Econometrics

3 articles

Steering vectors estimate an average regression gradient

Activation steering approximates an average regression gradient, cosine 0.63 in our data, and classic estimator choices change how hard the vector steers.

Jun 2026 · Methodology

What Agents Actually Do (And What They Don't)

An agent is a specification-bounded process. Its output quality depends on prompt precision and project context, not hidden model capabilities.

Mar 2026 · Methodology

Building a Better Metric: The Residualized Accessibility Index

Income, density, and car ownership explain 81% of county-level food-security vulnerability; residualization separates the structural signal from the rest.

Nov 2025 · Methodology