini argues that the delay into entry in full force of the EU's AI Act results in a double bind in which Europe loses regulatory sovereignty whether it enforces its own rules or retreats from them. cepr.org/voxeu/column... #EconSky 033
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 11/08/2026European patent data show that macroprudential tightening is followed by lower patenting and lower patent quality. However, financial-resilience tools carry no measurable short-run innovation cost and may support innovation over longer horizons. cepr.org/voxeu/column... #EconSky 143
Reposted by Marek GiebelApplied Young Economists' Webinar @ayew.bsky.social · 10/08/2026#econsky 🚨Reminder: You have 2 weeks left to submit your work! We’re looking forward to receiving your submissions! 011
Reposted by Marek GiebelNBER @nber.org · 09/08/2026Rival firms linked by common ownership are more likely to form cartels and to sustain them longer. After a cartel dissolves, those ownership ties are reduced, from Vincent Abraham, @florianederer.bsky.social, and Catarina Marvao www.nber.org/papers/w35565 096
Reposted by Marek GiebelThe Review of Economic Studies (REStud) @reveconstudies.bsky.social · 07/08/2026We examine the welfare cost of FX reserves in a small open economy where international arbitrage is driven by global financial intermediaries. This cost can be negative for safe-haven currencies. New paper by Bacchetta, Benhima, and Berthold restud.com/foreign-exch... #REStud #EconSky 032
Marek Giebel @marekgiebel.bsky.social · 04/08/2026Thank you, @profschrepel.bsky.social, for including our paper (with @anjaroesner.bsky.social) in your reading suggestions! Interested readers can access our paper on the relationship between managerial incentives and collusion here: doi.org/10.1016/j.je...doi.orgRedirecting 031
Reposted by Marek GiebelNBER @nber.org · 25/07/2026Analysis of 11 million US patents shows inventions have spread out in idea space since 1836, helping explain weaker spillovers and lower research productivity, from Ina Ganguli, Jeffrey Lin, Vitaly Meursault, and Nicholas F. Reynolds www.nber.org/papers/w35499 01910
Reposted by Marek GiebelJason Fletcher @jasonmfletcher.bsky.social · 25/07/2026Time to update our timeline of projects at americanmortalityproject.lafollette.wisc.edu Work on county health departments with @hamidnb.bsky.social Free access here: www.sciencedirect.com/science/arti... 0102
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 24/07/2026Damien Capelle et al. show that the binding constraint on completing the EU banking union is forming relationships and entering markets, not prices or quantities on existing loans, and these barriers correlate with regulatory difference. cepr.org/voxeu/column... #EconSky 042
Reposted by Marek GiebelNBER @nber.org · 17/07/2026Data from 380 trillion tokens of AI consumption across more than 400 models (2 percent of global AI consumption) shows detailed effects of AI on firms, markets, and workers, from Nicola Borri, Aleh Tsyvinski, and Yukun Liu www.nber.org/papers/w35451 0167
Reposted by Marek GiebelNBER @nber.org · 17/07/2026Competition reduces the rate of suboptimal choices, but does not drive it to zero, from David B. Huffman, Lamar Pierce, Alex Rees-Jones, and Germán J. Reyes www.nber.org/papers/w35454 031
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 30/06/2026T Choukhmane, T de Silva, W Lin, & M Akuzawa show that AI financial advice is broadly consistent with what economists would prescribe. However, it also varies by how prompts are written, with different advice by gender, financial literacy, and prior AI experience. cepr.org/voxeu/column... #EconSky 032
Reposted by Marek GiebelThe Review of Economic Studies (REStud) @reveconstudies.bsky.social · 29/06/2026How does consumer data let platforms shape competition? Elliott, Galeotti, Koh, and Li show how platforms can use consumer data to segment markets for the benefit of firms or consumers. www.restud.com/market-segme... #REStud #EconSky 093
