Periklis Daflos
Periklis Daflos
@perikl.is
perikl.is
Reposted by Periklis Daflos
Do you teach #rstats? Do your students complain about how lame and old-fashioned dplyr is? Don't worry: I have the solution for you: github.com/hadley/genzp....

genzplyr is dplyr, but bussin fr fr no cap.
GitHub - hadley/genzplyr: dplyr but make it bussin fr fr no cap
dplyr but make it bussin fr fr no cap. Contribute to hadley/genzplyr development by creating an account on GitHub.
github.com
November 6, 2025 at 11:25 PM
Reposted by Periklis Daflos
A widely held view is that the Gini coefficient is not decomposable by subgroups. This paper proposes an axiomatic framework that ensures well-behaved within and between-group terms under which the Gini is decomposable with a novel and unique formula. buff.ly/XdnzG6F
October 24, 2025 at 1:05 PM
Reposted by Periklis Daflos
I wrote an updated guide on which AIs to use right now, & some tips on how to use them (and how to avoid falling into some common traps)

A lot has changed since I last wrote a guide like this in the spring, and AI has gotten much more useful as a result. open.substack.com/pub/oneusefu...
An Opinionated Guide to Using AI Right Now
What AI to use in late 2025
open.substack.com
October 19, 2025 at 6:48 PM
Reposted by Periklis Daflos
The incredible numbers - an actual trillion of investment, via an unquoted start up - and circularities (Nvidia investing in OpenAI and Intel, OpenAi in AMD, billion dollar purchases paid with stock, the cash, where's the cash etc? - are just mind boggling

on.ft.com/4mNOdCh
OpenAI’s computing deals top $1tn
Partners including Nvidia, AMD and Oracle have signed up to Sam Altman’s huge bet on the future of artificial intelligence
on.ft.com
October 7, 2025 at 5:40 AM
For once it‘s worth looking at the comment section here
September 21, 2025 at 8:57 AM
Sehr lesenswerter Artikel zur katastrophalen Lage von Studierenden aus Südasien an privaten deutschen Hochschulen taz.de/Junge-Inder-...
Junge Inder in Deutschland: Das Geschäft mit den Studis
Ritik Yadav und Shivam Kumar kamen zum Studium an einer Privat-Uni nach Deutschland. Jetzt arbeiten sie beim Lieferdienst und in der Gastro.
taz.de
September 16, 2025 at 10:16 AM
Reposted by Periklis Daflos
Ooh, @posit.co's Positron is no longer in beta as of this week(!), and it recently added support for DuckDB databases in the Connections Pane positron.posit.co/connections-... - any db connection you add with {connections} shows up there—this is magical! #rstats
July 3, 2025 at 2:04 PM
Reposted by Periklis Daflos
Why is Scandinavia the Most Gender Equal Place in the World?

My two part series weaves economic history, sociology, and my own qualitative research

1) www.ggd.world/p/why-is-sca...

2) www.ggd.world/p/why-is-sca...
June 22, 2025 at 11:51 PM
I wonder what the results of this paper would look like today, after many years of speed optimizations in many programming languages www.sas.upenn.edu/~jesusfv/com...
www.sas.upenn.edu
June 20, 2025 at 7:52 AM
Reposted by Periklis Daflos
Very nice article on rising market power and the fall of the labour share www.chicagobooth.edu/review/are-e...
Are Employers Playing a Game of Monopsony?
Labor’s share of national income has fallen, and competition for workers may have something to do with it.
www.chicagobooth.edu
May 27, 2025 at 6:41 AM
Reposted by Periklis Daflos
Olivier Blanchard argues that we should understand better the macroeconomics of the medium run, and I could not agree more. Since I have been working on this for a while, let me show you why this is a promising field for young researchers!
April 6, 2025 at 4:57 PM
Amazing piece on how recent TV shows haven't been that great, actually: www.readtrung.com/p/the-case-a...
The Case Against Streaming TV Shows
New streaming TV shows ask for a 20-30 hour time commitment. Unlike network TV, you will often be binge-ing alone and may never even get a pay-off (or the pay-off will suck).
www.readtrung.com
March 26, 2025 at 8:30 PM
The blog post linked at the end of this thread (and the thread itself) is a very nice summary of recent research on how cross-gender friendships affect gender equality, check it out!
The corresponding working paper can be found here: www.nber.org/papers/w33480
February 22, 2025 at 10:02 AM
After reading this paper, I don't understand why ABM hasn't found its way into modern Macro yet, especially as ABM is basically the definition of Microfoundations. doi.org/10.1093/oxre...
An interdisciplinary model for macroeconomics
Abstract. Macroeconomic modelling has been under intense scrutiny since the Great Financial Crisis, when serious shortcomings were exposed in the methodolo
doi.org
December 17, 2024 at 9:37 AM
It looks like not all Germans living in Spain are living in Mallorca after all!
(Map created with a tool by Pablo García-Guzmán: pablogguz.shinyapps.io/dataviz_migr...)
December 15, 2024 at 10:53 AM
Reposted by Periklis Daflos
Trying something new:
A 🧵 on a topic I find many students struggle with: "why do their 📊 look more professional than my 📊?"

It's *lots* of tiny decisions that aren't the defaults in many libraries, so let's break down 1 simple graph by @jburnmurdoch.bsky.social

🔗 www.ft.com/content/73a1...
November 20, 2024 at 5:09 PM