In the last decade, numerous student assignment systems have been redesigned using
input from economists in the large American cities and elsewhere. This article reviews some …

Public policy in modern India features affirmative action programs intended to reduce
inequality that stems from a centuries-old caste structure and history of disparate treatment …

COVID-19 has revealed limitations of existing mechanisms for rationing medical resources
under emergency scenarios. Many argue that these mechanisms abandon various ethical …

Randomization is commonplace in everyday resource allocation. We generalize the theory
of randomized assignment to accommodate multi-unit allocations and various real-world …

Controlled choice over public schools attempts giving parents selection options while
maintaining diversity of different student types. In practice, diversity constraints are often …

This paper investigates the welfare effects of affirmative action policies in school choice. We
show that affirmative action policies can have perverse consequences. Specifically, we …

Branch selection is a key decision in a cadet's military career. Cadets at USMA can increase
their branch priorities at a fraction of slots by extending their service agreement. This real …

We introduce a two‐sided, many‐to‐one matching with contracts model in which agents with
unit demand match to branches that may have multiple slots available to accept contracts …

We characterize choice rules for schools that regard students as substitutes while
expressing preferences for a diverse student body. The stable (or fair) assignment of …

We show that in the presence of admissions reserves, the effect of the precedence order (ie,
the order in which different types of seats are filled) is comparable to the effect of adjusting …