Tom Raster @tomraster Twitter profile

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Tom Raster

@tomraster

11 months

Excited to post my JMP Breaking the Ice: The Persistent Effects of Pioneers on Trade Relationships The world gets connected by pioneers: first movers who explore new destinations I show how pioneers are key for trade but there is room for improvement #EconTwitter #EconJobMarket

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Tom Raster

@tomraster

8 months

Thrilled to be joining the LSE as an Assistant Professor in the @LSEEcHist Department! Extremely grateful to all who helped on the way: @PikettyWIL , @ezhuravskaya , Ed Glaeser, Sheilagh Ogilvie, and many many others! #EconTwitter #econjobmarket @LSEnews

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Tom Raster

@tomraster

11 months

This is me😀! Thread about this paper coming soon! I'm on the #EconJobMarket this year, check for my #JMP and other projects. #EconTwitter

Thomas Piketty

@PikettyWIL

11 months

This historical research shows that working conditions are determined by power relations and institutions, and not simply by supply and demand. These findings are also relevant for modern labour markets, e.g. for migrant workers in Gulf countries, Europe or elsewhere. @tomraster

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Tom Raster

@tomraster

2 years

Very excited to start teaching at #Harvard . Political Economy here I come 😊 (Photo is of the Design School, which is perhaps more of a landmark building 😉) #econtwitter

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Tom Raster

@tomraster

2 years

Very excited to visit @PrincetonEcon for 2 weeks from Monday! Feel free to message me if you would like to meet 😁

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Tom Raster

@tomraster

2 years

Extremely grateful to receive funding from @ICMigrations and to be named a fellow in the Dynamics department alongside great scholars like @sschneiderstraw . Much looking forward to this great opportunity 😃😃

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Tom Raster

@tomraster

11 months

Interested? Abstract and link to paper here 😊 🔗 Also, check out my other projects (forced labor, modern trade, ideology):

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Tom Raster

@tomraster

11 months

This is me!😀 Best place to find more information:

Tom Raster

Welcome to my website! I am an Assistant Professor at the LSE in the Department of Economic History. I received my Ph.D. in economics at the Paris School of Economics in June 2024 under the supervi...

www.tomraster.com

Paris School of Economics

@PSEinfo

11 months

💼 #JOBMARKET (12/15) 🔎 Meet @tomraster ( @PSEinfo - @EHESS_fr ), an EJME and JOE Network candidate presented by the Paris School of Economics on the international Job Market. Read his JM paper, download his CV and visit his personal website:

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Tom Raster

@tomraster

6 months

Looking much forward to it! 😁 Thanks very much to the organizers of this fantastic initiative. 🙏

Laboratory for the Economics of Africa's Past

@LEAP_SU

6 months

Details for the final LEAP #webinar for 2024, presented by @tomraster Via Zoom, DM to be added to the mail list. #econhist #econtwitter #LEAP_SU

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Tom Raster

@tomraster

7 months

Can't recommend this enough! Mobility is a great thing during a PhD and @amseaixmars is fantastic place!

Cecilia García Peñalosa

@CGarciaPenalosa

7 months

Are you currently doing a PhD in economics? Join us at @amseaixmars for a year with our guest PhD grants for students in the final year of their PhD elsewhere. Applications close on April 11th. You can find more information here

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Tom Raster

@tomraster

2 years

Very excited to present today on historical forced labor in Eastern Europe at the @LSEEcHist Graduate Seminar! Forced labor is a hot topic as the #QatarWorldCup2022 continues. A satirical German website re-designed the sticker album of players to instead feature migrant workers..

