Ruozi Song

Research Economist @wb_research | Environmental + urban Econ | IO

[Ruozi Song @RuoziSong]

@USC_Econ @Jeff_Weaver_ Congratulations Jeff!! 🍾🎉

[Thomas Bourany @TBourany]

[Reading Group IP week 4] Last week, we discussed the 2025 article by D. Bartleme, A. Costinot, D. Donaldson, A. Rodríguez Clare, “The Textbook Case for Industrial Policy: Theory Meets Data.” They study the optimal design of industrial policy (sectoral subsidies) and trade policies, in the presence of external economies of scale, and quantify the welfare gains 1/5

[Federico Domínguez @federdm]

🌬️ Pollution Update for Kolkata

PM2.5 levels are at 35.05 µg/m³ today, surpassing the WHO daily standard of 15 µg/m³. Stay informed @ruozisong @abehrer @adla_amaresh

Check our website for more information: https://t.co/Gawbo1rDkF

[Joseph Shapiro @_josephshapiro]

🌎 PhD students: apply to 2025 Berkeley/Sloan Summer School in Environmental/Energy Economics! 🔗

Info + application link below 👇

🗓️Deadline: May 14 | Program: Aug 18–22 at Berkeley

w @auffhammer, @BorensteinS, TCarleton, MFowlie, KJack, ...

[Ruozi Song @RuoziSong]

@USC_Econ Congratulations 🎈🎉

[Ruozi Song @RuoziSong]

Very insightful JMP!

[Yunyu Shu @YunyuShu]

Thanks to the @WorldBank Development Impact Blog for posting my JMP!
@YunyuShu (@Brown_Economics) studies how information shapes adaptation under input vs output subsidies in the context of shaded cocoa in Ghana 🇬🇭.

More insights here 👇

https://t.co/8KG3OS7Hfi

[Vittorio Bassi @bassi_vittorio]

Are you applying to Econ PhDs? Join me and @Jeff_Weaver_ to learn more about our program at @USC_Econ! Life in LA is indeed great, and our department is thriving in all fields! Zoom link below 👇

[Ruozi Song @RuoziSong]

@JlibDoesEcon Awww

[Ruozi Song @RuoziSong]

@Dario_cumLaude @USC_Econ @Columbia Congratulations!!

[Joseph Shapiro @_josephshapiro]

📝Submit papers to new research project on Energy Markets, Decarbonization, and Trade! Submission deadline 10/16.

🔗https://t.co/dRrYVR0wfn

Excited to organize w Natalia Ramondo. @SloanFoundation, @nberpubs generously supporting. Final conference Mar 20-21, 2025.

Pls r/t.

[AERE @AereOrg]

Are you a grad student attending the EEA conference? Don't miss this opportunity to learn about the job market! The panel will feature:
✨ Ana Espinola-Arredondo (@Ana_Espinola)
✨ Isla Globus-Harris (@DrGlobusHarris)
✨ Ruozi Song (@RuoziSong)
✨ Nilesh Shinde (@nilesh_nshinde)

[Ludovica Gazzè @LudoGazze]

🚨🚨 Are you a female-identified or non-binary environmental economist working on Data, Information, and the environment broadly defined?
@andrealanauze and I are organizing a workshop for you!
When: Sep 30-Oct1 2024
Where: @warwickecon @cage_warwick
Details 👇

[Matthew E. Kahn @mattkahn1966]

Congratulations to @rajatkochhar
for releasing this coauthored paper. Rajat was my student at @USC_Econ. On Friday, I will hear him present his work with @RuoziSong at a NBER conference. #proud
https://t.co/iimDBynjCL

[USC Economics @USC_Econ]

Our fantastic job market candidates this year.

Check out these awesome and diverse set of job market papers.

https://t.co/VuSwwYWqwV

[David McKenzie @dmckenzie001]

The World Bank's Development Research Group (DECRG)'s JOE ad is now up. We are recruiting on the junior market again this year: https://t.co/BvLmzslJD1

[Giuseppe Cavaliere @CavaliereGiu]

Hi #EconTwitter!

Curious about #economics Nobel prize @metrics52’s take on #MachineLearning for 𝐜𝐚𝐮𝐬𝐚𝐥 𝐢𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞?

Check out this 2022 JLE joint work with @BrighamFrandsen, where the focus is on lasso and 𝐈𝐕.

Very interesting #econometrics read!

[Ruozi Song @RuoziSong]

@Michele__MB @rajatkochhar @Li_Xiongfei666 Thanks Michele!!

[Ruozi Song @RuoziSong]

@LudoGazze @iza_bonn Congratulations 🎉🍾

[Ben Olken @Ben_Olken]

Esther Duflo and I are delighted to put our @MITEcon PhD. Micro Development Economics course, 14.771, online @MITOCW. All videos, syllabi, and lecture notes are free and open for all, including for use in your own classes.

https://t.co/C222hV6Ffx

[Ruozi Song @RuoziSong]

@kunzhangte Congratulations 🎊🍾🎈