Arnab Bhattacharjee
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econarnab.bsky.social
Arnab Bhattacharjee
@econarnab.bsky.social
Prof Econ @ebs-hwu.bsky.social, Res Lead NIESR @niesrorg.bsky.social, Committee MMF Money Macro Fin Soc
4-gen migrant, 1-gen grad
Ex CB, cricket. Now: Films, ancient music
"Patterns without Structure aid neither Change nor Policy." Usual disclaimer.
Reposted by Arnab Bhattacharjee
"With no substantial initiatives targeting low-income households, the living standards and living conditions of the working poor will continue to stagnate."

Our @econarnab.bsky.social on the #SpringStatement and UK living standards 🏘👇

10/n 🧵
March 26, 2025 at 1:28 PM
Reposted by Arnab Bhattacharjee
If econ memes had a Nobel Prize, @khoavuumn.bsky.social would have won it by popular acclaim. He's beloved in our community of online economists for his kindness and wit. Definite follow.
March 19, 2025 at 9:02 PM
Reposted by Arnab Bhattacharjee
Our Living Standards event is in one week! ⏰

We'll hear from expert panelists @helenbarnard.bsky.social, Elizabeth Campbell, Tim Leunig and our @maxmosley.bsky.social, chaired by ITV's Joel Hills 👏💬

Sign up here ⬇ @trusselluk.bsky.social @lsepublicpolicy.bsky.social
niesr.ac.uk/event/why-ar...
March 6, 2025 at 1:43 PM
Reposted by Arnab Bhattacharjee
OUT NOW! Our Latest NIER Issue: Climate Sustainability 🌱📃

Volume 266 is introduced by our @econarnab.bsky.social & Adrian Pabst and @uniofstandrews.bsky.social's J. Roderick McCrorie ✍

Read their article "#Climate Sustainability - Evidence and Policy" here ⬇🔓
www.cambridge.org/core/journal...
February 20, 2025 at 11:13 AM
Reposted by Arnab Bhattacharjee
The Forum has begun! 🎬Keep following this thread for updates 🧵

Don't forget that our UK Economic Outlook is now available to read in full ⬇⚡

niesr.ac.uk/publications...

#UKEconomy #GlobalEconomy #EconTwitter
@RoyalEconSoc

1/n
February 14, 2025 at 11:06 AM
Reposted by Arnab Bhattacharjee
And finally, over to @econarnab.bsky.social to present our outlook for the #DevolvedNations, English Regions and UK #households 💬

Arnab starts with key messages on living standards ⬇

For the bottom 20% of households, living standards will not return to 2021-22 levels before 2027 🏘

11/n
February 14, 2025 at 11:30 AM
Reposted by Arnab Bhattacharjee
Our UK Economic Outlook will be published tomorrow! ⚡ A comprehensive forecast on the #UKeconomy in 2025 and beyond 📊

In the meantime, don't miss this blog, where @econstevem.bsky.social asks Benjamin Caswell for an overview as to what we might expect to see in it 📈👇
niesr.ac.uk/blog/outlook...
Outlook for the UK Economy: Growth, Inflation and Fiscal Challenges - NIESR
Our Quarterly UK Economic Outlook will be published later this week, providing a comprehensive forecast on the UK economy in 2025 and beyond. In this Monday Interview, our Interim Director, Stephen Mi...
niesr.ac.uk
February 11, 2025 at 12:48 PM
Reposted by Arnab Bhattacharjee
We've created a starter pack for all of the economics journals on Bluesky. Please nominate other journals to join the list.

go.bsky.app/4kR21vX
November 27, 2024 at 2:44 PM
Reposted by Arnab Bhattacharjee
This paper by the late, great Nick Crafts, on competition and productivity in the UK, well worth a read: cepr.org/voxeu/column...
January 22, 2025 at 8:57 AM
Reposted by Arnab Bhattacharjee
This comment reanalyzes data from Oprea (2014) and draws different conclusions. What should AER do? papers.ssrn.com/sol3/papers.cf…

1️⃣ <a href="https://poll.blue/p/PhcYuC/1" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">Retract original
2️⃣ <a href="https://poll.blue/p/PhcYuC/2" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">Publish whole comment (37 pp)
3️⃣ <a href="https://poll.blue/p/PhcYuC/3" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">Publish shorter comment
4️⃣ <a href="https://poll.blue/p/PhcYuC/4" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">Do nothing

📊 Show results
February 7, 2025 at 6:53 PM
Reposted by Arnab Bhattacharjee
Forthcoming article by @clement-s-bellet.bsky.social and Eve Colson-Sihra "Does Inequality Affect the Needs of the Poor? @eeanews.bsky.social

doi.org/10.1093/jeea...
Does Inequality Affect the Needs of the Poor?*
Abstract. We investigate how inequality affects what is considered most necessary to purchase. Combining detailed consumption surveys in India with an inst
doi.org
January 23, 2025 at 7:06 AM
Reposted by Arnab Bhattacharjee
Great piece on model collapse - the output passed the LGTM test (looks good to me) but has errors. This output then trains further LLMs and then weakens LLMs and ultimately the model collapses (garbage in, garbage out)
open.substack.com/pub/garymarc...
Deep Research, Deep Bullshit, and the potential (model) collapse of science
Sam Altman’s hype might just bite us all in the behind
open.substack.com
February 4, 2025 at 7:07 AM
Reposted by Arnab Bhattacharjee
link 📈🤖
Univariate-Guided Sparse Regression (Chatterjee, Hastie, Tibshirani) In this paper, we introduce ``UniLasso'' -- a novel statistical method for regression. This two-stage approach preserves the signs of the univariate coefficients and leverages their magnitude. Both of these properties ar
January 31, 2025 at 4:32 PM
Reposted by Arnab Bhattacharjee
Firms struggle to forecast, often making over-optimistic inaccurate forecasts. Running a 5-year 6,000 firm experiment finds that simple data interventions can yield large improvements, from Nicholas Bloom, Mihai A. Codreanu, and Robert A. Fletcher https://www.nber.org/papers/w33384
January 28, 2025 at 10:00 PM
Reposted by Arnab Bhattacharjee
New working paper alert: "Financing Innovation: The Role of Patent Examination". @steve-bill-econ.bsky.social, Christopher Coyle and I have been working on this for quite a while now. We are excited to have a full draft for your enjoyment! www.quceh.org.uk/uploads/1/0/...
January 28, 2025 at 3:28 PM