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Tom Raster

@tomraster

1 year

Summers are getting 'complicated' #rhodesfire #climatechange

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Tom Raster

@tomraster

8 months

Great lineup! Looking much forward! 😊

Johan Fourie

@JohanFourieZA

8 months

Join the online LEAP seminar series over the next few months to listen to exciting new research in economic history! @MatiesResearch @LEAP_SU @JoungYeobHa @FFerlenga @madisonarns @VenturiniMiri @BglMarie @tomraster #econhist #econtwitter

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Tom Raster

@tomraster

1 year

Fantastic achievement and a great recognition for economic history as well! 😁 😁

The Nobel Prize

@NobelPrize

1 year

BREAKING NEWS The Royal Swedish Academy of Sciences has decided to award the 2023 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel to Claudia Goldin “for having advanced our understanding of women’s labour market outcomes.” #NobelPrize

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Tom Raster

@tomraster

11 months

I spent>5 years cleaning the Sound Toll data 47k pioneering voyages first connecting 2 towns (e.g. Hamburg-Helsinki) 1.4 million voyages contain: ▶️ origin and destination port ▶️type of product ▶️quantity (sometimes value) ▶️captain name, allows matching across voyages!

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Tom Raster

@tomraster

2 years

The other day at #Harvard Law School, law of one price? 🧐 #EconTwitter

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Tom Raster

@tomraster

11 months

@PikettyWIL This is me😀! Thread about this paper coming soon! I'm on the #EconJobMarket this year, check for my #JMP and other projects. #EconTwitter

Tom Raster

Welcome to my website! I am an Assistant Professor at the LSE in the Department of Economic History. I received my Ph.D. in economics at the Paris School of Economics in June 2024 under the supervi...

www.tomraster.com

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Tom Raster

@tomraster

11 months

❓How much do pioneers increase total exports? 🅰️25-33% per town, but only for the 12% of trade links that survive in the long run ❓Why this low average survival rate? 🅰️Pioneers select less distant ports, but more distant ports survive! ❓Too few pioneers? 🅰️ Likely yes!

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Tom Raster

@tomraster

2 years

Excited to be back in Paris for the World Economic History Congress starting tomorrow, an event that a lot of preparation went into. There also was another event in Paris today.. 😅 #WEHC2022 #EconTwitter #TourDeFrance2022

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Tom Raster

@tomraster

8 months

Looking much forward 😄

ASREC

@ASREC_Religion

8 months

ASREC 2024 is two days away!! It should be an amazing event. The conference program is available here:

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Tom Raster

@tomraster

2 years

The design of Soviet Union books on industry always gets me #EconTwitter

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Tom Raster

@tomraster

11 months

IV #1 : sea ice ▶️Baltic Sea ice is highly varied and uncorrelated between seasons ▶️ My own machine learning model predicts ice at ports for each day from 1500 to 1856 ▶️Ice reroutes captains to new ports if their existing destinations are frozen, creating “accidental pioneers”

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Tom Raster

@tomraster

2 years

Great asset!!

CESifo

@CESifoNetwork

2 years

The German Local Population Database (GPOP), 1871 to 2019 | Felix Roesel | #EconTwitter

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Tom Raster

@tomraster

11 months

Big thanks to my advisor @PikettyWIL , committee members @ezhuravskaya @Sheilagh_C_O , to Ed Glaeser and @leah_boustan , and many other people who supported me on the way!

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Tom Raster

@tomraster

11 months

Identification is #2 key advantage of historical Baltic setting ▶️No fast communication, icebreakers, weather forecast ▶️Therefore: Quasi-random voyage-level "events at sea" that create pioneers: IV #1 : sea ice IV #2 : random encounters between captains

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Tom Raster

@tomraster

11 months

▶️No causal or long-run evidence because of lacking: #1 Data: no market-level or long-run granular firm data #2 Identification: pioneering is highly endogenous (strategic selection + policies) In my JMP, I overcome both those challenges by drawing on a historical setting...

