Gonzalo Ballestero
@ballesterogh
PhD candidate in Economics @PennStateEcon | Empirical Market Design, Economics of Educaction, IO
Helping students navigate complex educational decisions may yield higher college enrollment and better long-term returns than covering tuition costs, says @LaetitiaRenee of @UMontreal. #Chart aeaweb.org/research/chart…
La Nación citó un informe que escribmos sobre el Examen Nacional de Residencias Médicas en Argentina. El trabajo busca aportar evidencia al debate público sobre los sesgos del sistema de admisión
La lucha por un lugar: así fue el megaexamen con 13.476 inscriptos y 7687 vacantes para residencias médicas | por Fabiola Czubaj lanacion.com.ar/sociedad/la-lu…
BREAKING: Apple just proved AI "reasoning" models like Claude, DeepSeek-R1, and o3-mini don't actually reason at all. They just memorize patterns really well. Here's what Apple discovered: (hint: we're not as close to AGI as the hype suggests)
As per usual, the most wealthy/educated/established people know how to game seemingly objective bureaucracies the most
Offering an empirical approach to study channels of discrimination in voting, from Amanda de Albuquerque, Frederico Finan, @AnubhavPc, Laura Karpuska, and Francesco Trebbi nber.org/papers/w33859
Useful paper in the "Journal of Economic Literature" on how artificial intelligence may change the research process in economics, describing several use cases (e.g. ideation and feedback, writing, background, research, data analysis, coding, and mathematical derivations).
Neglecting option value distorts high-stakes decisions in college choices, from Ao Wang, Shaoda Wang, and @Xiaoyang_Ye nber.org/papers/w33704
Earnings of 12,000 (new) PhD #economists who completed their degrees between 2001 and 2017 & were employed in the US following graduation.
Using an analysis of over 8,000 economics PhDs and their advisors to find what determines economics PhD student research success, from @metrics52 and @MarcDiederichs nber.org/papers/w33281
Initial firm placement does not affect worker career performance or wages ... ... at least in the NFL.
Very excited to release a major revision to our paper on algorithmic collusion by large language models. #EconTwitter
🚨Major new version🚨 Algorithmic Collusion by Large Language Models Joint w/@sarafish_ & @RanShorrer LLMs are automating many business decisions. Pricing might be next (or is already). What if multiple firms, in good faith, use off-the-shelf-LLMs for pricing? 1/3 #EconTwitter
A Julia package automated the process of using reinforcement learning to solve discrete-time heterogeneous-agent macroeconomic models. Models with discrete choice, matching, aggregate uncertainly, and multiple locations are supported. Don’t miss out: youtube.com/watch?v=zzZmG9…
Should low-achieving students retake exams or be allowed to pass? Recently published in @JPubEcon by @AspasiaB, @VATT_research @rmegal, @MonashUni Stefania Simion, @BristolUniEcon 🧵below by @AspasiaB 👇
✨New paper ✨ Do students improve their performance upon retaking high-stakes exams at the end of high-school? Does retaking allow them to access better postsecondary institutions? [1/6] sciencedirect.com/science/articl…
Marvin Minsky recalls how John Nash effortlessly solved his PhD problem
Finally my job market paper has been published in Management Science! And of course, it uses data from chess players!
The Sherman Act (1890) was written to prevent old fashioned price fixing: picture two men meeting in a smoky bar. It requires overt communication of intent to coordinate on prices. But pricing algorithms can automatically coordinate on high prices. What is algorithmic collusion?
📜🔊 New episode of How I Wrote This 💥💥 How does a retailer learn to set prices? How do researchers learn to write a paper about it? Tune in to hear my interview with Yufeng Huang, Paul Ellickson, & Mitch Lovett, all at Simon Business School. podcasts.apple.com/us/podcast/how…
1/6 📢 @mhinnosaar and I have just finalized a paper we've been working on for several years. It is about #InfluencerCartels: social media influencers who collude to secure higher ad fees by inflating engagement metrics. Here's the thread. marit.hinnosaar.net/influencer_car…
Happy to present my work about Algorithmic Collusion in the Pennsylvania Economic Theory Conference (PETCO) '24 @PennStateEcon
