I consider economically sustainable online postsecondary education, including massive open online courses (MOOCs). The analysis suggests that MOOCs will be financially sustainable substitutes for some non-selective postsecondary education, but there are substantial risks. The analysis suggests that MOOCs will be financially sustainable substitutes for only a small share of highly selective postsecondary education (HSPE) and are likely to collapse the economic model that allows HSPE institutions to invest in advanced education and research. I outline a non-MOOC model of online education that may allow HSPE institutions to sustain their distinctive activities and to reach a larger number of students.

Tiebout choice among districts is the most powerful market force in American public education. Naive estimates of its effects are biased by endogenous district formation. I derive instruments from the natural boundaries in a metropolitan area. My results suggest that metropolitan areas with greater Tiebout choice have more productive public schools and less private schooling. Little of the effect of Tiebout choice works through its effect on household sorting. This finding may be explained by another finding: students are equally segregated by school in metropolitan areas with greater and lesser degrees of Tiebout choice among districts.

Previous work demonstrates that low-income higher achievers fail to apply to selective colleges despite their being admitted at high rates and receiving financial aid so generous that they pay less than at non-selective schools. The Expanding College Opportunities project, a randomized controlled trial, provides individualized information about colleges' net prices, resources, curricula, students, and outcomes. Our prior study shows that the intervention raises students' applications to, admissions at, enrollment, and progress at selective colleges. Here we use survey data to show that it actually changes students' knowledge and decision-making. We highlight topics on which they are misinformed.

Pulled Away or Pushed Out? Explaining the Decline of Teacher Aptitude in the United States by Caroline M. Hoxby and Andrew Leigh. Published in volume 94, issue 2, pages 236-240 of American Economic Review, May 2004