Joschka Wanner

The figure shows monthly Russian imports of 42 military-relevant product categories from the EU Common High-Priority list, total and decomposed by channel, using Russian customs transaction data and authors’ coding of EU export bans. Dark red: products not yet subject to any ban. Light red: partially banned products (some product variants are banned but others remain legal to export). Dark grey: in-transit flows with EU as both origin and dispatch country. Light grey: fully banned products rerouted via third countries (non-EU dispatch country). Despite comprehensive export sanctions from Western allies against Russia, Western components continue to appear in Russian weapons. This column uses transaction-level Russian customs data combined with novel data on EU export bans to separate and quantify three distinct channels through which banned military-relevant goods reached Russia. Trade continued legally for nearly two years, as restrictions were gradually introduced. Furthermore, goods could claim to transit through Russia en route to other destinations or they were rerouted through intermediary countries. It argues that the design and implementation of export bans deserve at least as much attention as their announcement.

Russia acquired Western weapons components post-sanctions via 3 channels: gradual introduction of restrictions, goods transiting through Russia, or rerouted goods.
L Scheckenhofer @feodorateti.bsky.social @torundavid.bsky.social @joschkawanner.bsky.social
cepr.org/voxeu/column...
#EconSky

The PSE Trade Summer School 2026 will focus on Trade Policy and will feature @meredith-crowley.bsky.social @julianhi.nz @mathieupar.bsky.social Roberta Piermartini and myself. www.parisschoolofeconomics.eu/en/summer-sc...

New at JIE: "Unilateral environmental policy and offshoring" by Simon J. Bolz, Fabrice Naumann (@fabricenaumann.bsky.social), Philipp M. Richter

doi.org/10.1016/j.ji...

New CEEPR working paper on how to address import dependence for clean energy technologies and critical raw materials with @mkalkuhl.bsky.social , Robert Marschinski, @mehling.bsky.social, @joschkawanner.bsky.social kawanner.bsky.social.

Warnung vor Abhängigkeit bei grünen Energieträgern Deutschland sollte sich bei sauberen Energiegütern nicht zu abhängig von anderen Ländern machen. Das fordern die Mitglieder des Kopernikus-Projekts Ariadne. Mit dabei: der Würzburger Wirtschaftswissen...

Deutschland darf bei grünen Technologien nicht in neue Abhängigkeiten geraten! Ariadne-Forschende @ariadneprojekt.bsky.social warnen: Diversifizierung ist entscheidend. Mit Joschka Wanner @joschkawanner.bsky.social #Energiewende #Klimaschutz #Innovation 📷 FotoArtist / Adobe Stock

Please spread the word: we're hiring a Globalization Pre-doctoral Fellow to work with me on research, take classes, and participate in the vibrant Dartmouth trade community. Great for those interested in getting a Ph.D. Apply here: apply.interfolio.com/177589
@dartmouthecon.bsky.social

🚨 We’re hiring! Jointly with ESMT Berlin we’re recruiting a Professor in International Economics - Geoeconomics.
Focus on international economics (broadly defined) with strong interfaces with core business school areas.
Apply now via #EconJobMarkt🔗 econjobmarket.org/positions/12...

Exciting times ahead: we’re launching the first cohort of the Albert O. Hirschman PostDoc Program in Berlin/Kiel — apply now!

Spatial JMCs: Each year, I compile a list of spatial-economics job-market papers. To make sure you're on my list (& save me some work), please reply with your info in the following format:

Firstname Surname (School) - JMP title - homepageURL

[Trade JMCs: reply to other tweet]

Trade JMCs: Each year, I compile a list of international-trade job-market papers. To make sure you're on my list (& save me some work), please reply with your info in the following format:

Firstname Surname (School) - JMP title - homepageURL

[Spatial JMCs: reply to other post]

🥁 @centrefiw.bsky.social Research Conference International Economics
📍WU Vienna | 📅 Feb 19–20, 2026.
Keynote Lecture: Lionel Fontagné

📝Reminder: Final week for submissions - we look forward to your contribution!
Deadline: Oct. 31, 2025!
ℹ️ fiw.ac.at/event/18-fiw...

#CallforPapers #FIWConference

📣 Call for Papers out now: CESifo Area Conference on Global Economy 2026
📆22 - 23 May 2026
⏳Submit by 15 January 2026
Organizer: Peter Egger @ethz.ch
Keynotes: @meredith-crowley.bsky.social (Cambridge) & Felix Tintelnot (Duke University)

More info & submission link 👉 www.ifo.de/en/cesifo/ev...

Who pays for tariffs? It’s a simple question that’s surprisingly tough to answer. We often see only a rough aggregate measure of prices at the border or the retail price, missing many steps in the chain.

We tackle this in a new paper w Aaron Flaaen, Ali Hortacsu, Felix Tintelnot and Daniel Xu

New Paper Alert🚨 “The Winners and Losers of Climate Policies: A Sufficient Statistics Approach” with Jordan Rosenthal-Kay @jordanrk.bsky.social
We study the spillovers of climate policies across countries through trade and energy markets #EconSky #ClimatePolicy #TradeLeakage #CBAM🧵1/10

Studying the equilibrium and welfare implications of quantitative trade models with sector-level external economies of scale, from Dominick G. Bartelme, Yuyang Jiang, Konstantin Kucheryavyy, and Andrés Rodríguez-Clare https://www.nber.org/papers/w34258

Spread the word #econsky.

