Latest Posts

Behavioral Economics & Transit Policy

The zero price effect explains why politicians love free transit proposals. But making buses free might weaken the rider advocacy that protects service quality.

It Just Ain’t So

Are stock returns normally distributed? Formal normality tests reject this assumption for most equity indices, with major implications for risk management.

Not All AI Skeptics Think Alike

Apple's Illusion of Thinking paper found AI reasoning models collapse at high complexity. But critics argue the methodology, not the models, may be flawed.

Modeling Glycemic Response with XGBoost PROJECT

A hands-on project predicting postprandial glucose curves with XGBoost, Gaussian curve fitting, and 27 engineered features from CGM data. Code on GitHub.

Gambling vs. Investing

Kalshi's CFTC-regulated exchange now offers sports betting nationwide. If you can bet on oil futures, why not NFL touchdowns? The line is thinner than you think.

The Model Said So

LLMs excel at parsing market sentiment and writing reports, but finance demands audit trails and explainable decisions that black box models cannot provide.

Dual Mandate Tensions

New NBER paper shows optimal Fed policy should partially accommodate tariff inflation, exposing a fault line in the dual mandate when prices and jobs conflict.

Trading on Market Sentiment PROJECT

GPT-3.5 matched RavenPack's 41% returns in a sentiment analysis trading strategy using 2,072 news headlines. See the full backtest results and comparison.

Passive Investing's Active Problem

Research shows passive investing makes markets more volatile as index fund growth amplifies each trade's price impact while active managers lag behind.