Ioana Marinescu
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imarinescu.bsky.social
Ioana Marinescu
@imarinescu.bsky.social
Economist @PennSP2, former principal economist DOJ #Antitrust. #AI, labor, IO, public, macro. Member, Anthropic Economic Advisory Council. Better the world through knowledge. www.marinescu.eu
#AI research fellow job at Schmidt Sciences. You can take it as a year of leave from your university too. One of the areas of focus is AI’s impact on the labor market #EconSky 👇
October 29, 2025 at 11:59 PM
So excited to witness the opening of a new pedestrian bridge in Philadelphia!!! This was a special preview event and the official opening is on Saturday: schuylkillbanks.org. #Philly proud!
May 16, 2025 at 12:14 AM
Are the 2020s the disaster decade? David Brooks thinks every historical time has its own disaster, except maybe the 1990s. I grew up in the 1990s, so maybe that’s one more way I’ve been very lucky. What do you think? 1990s yay or nay? 🤔
March 12, 2025 at 6:05 PM
Excited to speak at Penn’s School of Social Policy & Practice’s webinar on climate’s influence on health, politics, and the labor force.

Register here: upenn.zoom.us/webinar/regi...
March 11, 2025 at 1:36 PM
🚀 Exciting Opportunity! 🚀
#AI keeps me up at night. What will happen to work & workers? 🤔
I'm partnering with Schmidt Sciences to offer up to $200,000 in funding for early-career researchers! 💡
🗓️ Apply by March 31 2025
🙏 spread the word!
🔗 Learn more & apply schmidtsciences.org/ai-at-work
#EconSky
February 18, 2025 at 11:24 PM
Economic research has strong evidence on practices like non-competes, but gaps remain—especially on info sharing. Jose Azar and I review the latest theory and evidence #EconSky: www.annualreviews.org/content/jour...
January 17, 2025 at 1:36 PM
Big news in labor #antitrust! The US Department of Justice antitrust division & the FTC release new guidelines on business practices affecting workers, like no-poach deals, non-competes, and info sharing—some of which may violate antitrust laws. www.justice.gov/atr/media/13... 🧵
January 17, 2025 at 1:35 PM
Interesting report by @aeainformation.bsky.social on the use of social media by economists #EconSky. They list positives and negatives. I agree with their conclusion that social media is a useful professional tool that should be promoted while addressing downsides www.aeaweb.org/about-aea/co... 👇
January 16, 2025 at 3:31 PM
To read the discussion, see section 3.3.1. We point out that concentration is not always a good proxy for WELFARE, as it might increase welfare when it results from higher productivity. However, concentration is still a measure of market POWER. Thoughts? papers.ssrn.com/sol3/papers....
January 8, 2025 at 6:17 PM
Excited to announce our #ASSA2025 session on the vital role of economic research in shaping public policy! Join us to hear insights from the experience of leaders in US government: @susanathey.bsky.social, Jessica Wachter, @cwolfram.bsky.social, Wesley Yin. Don't miss it #EconSky!
January 3, 2025 at 4:42 PM
Here at this session I moderate, you can hear the thoughts of multiple economists with policy experience 😉 Also feel free to reach out!
January 2, 2025 at 6:34 PM
Here’s guideline 10 in the 2023 merger guidelines: “When a merger involves competing buyers, the Agencies examine whether it may substantially lessen competition for workers, creators, suppliers, or other providers.”
December 12, 2024 at 4:22 PM
Significant victory for labor #antitrust as Judge Adrienne Nelson issued a preliminary injunction blocking the $24 billion merger of grocery giants Kroger and Albertsons, in a win for the FTC. The judge mentions the inclusion of workers in the 2023 Merger Guidelines, an issue I worked on at DOJ
December 12, 2024 at 4:16 PM
Labor market concentration often enters the markdown formula, making it a useful proxy for market power. 📊
December 11, 2024 at 10:22 PM
🚨 New paper alert! 🚨 Co-authored with Jose Azar: Chapter 10 - Monopsony Power in the Labor Market, in the Handbook of Labor Economics. doi.org/10.1016/bs.h... Honored to contribute to this series that inspired me as a young researcher! 🙌 #EconSky 🧵
December 11, 2024 at 10:18 PM
Cournot model of competition to understand wages under #monopsony power. See the literature review we just wrote with Jose Azar, forthcoming in the Handbook of Labor Economics. Draft here: www.rfberlin.com/research/mon...
December 9, 2024 at 8:35 PM
🎉 Join us for a networking reception at Penn Washington (DC)! 🎉
📅 Dec 13, 2024
🕠 5:30 PM - 7:00 PM
Celebrate University of Pennsylvania’s Master in Social Policy (MSSP) program! 🌟 Connect with prospective/current students, alumni, faculty, and staff. 🤝
Register: apply.sp2.upenn.edu/register/?id...
December 4, 2024 at 9:23 PM
Don’t despair about having an impact, #EconSky! If you want to learn more about how economics research influences policy, join us for this all-star panel at #ASSA2025. www.aeaweb.org/conference/2...
November 27, 2024 at 2:37 PM
Most divorce comes from people changing over time, not from an incorrect belief about your partner’s quality. Therefore, it does make sense that divorce takes a while to occur if people take time to change. See the evidence in my research: scholar.google.com/citations?vi...
November 27, 2024 at 2:16 PM
From the paper’s intro, here is the research on tracking. See the full paper here: bsky.app/profile/huih...
November 23, 2024 at 8:38 PM
The econ job market is probably better than philosophy, but it is getting worse: this year so far is the worst since 2019 (excluding 2020) @johncawley.bsky.social
November 21, 2024 at 9:16 PM
2017 Tax Cuts and Jobs Act, the biggest corporate tax cut in US history, increased tangible investment by 11%, and also increased wages but less than advertised by proponents. @omzidar.bsky.social: were the benefits worth the lost revenue?
November 19, 2024 at 8:22 PM
I’m having some difficulties with scheduled reposts: by default they show the OP’s name and a link to the post rather than the post itself (see screenshot). Would really appreciate any tips! 🙏
November 19, 2024 at 4:51 PM
Here’s how default reposts with @buffer.com look like for me (also note that there is a link to the post rather than the post itself). I’d appreciate any help with this 🙏
November 19, 2024 at 3:13 PM
🌟 Discover Social Policy at Penn! 🌟
Join me, the Academic Director, for an online info session about our MS in Social Policy, & our Data Analytics program. Learn how you can create equitable policy solutions.
📅 Date: Dec. 4, 9am
🔗 Register here: apply.sp2.upenn.edu/register/?id...
November 13, 2024 at 5:22 PM