Research

New research suggests that the population of undocumented immigrants in the United States may be 22 million, nearly twice what has been believed.

Yale SOM economist Barbara Biasi studied what actually happened when some school districts in Wisconsin started paying partly based on effectiveness.

A new study found that local disruptions, whether hurricanes or economic booms, affect the national economy differently depending partly on how much an area’s industries are connected to other sectors and regions.

When you’re picking out a jacket or a sofa, does it matter in what order you decide on its color, style, and material? New research suggests that the sequence may change how you categorize the object and how you decide to replace it.

Deceptive articles on investment websites appear to temporarily boost stock prices for small firms, according to research by Yale SOM’s Marina Niessner and Tobias Moskowitz.

Does gender bias prevent women from being treated fairly in job interviews, performance assessments, and other evaluations? Data from an online stock recommendation platform suggests that women’s ideas simply get less attention than their male colleagues’.

A study co-authored by Yale SOM researchers Florian Ederer and Song Ma suggests that “killer acquisitions” by pharmaceutical companies are potentially limiting the number of new treatments available.

A statistical tool that predicts when patients with advanced cancer are likely to die could help promote patient welfare by transferring more people from aggressive interventions to hospice care.

Venture capital investments in more racially integrated cities are more effective, producing more innovation and economic growth. Yale SOM’s Olav Sorenson explains why that might be.

The Peter Principle says that hierarchical organizations suffer because effective workers are promoted until they reach their “level of incompetence.” Yale SOM's Kelly Shue and her collaborators set out to test the oft-cited theory.