Reposted by Marek GiebelEthan Mollick @emollick.bsky.social · 19/06/2026More evidence, from a large-scale study in China, that using AI hurts learning if it undermines mental effort. When homework time drops due to AI use, so do test scores. Across studies, there is a clear theme: AI tutoring in support of classes is good, using AI to "help" with homework is bad. 17411127
Reposted by Marek GiebelPhilipp Heimberger @heimbergecon.bsky.social · 18/06/2026This paper finds that economists whose job market papers report (marginally) statistically significant results are more likely to secure academic jobs. Hiring committees prefer statistical significance; this creates incentives for researchers to p-hack. 35627
Marek Giebel @marekgiebel.bsky.social · 16/06/2026🚨 New paper alert 🚨 I am happy to announce that the paper "Do managerial incentives facilitate anti-competitive behavior? Evidence from collusion" (with @anjaroesner.bsky.social , @rockwoolfonden.dk ) has been published in the Journal of Economic Behavior and Organization 1113
Reposted by Marek GiebelNicholas A. Christakis @nachristakis.bsky.social · 13/06/2026Even in Denmark, with its excellent provisions for children, parenthood marks a sharp divergence in academic careers (from employment to tenure to publications) for men and women -- for a variety of reasons reflecting both structure and agency. opus4.kobv.de/opus4-hsog/f... 22512
Reposted by Marek GiebelMarek Giebel @marekgiebel.bsky.social · 10/06/2026🚨I am excited to announce our new working paper: "Artificial Intelligence, Communication, and Strategic Pricing: Evidence from Large Language Models" with @anjaroesner.bsky.social (@rockwoolfonden.dk) and Benjamin Schröder (@dice.hhu.de) Paper link (SSRN): papers.ssrn.com/sol3/papers.... 184
Reposted by Marek GiebelAlex Bryson @alexbryson.bsky.social · 01/06/2026Are you a personnel economist? Why not join us next spring in Tokyo for the 2027 COPE Conference. Submit your extended abstract now. Full details are here: personneleconomics.eu/cope2027/ @sriucl.bsky.socialpersonneleconomics.euCOPE 2027 – Colloquium on Personnel Economics 153
Marek Giebel @marekgiebel.bsky.social · 10/06/2026🚨I am excited to announce our new working paper: "Artificial Intelligence, Communication, and Strategic Pricing: Evidence from Large Language Models" with @anjaroesner.bsky.social (@rockwoolfonden.dk) and Benjamin Schröder (@dice.hhu.de) Paper link (SSRN): papers.ssrn.com/sol3/papers.... 184
Reposted by Marek GiebelNBER @nber.org · 08/06/2026The five largest US tech firms are nearly doubling capex—from $380B in 2025 to $755B in 2026. They face bankruptcy unless productivity booms commensurately, from Jessica Wachter and Jonathan Wachter www.nber.org/papers/w35290 55122
Reposted by Marek GiebelCaitlin Myers @caitlinmyers.bsky.social · 08/06/2026Is it the phones? New NBER WP this morning with Zeke Hooper: we estimate the diffusion of the iPhone explains 33–52% of the decline in US births from 2007–2011. #econsky🧵 www.nber.org/papers/w35310nber.orgIs the iPhone Birth Control? Causal Evidence from AT&T’s 2007–2011 Carrier MonopolyFounded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an... 77229
Reposted by Marek GiebelBruegel @bruegel.org · 05/06/2026📊 Chart of the week: Financial assets of households, by type of asset, share, 2025-Q3 📑 Read the Working Paper by Marie-Sophie Lappe and David Pinkus 🔗 buff.ly/dyJr65T #EconSky 024
Reposted by Marek GiebelPaul Goldsmith-Pinkham @paulgp.com · 02/06/2026In a new post, I pull data from four different sources --- arXiv, NBER working papers, SSRN, and the AEA --- to look at how much working paper growth and submissions have changed with the growth of AI. paulgp.substack.com/p/the-number... 14815
Reposted by Marek GiebelVoxEU @ CEPR @voxeu.org · 28/05/2026Francesco Filippucci, Peter Gal, Katharina Laengle, Matthias Schief, & Muhammed A. Yıldırım show that AI-driven productivity gains will vary widely across countries. Maintaining competitiveness will ultimately require strong domestic #AI adoption. cepr.org/voxeu/column... #EconSky 044
Reposted by Marek GiebelAlex Coad @coad.bsky.social · 27/05/2026Weird: as a journal editor, I received a submission that cites a fake (but plausible-sounding) paper that I supposedly wrote in 2018! #AIslop #AIhallucination #EconSky 372