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Tom Raster

@tomraster

1 year

👇 👇 👇

Zachary Bleemer

@zbleemer

1 year

Everyone should listen to the end of Claudia Goldin's interview with Orley Ashenfelter, in which she discusses her experience as a woman in economics. The whole interview is as wonderful as everything @PikaGoldin does, but start at 32:45:

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Tom Raster

@tomraster

11 months

...Trade of Baltic Sea ports with the rest of the world between 1500 and the 1850s. #1 Data: The Sound Toll records: - unparalleled archival trade records - collected at the Sound, the main Baltic Sea gateway #2 Identification: instruments for pioneering

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Tom Raster

@tomraster

11 months

Background ▶️Insufficient experimentation relative to a social optimum is a general concern in economics ▶️ In trade this concern is very pronounced: exporting has high fixed costs and discoveries might be publicly shared ▶️Insufficient pioneers? If true: large market failure

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Tom Raster

@tomraster

10 months

a lot to be done in research on trade 😊

Pol Antras

@pol_antras

10 months

I disagree with this view, and it is almost certainly wrong. In 1897, Pareto proclaimed in the JPE that he had devised “an effectively complete theory of international trade”. We’ve made a bit of progress since then! 😅

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Tom Raster

@tomraster

11 months

However, 𝐦𝐨𝐫𝐞 distant trade partners are more lasting and more active in the long run! Hence, the choice of pioneers is not optimal! This also explains why forced experimentation due to ice particularly boosts trade: pioneers are forced out of their comfort zone!

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Tom Raster

@tomraster

11 months

▶️Find: Individual pioneering persistently increases town-level trade through: trade with pioneered port + no diversion from existing destinations ▶️ Survival rate of pioneered links is only 12%. Why? ▶️Effects are particularly large for forced experimentation due to ice! Why?

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Tom Raster

@tomraster

1 year

Exciting news 😁😁

Melissa Dell

@MelissaLDell

1 year

I’m excited to share American Stories, a new billion-scale dataset of structured texts/layouts from public domain newspapers (1780-1960) that we’ve built using our deep learning packages. #EconTwitter (1/13) Paper: Dataset:

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Tom Raster

@tomraster

11 months

Final point that pioneers matter for aggregate trade: Pioneer characteristics matter! More experienced pioneer captains (those who traded on more dyads, with more products, and have been on more voyages) create more lasting trade links.

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Tom Raster

@tomraster

11 months

What do those findings imply? Only a small fraction of the effect of pioneers is through their own trade - the rest is through spillovers. Great for pioneers' social relevance! But also concerning: low private incentives to pioneer ➡️likely too few pioneers Room for policy!

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Tom Raster

@tomraster

11 months

The average effect of pioneers is reduced by their selection of ports. ▶️ On average, pioneers select 𝐥𝐞𝐬𝐬 distant ports ▶️ Distance: kilometers, but also religion, language and product mix (relative to the origin port or the origin port’s existing trade partners)

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Tom Raster

@tomraster

11 months

IV #2 : encounters with oncoming captains at the Sound ▶️ I show that encounters on a given day are quasi-random ▶️ Encounters determine a captain's destination choice, including pioneering voyages to new ports ▶️Both IVs at voyage level and used in town level (gravity) 2. stage

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Tom Raster

@tomraster

1 year

South->North road is still blocked on #Rhodes east coast after #Gennadi as of 2h ago, west coast road is open #rhodesfire

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Tom Raster

@tomraster

2 years

Great initiative #turkey #TurkeyEarthquake 👇👇👇

Ahmet Akbiyik

@ahmetakbiyik_en

2 years

I’m raising money for the earthquake has hit my hometown in Turkey. An anonymous benefactor has agreed to match all contributions up to a total of $3,000. The NGO collecting the donations is based in the US and is tax-deductible. Click to Donate:

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Tom Raster

@tomraster

11 months

@JohanFourieZA @LukasLeucht @sophieli_econ @ResemMakan @carlomedici @masow13 @AlexNTaylor_ @VenturiniMiri @wei_jinlin @laurayww @ZimingZhu7 Many thanks Johan for putting this together! 😊

