Ebehi Iyoha

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What Do Market-Access Subsidies Do? Experimental Evidence from Tunisia Founded 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...

New paper! RCT on subsidies for fixed market-access costs in Tunisia. Big effects on exports (for existing destinations/products) but not # of destinations/products, in contrast to policy goals and some workhorse trade models. w/ Nadia Ali, Giacomo De Giorgi, Aminur Rahman www.nber.org/papers/w33985

𝐏𝐲𝐅𝐢𝐱𝐞𝐬𝐭 0.30.1 is on 𝐏𝐲𝐏𝐢 and I am extremely happy with this release, mostly because of two 𝐧𝐞𝐰 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬: a Rust back end for all performance critical parts and quantile regression.

I feel seen

International Trade and Industrial Policy in a Changing World | Banque de France The Banque de France (BdF) is organizing a conference entitled “International Trade and Industrial Policy in a Changing World” on May 26, 2025. The conference will take place at the headquarters of th...

I’m looking forward to speaking at the upcoming “International Trade and Industrial Policy in a Changing World” conference!
Check out the exciting program and register here: www.banque-france.fr/en/events/in...

Political scientists!

APSA @epovb.bsky.social‬ is now on bsky. Drop us a follow!

And help us circulate this call for proposals to junior scholars?

Evading US Tariffs Becomes a Game of Whack-a-Mole | Insights | Bloomberg Professional Services US efforts to enforce tariffs have become a game of whack-a-mole, according to Ebehi Iyoha, a trade economist and an assistant professor at Harvard Business School. Iyoha also highlights how small US ...

Tariff de-escalation begins! The US and China have agreed to lower duties on each others' goods for 90 days.

In last week’s episode of Bloomberg’s Asia Centric podcast, I unpacked some of the issues now in play: from tariff evasion by rerouting to implications for U.S. small businesses #econsky

Thanks Chinemelu!

Thank you. Looking forward to sharing updates!

Five awardees of the Motsepe Presidential Research Accelerator Fund for Africa Five projects have been selected as the 2025 awardees for the Motsepe Presidential Research Accelerator Fund for Africa, announced by the Office of the Vice Provost for Research and the…

Thrilled that our AI & African Firm Productivity project is a 2025 Motsepe Foundation Research awardee!

With Asim Khwaja, Abdoulaye Ndiaye, Gilles Hacheme,
Chukwuka Onyekwena, and Nouréini Sayouti, we’ll explore how African firms can boost productivity with AI #econsky

This study finds rerouting to avoid #tariffs increased significantly due to the tariffs in the case Vietnam following the 2018 U.S.-China trade war but were lower than many market analysts and journalists initially thought 👉 citp.ac.uk/publications... @ebehi.org

Joint BIS, BoE, ECB and IMF Spillover Conference 2025 The European Central Bank (ECB) is the central bank of the European Union countries which have adopted the euro. Our main task is to maintain price stability in the euro area and so preserve the purch...

Excited to present my research in the upcoming Spillover Conference at the European Central Bank!
Check out the fantastic program and register to join online: www.ecb.europa.eu/press/confer...

Congratulations to Stefanie Stantcheva (@s-stantcheva.bsky.social) of @harvard.edu, winner of the 2025 John Bates Clark Medal! #econsky www.aeaweb.org/about-aea/ho...

This is the paper to read right now: 👇
"Exports in Disguise? Trade Rerouting During the U.S.-China Trade War" Ebehi Iyoha, Edmund Malesky, Jaya Wen and Sung-Ju Wu
www.hbs.edu/faculty/Page...
With the trade war in full swing, rerouting of Chinese export can be massive

Citing @ebehi.org's fascinating paper on trade rerouting. May also be of interest to @toddntucker.bsky.social re: state capacity challenges

The New Market for Tariff Evasion By imposing uneven tariffs across the globe, the Trump Administration has created new opportunities for evasion arbitrage. Smugglers rejoice!

By imposing uneven tariffs across the globe, Trump has created new opportunities for evasion arbitrage.

The U.S. can't enforce this regime alone, and it is alienating allies in a position to help. Smugglers rejoice!

#polisky #econsky #lawsky #tariffs

mileskellerman.substack.com/p/the-new-ma...

Case in point!

There are 32m small businesses in the USA

Charting Tariff Pain: Small Businesses Brace for Jobs Cuts, Falling Sales | Working Knowledge A study by Zoe Cullen and Ebehi Iyoha reveals the challenges that small- and medium-sized businesses expect tariffs to bring—and how they will react.

Tariffs don't just matter for large companies, they affect small businesses too. Our a new working paper hopes to shed light on the impact of these tariffs on thousands of small businesses in the US and Canada.

www.library.hbs.edu/working-know...

thoughts and prayers to @chadbown.bsky.social, who is maintaining a Trump tariff tracker

once upon a time i co-wrote a paper…

Recently accepted to #REStud, ``Global Value Chains and Trade Policy," from @emilyjblanchard.bsky.social , @chadbown.bsky.social and Johnson:

www.restud.com/global-value...

#EconSky

Trump's trade war timeline 2.0: An up-to-date guide President Donald Trump has started his second term in office with momentous plans to change US trade policy to achieve various economic and nontrade related aims. Below is a timeline that tracks the d...

UPDATED: Our trade war timeline.

We're doing our best to keep up. We focus primarily on official government announcements & actions.

Check it out:

GitHub - apoorvalal/TestingInEventStudies: tests for cohort-level heterogeneity in panel regression tests for cohort-level heterogeneity in panel regression - apoorvalal/TestingInEventStudies

The entire paper (down to the manuscript, written entirely in typst) is replicable here and I have a PR out for pyfixest that makes the joint test easy to do
github.com/apoorvalal/T...

We wrote this paper on industrial robot adoptions showing that 95% of firms use integrators - intermediary companies: e.g. consultancies, traders, maker affiliates.

My coauthors Bonfiglioli, Crinò (and Gancia) all sacrificed first authorship for me. Grateful.
cepr.org/publications... @cepr.org

This one is 👀 eye-popping: prospect.org/power/rollup....

Tools to social scientists using LLMs: www.expectedparrot.com

This summer we will have our Global Economic Networks Workshop on the shore of Lake Como in beautiful Italy.

Submit your paper by the end of the week! Details and call for papers below 👇