A government agency wants an infrastructure-based public service to be provided. Our experimental study compares two different modes of provision. In a public-private partnership, the two tasks of building the infrastructure and operating it are delegated to one private contractor (a...

We examine the effect of single-sex classes on the pass rates, grades, and continued enrollment of students in a coeducational university. We randomly assign students to all-female, all-male, and coed classes and, therefore, get around the selection issues present in studies on single-sex...