Forthcoming at the Journal of Political Economy: We find that consumer product markups increased more than 25 percent from 2006 to 2019. One contribution is an approach to estimate IO-style models at scale, yielding flexible consumer preferences and estimates of marginal costs.

Exciting news! I'll be joining @CUNEF (CUNEF Universidad) in Madrid as an assistant professor (tenure track) in Sept 2025. Grateful for the support from my letter writers, advisors, coauthors, family & friends. Looking forward to this new chapter!

The full paper can be found here:

How does patent protection affect innovation and market power? @apoorvag87 and I find that in India, stronger patents spurred R&D investment. Markups increased, but mainly due to lower marginal costs. See our new @voxeu column: https://t.co/EvlUpDaIlP #econtwitter #iotwitter

The running list of IO job market candidates for 2024-2025 is live! Fill this out to add your info: https://t.co/OISwetwI3J Running list here:

The preliminary programme is now out for the third annual @CMAgovUK-@durham_uni workshop on 14-15 November. With contributions by @JoelStiebale, @MichaelLipsitz, @toxvaerd1 and others, and a keynote by the great @TomValletti. https://t.co/eRsoIT2KwY 1/2

Conflict of interest (COI) leads to a strong downward valuation and credibility of research output @zingales @TomValletti @LancieriFilippo @JoshuaYLevy @Barrios_Econ Shashank Singh The paper advocates for a clearer COI policy: the profession’s #me-consult-too moment

Very happy to join the Economic Advisory Group on Competition Policy (EAGCP) at @EU_Competition. Looking forward to working with outstanding colleagues. https://t.co/Hjp76LnUkQ.

Policymakers often need to design policies quickly in the face of crises, but analysis required for evidence-based policymaking is published with a big lag. So what can researchers do help? A thread on a new paper with my wonderful coauthors @fetzert and @PalmouChristina 1/

Working on aggregate market power, business dynamism or the competitive process? Submit a paper to the third @CMAgovUK and @durhameconomics workshop on 14-15 November! 1/2

Markups of consumer products increased over 2006–19, primarily due to reductions in marginal cost. Consumers have become less price sensitive, from @HendrikDoepper, @_amackay, @NateHMiller, and @JoelStiebale https://t.co/Lb99axITPk

New fascinating research formulating a theory of digital ecosystems, by Paul Heidhues,@MatsKoester, and Botond Kőszegi. This theory strikes me as highly relevant for phenomena we've observed in digital markets - great to see more research on this ⬇️ https://t.co/CJHnEMH9xG

Forthcoming IJIO article by @JoelStiebale @jsuedekum & Nicole Woessner @DICEHHU "Robots and the Rise of European Superstar Firms" https://t.co/prsbbpqRiq @sciencedirect

Interested in doing research on competition, innovation and productivity with real policy impact? Our @CMAgovUK Microeconomics Unit is hiring up to three Economic Advisers (Research). 1/ https://t.co/wU5qFpbbHy

Very happy to share that our paper „Robots and the rise of European superstar firms“, joint with @JoelStiebale and Nicole Woessner, has been accepted for publication in the International Journal of Industrial Organization #IJIO Check out the main findings in our @voxeu column

#EconTwitter: we are hiring several PhD students at @DICEHHU to start in October 2024. Our program focusses on IO, competition policy, international economics, behavioral economics and econometrics. https://t.co/Sqi3X19rHk

🚨We are hiring two postdocs for AY 24-25 at the Pricing Lab at @HarvardHBS. The position is open to those with and without AP offers. You can work with industry data alongside @albertocavallo (macro side of the lab) and myself. Link for microeconomics:

The Competition and Innovation Summer School (#CISS) is back after #COVID. 📅2.-6. October in Ulcinj (Montenegro). Submission Deadline: 28. August Acceptance of Application: 1. September 2023 👉 https://t.co/y6fWRyzAIX @ZEW @KU_Leuven @LeibnizWGL @TU_Muenchen @EPFL @MaCCIcomp

On the "Non-price effects of mergers and acquisitions" @JoelStiebale and I have written a non-technical report, commissioned by @EU_Competition. #CompetitionLaw #Antitrust #MergerPolicy download here:

In our view, there is compelling evidence that M&As can often reduce innovation and that this has happened too often in the past. We also discuss effects of mergers on variety, product quality and sustainability and derive a number of recommendations for competition policy.