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Tom Raster

@tomraster

2 years

Shocked to find out about this. Some well-known economist were paid large sums by Uber to produce 'academic' research that makes Uber look good 🤦‍♂️🤦‍♂️This is the opposite of economists serving society... #econtwitter #uberfiles

Uber paid academics six-figure sums for research to feed to the media

High-profile professors in Europe and the US were engaged as part of lobbying campaign, leak shows

www.theguardian.com

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Tom Raster

@tomraster

2 years

An unlikely enemy hit the Paris Sewer Museum

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Tom Raster

@tomraster

11 months

@kbburchardi Thanks so much! 😀

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Tom Raster

@tomraster

1 year

I learned a lot! Thanks so much for organizing!

Scott Gehlbach

@sgehlbach

1 year

Thus concludes the 2023 Summer Workshop in the Economic History and Historical Political Economy of Russia. Economists, historians, and political scientists, in roughly equal measure. A short thread with a few highlights. 1/

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Tom Raster

@tomraster

8 months

@msaleh1982 @LSEnews @LSEEcHist Thank you so much, Mohamed! I am very very looking forward! 😄😄

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Tom Raster

@tomraster

11 months

@VinPons @Harvard Big congratulations 😊 😊!!

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Tom Raster

@tomraster

2 years

Congratulations, Eric! 🎉 👏

Le Cercle des économistes

@Cercle_eco

2 years

👏 @MonnetEric , 39 ans, est lauréat du #PMJE 2022 ! Spécialiste d’ #histoire monétaire et financière, il s'est notamment penché sur le rôle des banques centrales dans la politique économique. @EHESS_fr @PSEinfo @cepr_org Son interview dans @lemondefr :

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Tom Raster

@tomraster

2 years

@nvasilenok @Natkhov @felipev84 Big congratz 🎉🎉 :)

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Tom Raster

@tomraster

2 years

😨😨😨

Thomas Portes

@Portes_Thomas

2 years

Au #Br ésil les partisans de Bolsonaro ont décidé de s’attaquer au congrès ! Comme avec Trump, les militants d’extrême-droite refusent d’accepter la défaite. Ils ont réussi à pénétrer dans le congrès. Ce qui se passe est gravissime.

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Tom Raster

@tomraster

1 year

👇 👇 👇

Shruti Rajagopalan

@srajagopalan

1 year

I kick off the 2023 job market series of @IdeasofIndia Duncan Webb @dunc_webb , a PhD candidate in economics @PSEinfo . We discuss his field experiment on how group discussions by cisgender customers reduces prejudice against transgender workers. @mercatus

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Tom Raster

@tomraster

2 years

👇👇👇

Taxes to Soar 200% for Rich Colombians in Bill Inspired by Thomas Piketty

When Colombia’s new leftist president, Gustavo Petro, unveiled a plan to impose a wealth tax on the rich just hours after being sworn in, the alarm bells rang only so loudly in the fashionable...

www.bloomberg.com

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Tom Raster

@tomraster

1 year

@econ_uzh @julian_schaerer @unige_en Glückwunsch, Julian!! 😁 😁

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Tom Raster

@tomraster

2 years

Good question!

Mushfiq Mobarak

@mushfiq_econ

2 years

Should we celebrate or be concerned about the fact that @amazon / @Uber etc. now hire many Ph.D. economists? A perspective from an academic investing time in training both Ph.D.s and MBAs [1/7]

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Tom Raster

@tomraster

2 years

The fantastic keynote speeches of this summer's World Economic History Congress XIX are now available on YouTube for everyone, check them out 😃 👇👇👇

WEHC2022

www.youtube.com

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Tom Raster

@tomraster

11 months

@MDrelichman @ubcVSE Thanks so much, Mauricio 😀 ECON 531 was indeed the starting point of this research and also very formative otherwise!

