Post-doc at @HelsinkiUni and @Coe_FIT | Econ PhD at @IE_UC | ⚽️ @Cruzados | Pub Econ | Mostly taxes and tax evasion.
Helsinki, Finland
Joined January 2022
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Sebastian Castillo retweeted
BSE Summer Forum Public Economics (broadly defined)
Save the date: 11-12 June, Barcelona
Submit your paper before 28 February events.bse.eu/live/files/594…
Organisers: @nina_bobkova @CateMuratori @silviavannutell M. Besfamille, P. Boyer, @LVSalvadori & myself
@bse_barcelona #economics
Sebastian Castillo retweeted
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Hi, my name is Isaac Martinez. I am a PhD student in Economics at the LSE, and I wanted to share something personal. On July 6, 2025, I suffered a stroke while I was finishing my PhD. It was completely unexpected and changed my life. #EconTwitter #EconJobMarket
Sebastian Castillo retweeted
JOTA CfP! AI’s Role in Future Tax Systems. Submit your paper. @JOTAJournal @LVSalvadori @evachalioti
tarc.exeter.ac.uk/jota/ai-ta…
Sebastian Castillo retweeted
Did you know many public economics courses in Africa use examples from outside the continent? 🤔 We hosted a workshop with VATT & HAUS, uniting 9 African universities to develop a relevant curriculum.
Find out more here: go.unu.edu/6oV3W
Sebastian Castillo retweeted
Today’s animated Fireside Chat was on UNU-WIDER book Poor Protection.
It explores how taxes & social benefits shape crisis response in developing countries
Stay tuned for its policy briefs + open access release later this year!
go.unu.edu/NGzOM
#WIDERDevConf2025
Sebastian Castillo retweeted
📢PhD students! 📢
Coming up: a brand new public economics PhD course in the autumn 2025! Weekly 2-hour hybrid sessions, and two in-person sessions.
Organisers: @HelsinkiGSE, FIT and @uppsalauni
Check out the great programme and read more!👇
verotutkimus.fi/en/phd-pe-20…
Sebastian Castillo retweeted
📝 Publication Alert! 📊We observe heterogeneity in VAT misreporting across SMEs in Tanzania, focusing on size & declaration @SebaCastilloRa @EzekielSwema @oshizler #VincentLeyaro doi.org/10.1093/cesifo/ifae0…
Sebastian Castillo retweeted
Ahoy PhD students, ☀️
Apply now for the PE summer course with an emphasis on tax policy. Professors Emmanual Saez and Joel Slemrod deliver lectures on the course.
The participants join in the Transatlantic Public Economics Seminar TAPES. No course fee.
verotutkimus.fi/en/pe-phd-co… – at Tampere, Finland
Sebastian Castillo retweeted
We will share our bottom-up tax gap estimation approach based on joint work with @ZambiaRevenue and @TRATanzania. Watch this space for #taxgap toolkit development with @SebaCastilloRa, Kwabena Adu-Ababio & Mostafa Bahbah! #FairTaxation @UNUWIDER
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Sebastian Castillo retweeted
A PhD Course on Tax and Transfer Systems in Helsinki, 10 - 14 June with top researchers!
Read more from out site 👇 and sign up by 15th April.
The course is free of charge.
verotutkimus.fi/en/pe-phd-co… – at Tampere, Finland
Sebastian Castillo retweeted
PhD #PublicEcon summer course on Tax and Transfer Systems in connection of Trans-Atlantic Public Economics Seminar (TAPES) in Helsinki in June! 🤩
Read more and register now for the PhD course! 👇
verotutkimus.fi/en/pe-phd-co… – at Tampere, Finland
Sebastian Castillo retweeted
Are you applying for an Economics Ph.D.? Are your students thinking about it?
Consider our growing program @EmoryEconomics!
GRE is optional & you can apply for a fee waiver here gs.emory.edu/admissions/fee-…
Check out our placement economics.emory.edu/graduate… & join us!
Sebastian Castillo retweeted
Hello #EconTwitter!
Various assignment mechanisms are used by universities to pair students with professors.
When learning is subject to student-professor match effects, have you ever thought about the role these mechanisms play in shaping learning outcomes?
🧵1/9
Sebastian Castillo retweeted
🚀 Tax administrations worldwide are evolving with digital tech, boosting efficiency & insights, while ensuring data privacy and security is key for public trust.
Join us for the last session of the #Tax4SDGs2023 Dialogue: shorturl.at/acqwY
Sebastian Castillo retweeted
We are hiring a postdoc @AaltoBIZ ! Come hang out with me, @tsaarimaa, @PabloWarnes and other urban/regional economists of @HelsinkiGSE: econjobmarket.org/positions/…
Sebastian Castillo retweeted
Jukka Pirttilä from the United Nations University- World Institute for Development Economics Research (UNU- WIDER) has shared his opening remarks on the partnership between URA and @UNUWIDER ahead of the research findings presentation at the Research Dissemination Workshop happening now at Protea Hotel, Kampala.
This workshop is part of the collaboration under the Building up efficient and fair tax systems – lessons based on administrative tax data project, which is part of UNU-WIDER's research and capacity development programme on domestic revenue mobilization (DRM), funded by the Norwegian Agency for Development Co-operation (Norad).
#FairTaxation
#DRMProgramme
Sebastian Castillo retweeted
📄[CALL FOR PAPERS] El @IE_UC abre sus puertas al V Alumni Workshop el 28 de diciembre.
¿Eres egresado del Instituto? ¡Anímate a presentar tus trabajos!
📅 Plazo para envío: 20 de noviembre.
📍 Inscripciones y más información: bit.ly/3svDp1Q
¡Te esperamos!
Sebastian Castillo retweeted
Join our team!
Opportunity to work on tax projects in #Zambia, #Tanzania, #Uganda and #Rwanda!
Research Associate (PSA) - Tax and Social Protection – at Helsinki, Finland
We are #hiring!
We're looking for a Research Associate to our Domestic Revenue Mobilization programme. If you're a researcher with a knowledge of #tax, #socialprotection, and #development, join our team: go.unu.edu/v6ROd
#UNcareers #AcademicOpportunity #DRMprogramme
Sebastian Castillo retweeted
.@ITAXjournal is currently seeking nominations for possible vacancies in the positions of editor-in-chief, policy watch editors, and associate editors. We would be delighted to receive your nominations (including self nominations)!
Nominate here: uky.az1.qualtrics.com/jfe/fo…