Prices for airline tickets rise and fall depending on demand. Yale SOM’s Aniko Öry and Kevin Williams investigated whether such pricing makes airlines and customers better off.

Maximizing the productivity of the workforce will require ongoing policies to boost minority participation, according to a study by Yale SOM’s Aniko Öry and Michèle Müller-Itten of the University of Notre Dame.

New research finds that offering a free tier or giving existing customers bonuses for making referrals—or a combination—can be effective, depending on the size of the audience and whether the project has a social aspect.