A new method to measure homophily in large group interactions offers insights into how groups might interact in the future.

Employees underestimate salary levels in their own industry, leading them to spend less time exploring the job market.

By reevaluating existing data, researchers find the procedure is even more valuable than consensus had indicated.

A collaboration between MIT and Miami-Dade County has students working with city planning officials to understand why people wait patiently for a bus — and why they bail.

In politics, tailored ads make sense, but with real limits to the tailoring.

In a new book, “Risky Business,” Amy Finkelstein examines the core issue of the insurance industry: Who gets to be a customer?

Study: When adults gain access to Medicaid, they sign up their previously unenrolled kids, too — yet many more remain outside the system.

In a new book, an MIT scholar examines how game-theory logic underpins many of our seemingly odd and irrational decisions.

An experiment in Indonesia shows how much subsidies and in-person assistance spur people to get insurance — and how many people stop trying.

Analysis of Medicare data finds location matters, not just past health behavior.