We evaluate a simple allocation mechanism of students to majors at college entry that was commonly used in universities in Brazil in the 1990s and 2000s. Students first chose a single major and then took exams that select them in or out of the chosen major. The literature analyzing student...

In centralized school admissions systems, rationing at oversubscribed schools often uses lotteries in addition to preferences. This partly random assignment is used by empirical researchers to identify the effect of entering a school on outcomes like test scores. This paper formally studies if...

We introduce the notion of sticky-stability in order to accommodate appeal costs in real-life school-choice systems. When appealing is costly, students (or parents) may not find it worth appealing, even if their priorities are violated in their preferred schools. In order to incorporate this...