Research in Brief

All Roads Lead to Health: Medicaid Expansion Could Be Valuable Regardless of Method

A new study finds that expanding Medicaid has significant positive effects for patients, but whether it happens via traditional Medicaid or private Marketplaces does not make much of a difference.

Money and Polarization: How Campaign Limits Are Both a Solution and a Problem

Raising contribution limits on individual donations polarizes legislators in office, while increasing PAC limits leads to greater moderation.

The Lonely Sequel of China’s One-Child Policy

A recent study shows the struggles of an increasing number of Chinese parents who have lost their only child and will have to rely on the public system for support during their old age.

All Growth Is Local: Housing Supply and the Economics of Mobility

Economists argue that more reasonable zoning regulations could boost social mobility, increase incomes, and expand economic growth.

The Fight to End Blight: What Can Cities Do to Minimize Urban Deterioration?

A study demonstrates the effectiveness of urban containment policies in reducing city blight with the end goal of promoting population growth in downtown neighborhoods.

Partisan Judicial Elections Can Lead to Lower-Quality Judges

When political affiliation is shown on ballots, candidates’ quality has a lower impact on voters' decisions than when it is not; otherwise, voters are more influenced by candidates’ quality and suitability for the job.

How Nudges Can Help Households Internalize Energy Saving Information

A new study proposes a model to estimate the welfare impacts of providing energy saving reports for households. The study shows that this type of nudge overestimates the reports' impact because they do not take into account the overall costs of changing people’s behaviors. However, well-targeted schemes can increase both energy savings and total welfare effects.

Antibiotic Breach: The Fall of Another Powerful Antibiotic Drug

This study presents the first observed case of transmittable antibiotic resistance to colistin, one of the most potent antibiotics available. Colistin belongs to a class of antibiotics of “last resort,” called polymyxin. The study highlights the need for increased regulation of antimicrobial use to avoid a global health crisis.

Climate and Conflict: Why Politicians Should Understand How Climate Change Poses a Threat to Security

The review of 55 scientific articles shows that deviations from moderate climate and precipitation patterns systematically increase the risk of violence and conflict, both on an interpersonal level (assaults, murder, rape) and an intergroup level (political conflicts).

The Impact of Chicago’s Excellence in Teaching Project on Student Performance

After the first year of school, Steinberg and Sartain find that the Excellence in Teaching Project has an impact of 0.10 standard deviations on students' reading scores.