Reposted by Marek GiebelJamin Speer @jaminspeer.bsky.social · 23/05/2026Hull City scored a stoppage time goal to achieve promotion to the Premier League today. According to my research, that goal was worth $238-280 million over the next 7 years. www.sciencedirect.com/science/arti...sciencedirect.comThe consequences of promotion and relegation in European soccer leagues: A regression discontinuity approachEuropean soccer leagues operate on a ”promotion and relegation” system, in which poor-performing teams are moved to a lower division of play, and high… 072
Reposted by Marek GiebelPaul Goldsmith-Pinkham @paulgp.com · 20/05/2026paulgp.substack.com/p/ai-and-the...paulgp.substack.comAI and the Research O-RingBeware Nihilism 1326
Reposted by Marek GiebelJulia M. Rohrer @dingdingpeng.the100.ci · 20/05/2026New blog post! Let's say an effect you are interested in varies between countries and you want to explain some of that cross-cultural variation. What could possibly go wrong? www.the100.ci/2026/05/20/f...the100.ciFriends don’t let friends run moderated cross-country regressionsHeader image: Moderate cross-country slopes (Photo: By Erik W. Kolstad - Flickr, CC BY 2.0,) Here’s a particular genre of article that relies on multiple data collection sites, such as studies anal... 1817047
Reposted by Marek GiebelEmily Beam @ebeam.bsky.social · 20/05/2026Really enjoyed contributing to this write-up on @causalinf.bsky.social Substack — an NBER panel on AI in research production w/ Kosali Simon, David Bradford, Coady Wing + commentary from me, Jason Fletcher & @paulgp.com open.substack.com/pub/causalin...open.substack.comWhat a panel of economists said about AI in the production of researchThis is from a moderated discussion at the NBER Applications of AI in Healthcare meeting that happened in Cambridge, Massachusetts May 8th, 2026. 1258
Reposted by Marek GiebelRalf Reski @reskilab.bsky.social · 19/05/2026The scale of the fraud is shocking and dangerous. Fabricated citations: an audit across 2·5 million biomedical papers When references point to non-existent studies, readers, reviewers, and policy makers are unable to evaluate the evidence. www.thelancet.com/journals/lan...thelancet.comFabricated citations: an audit across 2·5 million biomedical papersScientific literature depends on the integrity of its references. Each reference implicitly asserts that a verifiable source exists and supports the claims being made. When references point to non-exi... 01411
Reposted by Marek GiebelSimon Reif @simonreif.social · 19/05/2026#JobAdd We at @zew.de in Mannheim (GER) are looking for #PostDoc in applied economist with a strong research profile in empirical #HealthEconomics who will contribute to our research agenda on the digital transformation of health care 🤓+++ we have a rooftop terrace! jobs.zew.de/jobposting/e... 094
Reposted by Marek GiebelMartin Gaynor @martingaynor.bsky.social · 18/05/2026Important new paper by Robert Metcalfe, Alexandre Sollaci & Chad Syverson. They show that proposed mergers that lead to greater market power will have smaller efficiencies & vice versa. This has important implications for enforcement agencies & courts in assessing mergers. www.nber.org/papers/w35221nber.orgProposed Mergers Where Efficiencies Are Needed Most Might Be the Least Likely to Deliver ThemFounded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an... 083
Reposted by Marek GiebelJulia M. Rohrer @dingdingpeng.the100.ci · 16/05/2026Today I learned about yet another number that is essentially made up 🥲 pubmed.ncbi.nlm.nih.gov/12376390/pubmed.ncbi.nlm.nih.gov"Drink at least eight glasses of water a day." Really? Is there scientific evidence for "8 x 8"? - PubMedDespite the seemingly ubiquitous admonition to "drink at least eight 8-oz glasses of water a day" (with an accompanying reminder that beverages containing caffeine and alcohol do not count), rigorous ... 134812
Reposted by Marek GiebelArin Dube @arindube.bsky.social · 16/05/2026Apropos of some debate on Piketty-Saez-Zucman versus Auten-Splinter brewing again on the other site, let me post my lecture notes that does a deep dive into this, looking at both pre- and post-tax income inequality. Link: www.dropbox.com/scl/fi/4k5gj... 39924