내가 좋아할 만한 콘텐츠
papers.ssrn.com/sol3/papers.cf… Machine Learning Meets Markowitz by Wang et al. "The standard approach to portfolio selection involves two stages: forecast the asset returns and then plug them into an optimizer. We argue that this separation is deeply problematic. The first stage treats…
Official NYC Congestion Pricing verdict: it's working Through November— • Foot traffic: +3.4% YoY • Sales tax revenue: +6.3% YoY • Storefront vacancy: -0.9% YoY • Pollution: -22% (first 6 months) • Vehicle traffic: -11% YoY (-71.5k per day) • Est. Revenue: $548.3M…
Super interesting! "Structural Reinforcement Learning for Heterogeneous Agent Macroeconomics" by Yucheng Yang, Chiyuan Wang, Andreas Schaab, and Benjamin Moll. "We present a new approach to formulating and solving heterogeneous agent models with aggregate risk. We replace the…
Farmers drove tractors into Brussels on Thursday, blocking roads and clashing with police outside an EU leaders’ summit to protest a proposed free-trade deal with South American nations.
This is why supply-side reforms will be so critical—and so difficult for Democrats. For the last 90 years, Dems’ plan for making things affordable is just writing checks to favored individuals. It sort of worked due to the massive infrastructure investments made in WWII that…
If a Democrat wins the presidency in 2028, there is a ticking time bomb awaiting them that threatens to blow up their hopes of enacting their economic agenda. My piece today gets into the ugly math -- and what Democrats can do to avoid this outcome. 1/
The script is predictable. The United States asks the Europe to cooperate on X issue. Europe refuses to cooperate, says the United States is destroying the alliance. United States says fine, we will do our thing to protect ourselves from X. After X harms Europe, European leaders…
Oh god. another one of these. Do I really have to respond to another one of these? No. I don't? Well I will anyways. The framing is both Trump AND economists blew it. Egg on the face of both sides. The piece sets up "TRUMP" predictions vs. "ECONOMISTS" predictions across six…
If you're in your early 20s, and have been 'academically gifted' almost without much effort, read this. You're about to discover that, for the very first time, life will demand effort from you. You're about to fail. Miserably. Quite soon, and inevitably as well. You cannot…
Men who are more than 30 Give advice to men who are in their 20s The topic can be anything
Here's an underrated theory paper on college admissions. When the stakes get high, we end up selecting too many people who are good at gaming the system, and too few who are actually good.
You mean the time a nuclear power plant took a mega quake and a mega tsunami to the face and still didn’t suffer a full meltdown or result in a confirmed death? The area is so safe that residents returned to the area and you can tour the accident area.
An amazing article came out yesterday. Seven German journalism students, as a continuation of their OSINT course project, tracked the movements of ships with Russian crews off the coasts of the Netherlands and Germany and linked them to swarms of drones appearing over European…
>be me, staff economist at the Fed >watching Powell box up his "I survived the transitory inflation" mug >dude spent 4 years threading a needle between jobs and prices >door kicks open, Hassett strolls in >wearing a "DOW 100,000" novelty button >first policy meeting, slams a…
The NeurIPS Generative AI in Finance workshop sites.google.com/view/neurips-2… had some genuinely useful stuff buried in it. I'm pulling together notes for ML4T 3rd ed anyway, so here's what stood out from the first 5 talks: #NeurIPS2025 #QuantFinance
Sales: just need your yes on this one Legal: yes this is illegal
After seeing that high-dimensional unit balls hide almost all their volume in a thin shell, here’s an even crazier sequel: A high-dimensional Gaussian is not a cosy bell with mass cuddled at the peak, it’s basically empty in the centre, with almost all the probability living in…
Paper accepted in RISKS. Link to come. The paper isn't technically difficult, but has large consequences in forecasting: even if you forecast in the Gaussian domain, the future has thicker tails than the Gaussian.
My most important paper ever: How uncertainty (errors on errors) fattens the tails. Connects to all epistemological traditions. w/@DrCirillo Pages 1-4
they’re inventing map projections you can’t even fathom on cartography twitter
This badboy
How did people even learn to code when there was no docs, no YouTube… nothing? Genuinely curious.
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