📢 @centrefiw.bsky.social announces its 18. Research Conference ‘International Economics’!

📅 February 19-20, 2026
📍 @wuvienna.bsky.social
🎙️ Keynote: @lionel-fontagne.bsky.social ((University Paris 1, PSE)

📝 Submission deadline: Oct. 31, 2025
CfP ➡️ www.fiw.ac.at/event/18-fiw...

#CallForPapers

The @cep-lse.bsky.social @warwickecon.bsky.social Junior Trade Workshop will take place on Sept 22 @cep-lse.bsky.social. Come meet and provide feedback to six promising JMCs! UK-based trade/urban/spatial aficionados are welcome to register here: cep.lse.ac.uk/_new/events/...

If you teach an undergrad international trade course and want some hands-on experience with real data & Stata or R, consider my “Gravity for Undergrads” Chapter. It may be useful in econometrics, undergrad seminars, and undergrad theses. Gravity Rules 💪

yotoyotov.com/Gravity_Unde...

The US is playing countries off against each other. A coalition of the 🇪🇺,🇨🇦,🇲🇽,🇧🇷 & 🇰🇷 could put real pressure on Washington with a joint response. They would have strong leverage against tariffs. Read more in the new KPB 👉 ifw-kiel.de/publications...
@julianhi.nz @schularick.bsky.social

📢 Kiel-@cepr.org-Research Seminar. Christoph Böhm @utaustinecon.bsky.social presents joint work w/ @nityanayar.bsky.social on dynamic gains from trade. Both are currently in Kiel teaching in the ASP program!
Don’t miss future talks - register here for the series 👉 www.ifw-kiel.de/institute/ev...

A new dynamic multi-country Ricardian trade model with aggregate uncertainty, where countries trade goods and assets, leading to endogenous trade imbalances following tariff shocks, from Lorenzo Caliendo, Samuel S. Kortum, and Fernando Parro https://www.nber.org/papers/w34003

Our paper is officially out 🎉

We argue that climate clubs show promise:

- A climate club with coordinated penalties could curb 68% of excess emissions from free-riding

-Unilateral carbon tariffs? Not nearly as effective

DIW Berlin: Clean Production, Dirty Sourcing: How Embodied Emissions Alter the Environmental Footprint of Exporters This paper revisits the exporter’s environmental premium (EEP) by incorporating emissions embodied in domestically and internationally sourced intermediate inputs. Combining administrative firm-level ...

New WP:
"𝘾𝙡𝙚𝙖𝙣 𝙋𝙧𝙤𝙙𝙪𝙘𝙩𝙞𝙤𝙣, 𝘿𝙞𝙧𝙩𝙮 𝙎𝙤𝙪𝙧𝙘𝙞𝙣𝙜: 𝙃𝙤𝙬 𝙀𝙢𝙗𝙤𝙙𝙞𝙚𝙙 𝙀𝙢𝙞𝙨𝙨𝙞𝙤𝙣𝙨 𝘼𝙡𝙩𝙚𝙧 𝙩𝙝𝙚 𝙀𝙣𝙫𝙞𝙧𝙤𝙣𝙢𝙚𝙣𝙩𝙖𝙡 𝙁𝙤𝙤𝙩𝙥𝙧𝙞𝙣𝙩 𝙤𝙛 𝙀𝙭𝙥𝙤𝙧𝙩𝙚𝙧𝙨"
📄 www.diw.de/de/diw_01.c....
👥 Till Köveker, Philipp Richter and Alexander Schiersch

🧵

We study how trade policy can reduce global emissions. Unilateral carbon border taxes have limited efficacy at cutting foreign emissions. By contrast, coordinated trade penalties under a climate club prove highly effective. buff.ly/NEE3Uy8

The CEP/LSE/Warwick Junior Trade Workshop is back on Sept 22! Accepts papers from PhD students and postdocs on the job market in Jan 2026. Submit by July 27 at juniortradeworkshop@gmail.com. It's an excellent chance to get feedback towards the market and it's funded!

cep.lse.ac.uk/_new/events/...

📌📆 We are thrilled that Ludger Wößmann (@woessmann.bsky.social) from @ifoeducation.bsky.social & @lmumuenchen.bsky.social will deliver this year’s IEP Lecture @uni-wuerzburg.de!

Join us on 07 July! Further info 👇🏽

www.uni-wuerzburg.de/aktuelles/ei...

Call for papers

The CEP/LSE – Warwick Junior Trade Workshop will bring together PhD students in the field of international economics for job market paper presentations and discussions. @warwickecon.bsky.social @cep-lse.bsky.social

Submit papers by 27 July.

More ➡️ cep.lse.ac.uk/_new/events/...

📢NEW DATA! Happy to share the new release of the International Trade and Production Database for Estimation - ITPD-E-R03. Thanks to my co-authors Mario Larch & Serge Shikher and to the USITC!

For details: ideas.repec.org/p/drx/wpaper...

Enjoy the data and have a great summer!

Die geplante Finanzierung der #Gasspeicherumlage aus dem #KTF (TSP Background) entspricht einer Senkung des effektiven CO2-Preises auf Gas um 16 Euro. Größte Ironie: mit Einnahmen aus CO2-Preis bzw. dem Sondervermögen (das in den KTF fließen soll) wird nun fossile Energie subventioniert.