Publications

December 2018
Article

Reserve Design: Unintended Consequences and the Demise of Boston's Walk Zones

By: Umut Dur, Scott Duke Kominers, Parag A. Pathak and Tayfun Sönmez

Admissions policies often use reserves to grant certain applicants higher priority for some (but not all) available seats. Boston’s school choice system, for example, reserved half of each school’s seats for local neighborhood applicants while leaving the other half... View Details

Keywords: Neighborhoods; Equal Access; School Choice; Affirmative Action; Desegregation; Marketplace Matching; Fairness; Local Range; Education; Policy

Find at Harvard

February 2024
Article

An Economic Framework for Vaccine Prioritization

By: Mohammad Akbarpour, Eric Budish, Piotr Dworczak and Scott Duke Kominers

We propose an economic framework for determining the optimal allocation of a scarce supply of vaccines that become gradually available during a public health crisis, such as the Covid-19 pandemic. Agents differ in observable and unobservable characteristics, and the... View Details

Keywords: Vaccine; Fairness; Public Finance; Public Goods; Allocation Problems; Allocative Efficiency; Allocation Rules; Social Welfare; Pandemics; Inequality; COVID-19; COVID-19 Pandemic; Public Sector; Resource Allocation; Market Design; Marketplace Matching; Public Administration Industry

SSRN

01 Feb 2001
News

Classic Lines

attracting some fifteen million viewers weekly. Enter Dekkers Davidson (MBA '82), CEO of Antiques America, an online company (antiquesamerica.com) that brings together buyers and sellers in this $25 billion market and wants to be the... View Details

Keywords: antiques; Information

01 Dec 2012
News

Alvin Roth Wins Nobel Prize in Economics

Shapley, of the 2012 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel. The men were recognized for their contributions to solving a core economic problem—how to match different agents as well as possible. "Al started... View Details

19 Nov 2018
Sharpening Your Skills

E-Santa: Is Retail Ready for Digital Christmas?

brick-and-mortar shops: Shove your best deals to the back of the store. Should Retailers Match Their Own Prices Online and in Stores? For multichannel retailers, pricing strategy can be difficult to execute and confusing to shoppers. Can... View Details

Keywords: by Sean Silverthorne; Retail

13 Jun 2018
Sharpening Your Skills

That Costs HOW Much?

"Price is what you pay. Value is what you get." For makers of that product, the price will help determine the target audience, help define marketing strategy, and, ultimately, decide whether the company makes money. In other... View Details

Keywords: by Sean Silverthorne; Retail

October 2017
Case

Shift Technologies, Inc.

By: Thomas Eisenmann and Nicole Tempest Keller

In 2017, management at Shift, an online marketplace that uses a “high touch,” concierge approach to buy and sell used cars, was formulating plans for the San Francisco–based startup’s next phase of expansion. One option was to preserve Shift’s current business model... View Details

Keywords: Entrepreneurship; Market Design; Multi-Sided Platforms; Marketplace Matching; Growth and Development Strategy; Decision Choices and Conditions; Auto Industry; Retail Industry; United States

July 1996
Case

Edmund's--www.edmunds.com

Edmund's publishes an automobile price guide in books (600,000 units per year) and over the Internet (16,000 users a day and growing). The site can be visited at www.edmunds.com. In the marketplace, it makes money selling books. In the marketspace, they make their... View Details

Keywords: Business or Company Management; Digital Platforms; Marketplace Matching; Information Publishing; Information Industry; Auto Industry

09 Jun 2009
First Look

First Look: June 9

Klaus, Flip Klijn, and Markus Walzl Abstract Using a bi-choice graph technique (Klaus and Klijn, 2009), we show that a matching-for-a-roommate market indirectly dominates another matching if and only if no... View Details

Keywords: Martha Lagace

2009
Working Paper

'I read Playboy for the Articles': Justifying and Rationalizing Questionable Preferences

By: Zoe Chance and Michael I. Norton

Keywords: Job Search; Market Participation; Market Transactions; Marketplace Matching; Relationships; Social and Collaborative Networks

14 Jun 2017
Working Paper Summaries

Minimizing Justified Envy in School Choice: The Design of New Orleans' OneApp

Keywords: by Atila Abdulkadiroglu, Yeon-Koo Che, Parag A. Pathak, Alvin E. Roth, and Oliver Tercieux; Education

2011
Working Paper

Individual Rationality and Participation in Large Scale, Multi-Hospital Kidney Exchange

By: Itai Ashlagi and Alvin E. Roth

As multi-hospital kidney exchange clearinghouses have grown, the set of players has grown from patients and surgeons to include hospitals. Hospitals have the option of enrolling only their hard-to-match patient-donor pairs, while conducting easily arranged exchanges... View Details

Keywords: Health Care and Treatment; Resource Allocation; Market Participation; Marketplace Matching; Organizations; Networks; Motivation and Incentives; Health Industry

2017
Working Paper

Minimizing Justified Envy in School Choice: The Design of New Orleans' OneApp

By: Atila Abdulkadiroglu, Yeon-Koo Che, Parag A. Pathak, Alvin E. Roth and Oliver Tercieux

In 2012, New Orleans Recovery School District (RSD) became the first U.S. district to unify charter and traditional public school admissions in a single-offer assignment mechanism known as OneApp. The RSD also became the first district to use a mechanism based on Top... View Details

Keywords: Education; Decision Choices and Conditions; Marketplace Matching; Mathematical Methods; Design

September 2010 (Revised October 2011)
Case

Chances Are? Course Selection at HBS and at Kellogg

By: Hanna Halaburda and Aldo Sesia

The case describes two alternative elective course assignment procedures: Harvard Business School's lottery-based system and Kellogg Graduate School of Management's bidding-based system. The case has been designed to discuss the benefits and drawbacks of each system... View Details

Keywords: Business Education; Curriculum and Courses; Higher Education; Auctions; Marketplace Matching; Groups and Teams; Strategy; Education Industry; Sports Industry; United States

August 2018 (Revised February 2022)
Case

Lexoo: Building a Long-Lasting Platform

By: Chiara Farronato and Elena Corsi

Daniel van Binsbergen, Lexoo’s CEO, and web developer Chris O’Sullivan, CTO, had set up Lexoo, a UK legal marketplace, to help small and medium enterprises (SME) find legal advice at low prices. Lexoo had recently invested in a new vertical focused on larger companies.... View Details

Keywords: Marketplaces; Legal Services; Growth Strategy; Technology Ventures; Service Operations; Digital Platforms; Marketplace Matching; Growth and Development Strategy; Legal Services Industry; United Kingdom

January 8, 2025
Article

Why Retailers Are Turning to Third-Party Marketplaces

By: Antonio Moreno

Some traditional retailers—including Walmart, Target, and Best Buy—are adopting third-party marketplaces, which connect customers with external sellers and thereby offer customers a much broader selection. Many other traditional retailers are considering whether to... View Details

Keywords: Marketplace Matching; Distribution Channels; Customer Focus and Relationships; Cost vs Benefits; Retail Industry