Lotteries in Student Assignment: An Equivalence Result
NBER Working Paper No. 16140
This paper formally examines two competing methods of conducting a lottery in assigning students to schools, motivated by the design of the centralized high school student assignment system in New York City. The main result of the paper is that a single and multiple lottery mechanism are equivalent for the problem of allocating students to schools in which students have strict preferences and the schools are indifferent. In proving this result, a new approach is introduced, that simplifies and unifies all the known equivalence results in the house allocation literature. Along the way, two new mechanisms -- Partitioned Random Priority and Partitioned Random Endowment -- are introduced for the house allocation problem. These mechanisms generalize widely studied mechanisms for the house allocation problem and may be appropriate for the many-to-one setting such as the school choice problem.
Document Object Identifier (DOI): 10.3386/w16140
Published: Pathak, Parag A. & Jay Sethuraman. "Lotteries in student assignment: An equivalence result." Theoretical Economics 6, 1 (2011): 1-17. citation courtesy of
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