Best of #econtwitter - Week of October 9, 2022 [1/3]

Oct 09, 2022

Welcome readers old and new to this week’s edition of Best of Econtwitter. Please submit suggestions — very much including your own work! — over email or on Twitter @just_economics.

This is part one of three.

Paper summaries

Fabian Eckert@fpeckert

We are super excited to put this out into the world with @Conor_A_Walsh and @sharatganapati. It’s the result of a long effort to think about the origins of the urban-biased growth that has been reshaping our politics and society for the last 40 years. A little thread 🧵

NBER @nberpubs

IT adoption at large business services firms can account for most of the urban-biased growth of the US economy since 1980, from @fpeckert, @sharatganapati, and Conor Walsh https://t.co/oyVW5E4ByI https://t.co/kBNsAcUwS6

4:49 PM · Oct 6, 2022

24 Reposts · 71 Likes

Fabian Eckert@fpeckert

3/ Turns out, the Business Services sector alone account for all urban-biased growth. Business Services: Information, Finance, Management and Professional Services, Admin Services, and Real Estate. Outside these industries wage growth was very balanced across space.

4:49 PM · Oct 6, 2022

2 Reposts · 7 Likes

Adrien Matray@AdrienMatray

Delighted to announce that our paper with the incredible @BauNatalie on how foreign capital reduces misallocation in India is officially forthcoming at ECMA 🥳🥳. A quick 🧵

12:55 PM · Oct 4, 2022

23 Reposts · 281 Likes

Matteo Paradisi@MatteoParadisi

I am so happy that our paper on Career Spillovers inside firms is out on @RevEconStudies! It has been quite a journey since we started in 2015! Hopefully, this is just a first step of a broader agenda that we are working on. Summary of the paper below.

The Review of Economic Studies @RevEconStudies

``Administrative data from Italy show that lengthening the careers of older workers blocks promotions and limits wage growth of younger coworkers, but only in nongrowing firms.'' From @BianchiEcon, Bovini, Li, @MatteoParadisi and @convexify: https://t.co/V6HKEbDmht https://t.co/ez24Xpz9Og

2:23 PM · Oct 3, 2022

14 Reposts · 170 Likes

Stefanie Stantcheva@S_Stantcheva

Are you interested in running your own surveys to answer important questions? I often get asked to share best practices & advice. So I decided to write a comprehensive "how to" guide covering the complete survey process from beginning to end: scholar.harvard.edu/files/stantche…

2:46 PM · Oct 5, 2022

428 Reposts · 1.86K Likes

Kevin Bryan@Afinetheorem

Really wild paper from DeepMind: deepmind.com/blog/discoveri… ; consider multiplying two 3x3 matrices. Using inner products like you surely learned, you need to multiply 27 numbers (plus some addition, but * is much harder computationally than +, so ignore that). But 27 isn't best!

deepmind.com

Discovering novel algorithms with AlphaTensor