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- March 2020 (Revised September 2020)
- Case
Opportunity Insights: Research and Policy for Social Mobility
By: Scott Duke Kominers, Jeffrey Huizinga and Allison Ciechanover
Opportunity Insights -- a non-profit that researches drivers of economic opportunity and develops policy solutions to help families achieve better life outcomes -- seeks to expand its impact. View Details
- February 2020
- Case
Klöckner & Co: Steeling for a Digital World
By: Scott Duke Kominers and Carin-Isabel Knoop
Hoping to get ahead of potential digital disruption at Klöckner & Co.—one of the world’s largest steel and metal distributors—CEO Gisbert Rühl set up both kloeckner.i (KCI), an internal transformation arm, and XOM Materials (XOM), an independent industry platform. KCI... View Details
- January 2020
- Case
Lunchclub: Algorithmic Networking
By: Scott Duke Kominers and George Gonzalez
Algorithmic networking startup Lunchclub coordinates in-person meetings between professionals who would have been unlikely to meet. The company faces marketplace design, growth, and monetization challenges: The executive team has to refine Lunchclub's marketplace... View Details
- January 27, 2020
- Article
Food-Stamp Work Requirements Just Look Cruel
The rule doesn’t help beneficiaries find the steady employment that doesn’t exist. View Details
- Article
Fake AI People Won't Fix Online Dating
Computer-generated images may inspire even more distrust and surely won’t lead to the love of a lifetime. View Details
- 2019
- Article
Configurations of Extremal Type II Codes via Harmonic Weight Enumerators
By: Noam D. Elkies and Scott Duke Kominers
We prove configuration results for extremal Type II codes, analogous to the configuration results of Ozeki and of the second author for extremal Type II lattices. Specifically, we show that for n ∈{8,24,32,48,56,72,96} every extremal Type II code of length n is... View Details
Keywords: Mathematical Methods
- December 2019
- Article
Costly Concessions: An Empirical Framework for Matching with Imperfectly Transferable Utility
By: Alfred Galichon, Scott Duke Kominers and Simon Weber
We introduce an empirical framework for models of matching with imperfectly transferable utility and unobserved heterogeneity in tastes. Our framework allows us to characterize matching equilibrium in a flexible way that includes as special cases the classic fully- and... View Details
- December 2019
- Article
Patent Trolls: Evidence from Targeted Firms
By: Lauren Cohen, Umit Gurun and Scott Duke Kominers
We provide the first large-sample evidence on the behavior and impact of nonpracticing entities (NPEs) in the intellectual-property space. We find that, on average, NPEs appear to behave as opportunistic “patent trolls.” NPEs sue cash-rich firms and target cash in... View Details
- November 2019
- Article
Full Substitutability
By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp
Various forms of substitutability are essential for establishing the existence of equilibria and other useful properties in diverse settings such as matching, auctions, and exchange economies with indivisible goods. We extend earlier models’ definitions of... View Details
- October 14, 2019
- Article
Starbucks Stores That Only Accept Mobile Orders Sure Beat the Line
- 2020
- Working Paper
Collusion in Brokered Markets
By: John William Hatfield, Scott Duke Kominers and Richard Lowery
The U.S. residential real estate agency market presents a puzzle for economic theory: commissions on real estate transactions have remained high for decades even though entry is frequent and costs are low. We model the real estate agency market, and other brokered... View Details
- September 2019
- Article
Optimizing Reserves in School Choice: A Dynamic Programming Approach
By: Franklyn Wang, Ravi Jagadeesan and Scott Duke Kominers
We introduce a new model of school choice with reserves in which a social planner is constrained by a limited supply of reserve seats and tries to find an optimal matching according to a social welfare function. We construct the optimal distribution of reserves via a... View Details
- November 2019
- Other Article
Corrigendum to "Multilateral Matching"
By: Keisuke Bando, Toshiyuki Hirai, John William Hatfield and Scott Duke Kominers
We identify an error in the claim by Hatfield and Kominers (2015) that every stable outcome in the setting of multilateral matching with contracts is efficient. We then show that the result can be recovered under a suitable differentiability condition. View Details
- 2019
- Article
Allocation for Social Good: Auditing Mechanisms for Utility Maximization
By: Taylor Lundy, Alexander Wei, Hu Fu, Scott Duke Kominers and Kevin Leyton-Brown
- Article
People Make It So Hard to Ditch Plastic Straws
Rarely has a minor consumer product received more vilification than the plastic straw. As a symbol of human wastefulness and our careless disregard for the environment, straws are the near-perfect villain. You use a plastic straw once and toss it, but it stays with us... View Details
- 2019
- Article
Ridesharing with Driver Location Preferences
By: Duncan Rheingans-Yoo, Scott Duke Kominers, Hongyao Ma and David C. Parkes
We study revenue-optimal pricing and driver compensation in ridesharing platforms when drivers have heterogeneous preferences over locations. If a platform ignores drivers' location preferences, it may make inefficient trip dispatches; moreover, drivers may strategize... View Details