Publications

06 Apr 2016
Research & Ideas

Should Entrepreneurs Pitch Products or Ideas for Products?

idea because the monopoly surplus is higher than that from a duopoly,” Luo explains. This intuition was originally developed by her colleagues Dennis Yao at Harvard Business School and Jim Anton from Duke University. “This threat is more... View Details

Keywords: by Carmen Nobel; Motion Pictures & Video; Entertainment & Recreation; Banking

2019
Working Paper

Collusion in Markets with Syndication

By: John William Hatfield, Scott Duke Kominers, Richard Lowery and Jordan M. Barry

Many markets, including markets for IPOs and debt issuances, are syndicated: each winning bidder invites competitors to join its syndicate to complete production. Using repeated extensive form games, we show that collusion in syndicated markets may become easier as... View Details

Keywords: Collusion; Antitrust; IPO Underwriting; Syndication; ＂Repeated Games＂

SSRN

July 2024
Case

Stellar Development Foundation

By: Shai Benjamin Bernstein, Scott Duke Kominers and George Gonzalez

Blockchain pioneer Stellar Development Foundation oversees one of the earliest and largest crypto networks (Stellar) and the management of its native token XLM. The foundation partnered with cross-border payments provider MoneyGram to help on and off-ramp... View Details

Keywords: Blockchain; Cryptocurrency; Payments; Business or Company Management; Networks; Partners and Partnerships; Currency; Entrepreneurship; Technology Industry

Educators

Forthcoming
Article

Collusion in Brokered Markets

By: John William Hatfield, Scott Duke Kominers and Richard Lowery

High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to... View Details

SSRN

October 2017
Case

Updating Dating

By: Thomas R. Eisenmann, Scott Duke Kominers and Alan Lam

To identify design ideas for their own startup, two MBAs compare the different profiling, matching, and monetization approaches employed by five incumbent dating services: Coffee Meets Bagel, OKCupid, Jiayuan, Dating Ring, and HurryDate. View Details

Keywords: Marketplace Design; Dating Services; Entrepreneurship; Market Design; United States; China

Educators

May 2017
Article

Stable and Strategy-Proof Matching with Flexible Allotments

By: John William Hatfield, Scott Duke Kominers and Alexander Westkamp

We introduce a framework of matching with flexible allotments that can be used to model firms with cross-division hiring restrictions. Our framework also allows us to nest some prior models of matching with distributional constraints. Building upon our recent work on... View Details

Keywords: Balance and Stability; Mathematical Methods

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May 2014
Article

Investment Incentives in Labor Market Matching

By: John William Hatfield, Fuhito Kojima and Scott Duke Kominers

We provide an illustration of how the design of labor market clearing mechanisms can affect incentives for human capital acquisition. Specifically, we extend the labor market matching model (with discrete transfers) of Kelso and Crawford (1982) to incorporate the... View Details

Keywords: Human Capital; Marketplace Matching

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14 Jan 2008
Research & Ideas

Mapping Polluters, Encouraging Protectors

associate professor at the Fuqua School and faculty director of Duke University's Corporate Sustainability Initiative. They received essential technical expertise from student programmers who were fascinated by environmental issues,... View Details

Keywords: by Martha Lagace; Manufacturing; Chemical

January 2021
Article

Chain Stability in Trading Networks

By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and... View Details

Keywords: Matching; Trading Networks; Chain Stability; Stability; Competitive Equilibria; Full Substitutability; Laws Of Aggregate Supply And Demand; Contracts; Market Design; Balance and Stability

2018
Working Paper

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

Keywords: Substitutability; Mathematical Methods; Auctions; Market Design

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Building a Culture of Awareness and Accountability in your Organization - Recruiting

have a social responsibility for thinking about how you create more joy for people in this world.” After graduating from Duke University with a dual major in Dance and Sociology, and from Harvard Graduate School of Education with an EdM... View Details

10 Feb 2021
Blog Post

What You Can Do to Create an Anti-Racist Organization

conversations around social justice. She couples her artistic talent with deep knowledge of how to educate and connect with people, skills she built as a dance and sociology major at Duke University and in her EdM in Policy and Management... View Details

November 2023
Article

Algorithmic Mechanism Design with Investment

By: Mohammad Akbarpour, Scott Duke Kominers, Kevin Michael Li, Shengwu Li and Paul Milgrom

We study the investment incentives created by truthful mechanisms that allocate resources using approximation algorithms. Some approximation algorithms guarantee nearly 100% of the optimal welfare, but have only a zero guarantee when one bidder can invest before... View Details

Keywords: Mechanism Design; Market Design; Auctions

Article

Stability and Competitive Equilibrium in Trading Networks

By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

We introduce a model in which agents in a network can trade via bilateral contracts. We find that when continuous transfers are allowed and utilities are quasi-linear, the full substitutability of preferences is sufficient to guarantee the existence of stable outcomes... View Details

Keywords: Balance and Stability; Markets

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