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Tom Raster

@tomraster

2 years

🎉🎉

Theresa Neef

@ThereFeen

2 years

I am delighted that @Mona_BARAKE , @PChouc , @gabriel_zucman and I received the best paper award of this year’s Franco-German #FiscalPolicySeminar . Thank you to the organisers and participants for 2 days of state-of-the-art policy-informing research and many fruitful exchanges!

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Tom Raster

@tomraster

2 years

After my recent first trip to Scandinavia I can confirm that for fashion (although it looks pretty)

The Cultural Tutor

@culturaltutor

2 years

Has the world become less colourful? (This graph shows the colour of objects over time)

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Tom Raster

@tomraster

7 months

@CGarciaPenalosa @amseaixmars @LSEEcHist Thanks so much, Cecilia 😊

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Tom Raster

@tomraster

1 year

@TUIDeutschland , warum verlagen Sie Umbuchungsgebühren für Evakuierungsflüge aus #Rhodos ? #rhodesfire #rhodeswildfires #Rhodes

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Tom Raster

@tomraster

7 months

@msaleh1982 Congratulations 🎉 🎉 😊

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Tom Raster

@tomraster

2 years

👇👇👇

Thomas Piketty

@PikettyWIL

2 years

Un grand merci à Claire Alet @clairealet et Benjamin Adam pour cette magnifique adaptation de Capital et idéologie en BD!

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Tom Raster

@tomraster

8 months

@AlbrechtRitschl @LSEEcHist Vielen Dank, Albrecht! Freue mich sehr! 😄😄

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Tom Raster

@tomraster

8 months

@BreyBjorn @NHHEcon Congratulations 🎉 😁!!

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Tom Raster

@tomraster

11 months

#EconJobMarket #EconTwitter

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Tom Raster

@tomraster

2 years

👇👇👇

Greg Erhardt

@GregErhardt

2 years

I'm an academic who has studied ride-hailing. In 2017, I visited Uber HQ to ask for data. The data I wanted would be aggregate to avoid privacy issues, and I intended to share it with my published papers, so others could verify. Here's what Uber staff said...

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Tom Raster

@tomraster

11 months

@LuisDiazecon @amorygethin Thanks very much! The animations are done with gganimate in R.

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Tom Raster

@tomraster

2 years

Yes!!

Branko Milanovic

@BrankoMilan

2 years

During the past couple of years I have heard rumors and more than rumors about ostensibly left-wing economists and public intellectuals charging significant or even obscene fees for academic or near-academic events. I do not think it is okay.

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Tom Raster

@tomraster

2 years

@JhengShao Ah, happy to hear that 😁😁

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Tom Raster

@tomraster

2 years

Looking much forward! 😁

Valette Jérôme

@Je_Valette

2 years

April, 17: Workshop on the economics of migration by @ICMigrations & @PSEinfo at @cdf1530 . Presentations by @CemOzguzel , @liam_econ , @EmeriauMathilde and @tomraster .

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Tom Raster

@tomraster

2 years

Good @DB_Presse ! (The list is actually longer)

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Tom Raster

@tomraster

2 years

100% success rate of German anti-ballistic missile system in Ukraine 🇺🇦

Klitschko

@Klitschko

2 years

Die heutigen Angriffe auf 🇺🇦 konnten nur dank 🇩🇪 Raketenabwehr verhindert werden! 16 Raketen wurden durch IRIS T abgefangen! Wir danken der 🇩🇪 Regierung und insbesondere Bundeskanzler Olaf Scholz sowie Verteidigungsministerin Lambrecht für diese Hilfe, die jeden Tag Leben rettet!

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Tom Raster

@tomraster

2 years

👇👇 😊

Valette Jérôme

@Je_Valette

2 years

Exciting news! Call for papers for the Junior Workshop on the Economics of Migration. This is a fantastic opportunity to present your work and meet in-person with keynote speakers Cátia Batista (NOVA SBE), Simone Bertoli (CERDI) & Frédéric Docquier (LISER).

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