Alvaro J. Castro Rivadeneira
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micokoch.bsky.social
Alvaro J. Castro Rivadeneira
@micokoch.bsky.social
PhD student in epidemiology at UMass Amherst working on gambling
This paper blew me away, because it is counterintuitive and shocking how baked in our human biases may be in these models that even simple optimization problems can induce problematic behaviors. arxiv.org/abs/2509.22818
Can Large Language Models Develop Gambling Addiction?
This study explores whether large language models can exhibit behavioral patterns similar to human gambling addictions. As LLMs are increasingly utilized in financial decision-making domains such as a...
arxiv.org
October 31, 2025 at 5:31 PM
I loved this deep dive into one of my favorite standards. There is a great playlist in the show notes, too!
The newest Strong Songs is about Jerome Kern's "All The Things You Are," and how a 1930s show tune evolved into a ubiquitous jazz standard.

I went through a bunch of different versions of the song from the 40s all the way up to today, and I learned a lot in the process. I hope you dig it! 🎶
S07E07 - "All The Things You Are" by Jerome Kern & Oscar Hammerstein I
The jazz standard "All The Things You Are" has been performed countless times by master jazz vocalists, 30s big bands, bebop small groups, hard-bop combos, modern deconstructionists, and even soon-to-...
strongsongspodcast.com
June 3, 2025 at 5:08 PM
Reposted by Alvaro J. Castro Rivadeneira
"Once, men turned their thinking over to machines in the hope that this would set them free. But that only permitted other men with machines to enslave them"
April 19, 2025 at 3:37 PM
@mattpfox.bsky.social - the article you mentioned as a preprint on the SERious EPI podcast on regression discontinuity is now in Nature. Ahead of the curve! www.nature.com/articles/s41...
A natural experiment on the effect of herpes zoster vaccination on dementia - Nature
Using a natural experiment that avoids common bias concerns, this study finds that the live-attenuated shingles vaccine reduced the probability of a new dementia diagnosis within a follow-up period of...
www.nature.com
April 2, 2025 at 7:31 PM
I went to an awesome solo ~guitar evening featuring @nbraddo.bsky.social and Paulo Angelino at the Drake in Amherst and was inspired to write about it:
micokoch.github.io/me/blog.html...
álvaro j. castro rivadeneira
micokoch.github.io
March 24, 2025 at 8:52 PM
Reposted by Alvaro J. Castro Rivadeneira
En 2023, EE.UU. destinó cerca de $1.800 millones de dólares en ayuda a Latinoamérica. La suspensión de USAID obliga a gobiernos, ONGs y contratistas a cancelar proyectos, despedir personal y anular contratos. Te dejamos algunos ejemplos sobre las consecuencias para la región.🧵
February 19, 2025 at 11:01 AM
Reposted by Alvaro J. Castro Rivadeneira
C'est ce dont s'acquitte quelqu'un comme Bill Gates, qui touche des milliards de dividendes Microsoft

Certains milliardaires américains ont trouvé d'autres techniques d'évasion, mais en moyenne ils payent plus que nos Français (la barre est basse, certes)

gabriel-zucman.eu/files/report...
February 7, 2025 at 2:55 PM
~Estafa, venta de cargos públicos, simulación de funciones públicas, robo de combustible, violencia intrafamiliar, delincuencia organizada y asesinato. 11% de los aspirantes a asambleístas (236 de los 2.089 candidatos) tienen denuncias penales desde el 2014. #Ecuador
gk.city/2025/02/02/c...
February 7, 2025 at 10:41 AM
Brilliant think piece on whether primary care physicians should do preventive medicine: "Considerably more effective and less costly interventions would be public policy such as taxes and regulations that may not be attractive politically but, unlike primary care, actually succeed."
We were supposed to have fixed this with the move of PH to LAs in 2012. The NHS is supposed to do treatment local gov is supposed to do prevention. The problem is that the NHS has way more money than local gov, so ends up being touted as the solution to every problem www.bmj.com/content/388/...
Sacrificing patient care for prevention: distortion of the role of general practice
Expansion of preventive clinical recommendations in primary care has had the unintended consequence of destabilising this foundation of the healthcare system, argue Minna Johansson and colleagues Fo...
www.bmj.com
February 7, 2025 at 10:37 AM
~In Octavia Butler's "The Parable of the Sower" climate change has disrupted society. A new, populist pro-business, anti-regulation president gets elected, enacting policies that intensify inequality. Written in 1993, Butler’s prophetic book is set in 2024-2027.
www.democracynow.org/2025/1/16/in...
January 23, 2025 at 3:13 PM
"Democracy is predicated on formal, substantive equality: one person, one vote. Capitalism is not, and is incompatible with substantive equality, because it is composed of workers and owners, success and failure, rich and poor."
www.nybooks.com/articles/202...
December 28, 2024 at 6:21 PM
Reposted by Alvaro J. Castro Rivadeneira
📢 In Defense Of Atari 📢

New blog post in which I argue why the ALE is still a valuable resource for RL research!

psc-g.github.io/posts/resear...
December 4, 2024 at 12:07 AM
"The aforementioned results support that paternal caregiving phenotypes rely on the same neural and hormonal substrates as maternal caregiving, referred to as the global human caregiving network."
[I wonder about the difference in magnitude of these changes]
jamanetwork.com/journals/jam...
jamanetwork.com
November 25, 2024 at 7:26 PM