Miklós Koren
banner
koren.mk
Miklós Koren
@koren.mk
Professor at ceu.edu. Data Editor at Restud.com.
Pinned
How to make sure you ran reproduce all steps of your research months later? We demoed our CLI tool bead.zip that saves code and data together at RSECon at Warwick. Slides bead.zip/rsecon25
Words you only hear in a vibe coding session:

"Now let me deploy and test"
November 19, 2025 at 9:43 AM
Hungarians will understand what this is for.
November 15, 2025 at 12:08 PM
My rainbow window sticker approves of the music. Prepping for KGLW concert tomorrow.
November 11, 2025 at 9:03 AM
I had an AI agent refer to SQLite as "noSQL-like DB."

Looks like it was trained on Medium/LinkedIn bullshit but I told it in no uncertain terms that this does not pass with me.
November 10, 2025 at 7:28 AM
Today I was playing with econometrics (matrices and stuff) as well as relational data modelling (how are different entities related) and realized something.

> Econometrics is data modelling without the data.

I made a similar point in a talk some years ago (github.com/korenmiklos/...)
github.com
October 17, 2025 at 12:56 PM
This morning I heard my son hum Nirvana in the bathroom. Not sure if I should be proud or worried.
October 16, 2025 at 6:04 AM
I subscribed to Google Gemini and cancelled it within 5 minutes.

I wanted to create a Google Form from a survey instrument in Google Doc. Gemini cannot do that. It suggested to go to Google Forms and create one myself, using the Doc as a guide.
October 12, 2025 at 1:38 PM
Super stoked about Krasznahorkai's Nobel Prize. A beautiful interview with him from a couple years ago: www.guardian.co.uk/books/2012/a...
László Krasznahorkai interview: 'This society is the result of 10,000 years?'
The Hungarian writer behind the formally experimental Satantango talks punctuation, inspiration and money-motivation to Richard Lea
www.guardian.co.uk
October 10, 2025 at 7:15 AM
When you start your commit message with bigfux: instead of bugfix: you can be sure it was a major bug.
September 29, 2025 at 6:35 PM
How to make sure you ran reproduce all steps of your research months later? We demoed our CLI tool bead.zip that saves code and data together at RSECon at Warwick. Slides bead.zip/rsecon25
September 15, 2025 at 6:55 AM
I have been working with coding AI agents several hours a day in the past couple of months. You get to know their style.

Grok is like Elon Musk. Moving fast and breaking things at 10x speed. Not apologizing either.
September 15, 2025 at 6:40 AM
For the narrow subset of #econsky people clinging to their Stata and crunching big datasets with @duckdb.org, I have vibe coded a DuckDB extension that reads .dta files.

koren.dev/software/

Give it a spin and report issues! (Thanks, @anthropic.com Claude Code and the Python Pandas implementation.)
July 29, 2025 at 4:53 PM
Always excited to hear Elhanan Helpman. If you're in Vienna, come by.

events.ceu.edu/2025-05-07/p...
Public Lecture: Elhanan Helpman
events.ceu.edu
March 25, 2025 at 5:37 PM
Why I love OneDrive, part 78.

My local folder is called

/Users/koren/OneDrive\ -\ Central\ European\ University\ \(CEU\ GmbH\ Hungarian\ Branch\ Office\)/

Luckily, I can symlink.
March 25, 2025 at 6:56 AM
Austrian Airlines is pitching Budapest for me.

I mean, I love the city. But as long as this is how well AI understands us, I feel safe.
March 14, 2025 at 10:33 AM
I see a lot of scripts where the file name encodes some structure. Like analysis_this.do, analysis_that.do and plot_this.do, plot_that.do

If you have such a clear structure, you are best served by folders. It just as easy to write "src/analysis/whatever.do" as "src/analysis_whatever.do".
February 27, 2025 at 2:58 PM
Ceci n’est pas une espresso machine.
February 20, 2025 at 4:14 PM
To me this seems similar to the early days of the internet. A promising technology with no product. Once the initial bubble bursts, we may yet see fantastic products leveraging the tech.
Newsletter: Generative AI is a marketing con perpetuated by Sam Altman and Dario Amodei through a mixture of lies and half-truths carried by a tech media that fails to ask the right questions. Outside of ChatGPT, generative AI companies barely get any traffic at all.

www.wheresyoured.at/longcon/
The Generative AI Con
It's been just over two years and two months since ChatGPT launched, and in that time we've seen Large Language Models (LLMs) blossom from a novel concept into one of the most craven cons of the 21st ...
www.wheresyoured.at
February 17, 2025 at 9:55 PM
New level unlocked: typing an email, three letters into a word in the second sentence, get distracted, then go back and try to figure out what words begin with those three letters.

#adhdlife
February 17, 2025 at 6:36 AM
Why did we develop Kezdi.jl and what can you do with it?

Watch my presentation at JuliaCon in Eindhoven. #juliacon #juliasky #econsky

youtu.be/JklbLwgePis?...

docs.koren.dev/Kezdi.jl/dev/
Kezdi.jl: A data analysis package for economists | Koren | JuliaCon 2024
YouTube video by The Julia Programming Language
youtu.be
February 13, 2025 at 6:35 PM
The fact that i’ve been listening to Bob Dylan, Joan Baez, Donovan and John Lennon these past days doesn’t mean I won’t defend capitalism in a degrowth debate. koren.dev/events/2025-...

I like to keep my music out of my science.
February 12, 2025 at 10:10 AM
Why not just set up a national firewall? Blocking terms like, you know, Tiananmen Square.
1. EXCLUSIVE

Today, the NSA is planning a "Big Delete" of websites and internal network content that contain any of 27 banned words, including "privilege," "bias," and "inclusion," a NSA source tells Popular Information.

The massive purge is creating chaos, taking down "mission-related" work
The NSA's "Big Delete"
Today, the National Security Agency (NSA) is planning a "Big Delete" of websites and internal network content that contain any of 27 banned words, including "privilege," "bias," and "inclusion." The "...
popular.info
February 10, 2025 at 5:13 PM
Dylan goes full electric here and his voice is scruffier than usual, but what a great live album!
February 10, 2025 at 11:12 AM
This the kind of music vinyl is invented for.

Go watch the Bob Dylan biopic. Timothée Chalamet is great. #nowspinning
February 9, 2025 at 7:41 PM