Publications

SSRN

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December 2024
Article

Respect for Improvements and Comparative Statics in Matching Markets

By: Scott Duke Kominers

One of the oldest results in the theory of two-sided matching is the entry comparative static, which shows that under the Gale–Shapley deferred acceptance algorithm, adding a new agent to one side of the market makes all the agents on the other side weakly... View Details

Keywords: Market Entry and Exit; Marketplace Matching; Mathematical Methods; Market Design

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

Keywords: Matching; Reserves; Dynamic Programming; Marketplace Matching; Mathematical Methods

Find at Harvard

2024
Working Paper

What Triggers National Stock Market Jumps?

By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon

We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details

Keywords: Uncertainty; Policy Uncertainty; Stock Market; Financial Markets; Volatility; Risk and Uncertainty; Policy; Newspapers

Article

Who Will Vote Quadratically? Voter Turnout and Votes Cast Under Quadratic Voting

By: Louis Kaplow and Scott Duke Kominers

Who will vote quadratically in large-N elections under quadratic voting (QV)? First, who will vote? Although the core QV literature assumes that everyone votes, turnout is endogenous. Drawing on other work, we consider the representativeness of endogenously... View Details

Keywords: Voting Turnout; Paradox Of Voting; Quadratic Voting; Pivotality; Elections; Voting; Political Elections; Mathematical Methods

2022
Book

The Role of Innovation and Entrepreneurship in Economic Growth

By: Michael J. Andrews, Aaron Chatterji, Josh Lerner and Scott Stern

We live in an era in which innovation and entrepreneurship seem ubiquitous, particularly in regions like Silicon Valley, Boston, and the Research Triangle Park. But many metrics of economic growth, such as productivity growth and business dynamism, have been at best... View Details

Keywords: Productivity Growth; Production Technologies; Innovation and Invention; Entrepreneurship; Economic Growth; Competition; Organizational Design; Economic Slowdown and Stagnation

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22 Mar 2011
First Look

First Look: March 22

and overly restricting access to credit and consumer choice. Nicolas Retsinas, Eric Belsky, and their colleagues aim to stimulate debate based on analysis of the opportunities and challenges presented by the various components of global... View Details

Keywords: Sean Silverthorne

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

Keywords: Monetization Strategy; Networking; Business Startups; Marketplace Matching; Market Design; Growth and Development Strategy; Information Industry

Educators

04 Jan 2012
First Look

First Look: January 4

globalization is working to facilitate greater diversity in beauty ideals again. Re-Developing Leaders: The Harvard Advanced Leadership Experiment in Even Higher Education Author:Rosabeth M. Kanter Publication:In The Handbook for Teaching Leadership: Knowing, Doing,... View Details

Keywords: Carmen Nobel

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

May 2017
Other Article

Stepwise Distributed Open Innovation Contests for Software Development: Acceleration of Genome-Wide Association Analysis

By: Andrew Hill, Po-Ru Loh, Ragu B. Bharadwaj, Pascal Pons, Jingbo Shang, Eva C. Guinan, Karim R. Lakhani, Iain Kilty and Scott Jelinsky

BACKGROUND: The association of differing genotypes with disease-related phenotypic traits offers great potential to both help identify new therapeutic targets and support stratification of patients who would gain the greatest benefit from specific drug classes.... View Details

Keywords: Crowdsourcing; Genome-wide Association Study; Logistic Regression; Open Innovation; PLINK; Collaborative Innovation and Invention

14 Nov 2017
First Look

New Research and Ideas: November 14, 2017

experts to discuss how researchers can impact a broader audience, by lending their scientific expertise to pressing social issues, current events, and public debates. The landmark Brown v. Board of Education case, in which the Supreme... View Details

Keywords: Carmen Nobel

07 Nov 2017
First Look

New Research and Ideas: November 7, 2017

were essential, and radical corporate social responsibility concepts were pursued by some firms. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=53419 forthcoming Capitalism Beyond Mutuality New Prospects for... View Details

Keywords: Carmen Nobel

18 Feb 2014
First Look

First Look: February 18

and by incorporating user innovation. We then examine how this ease of external engagement impacts the organization and its strategic activities. Specifically, we consider how this shift in information processing costs affects... View Details

Keywords: Sean Silverthorne

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

22 May 2018
First Look

New Research and Ideas, May 22, 2018

exit, output, and R&D. Taxing the continued operation of incumbents can lead to sizable gains (of the order of 1.4% improvement in welfare) by encouraging exit of less productive firms and freeing up skilled labor to be used for... View Details

Keywords: Dina Gerdeman

June 2007 (Revised January 2009)
Case

Nextel Partners: Put Option

By: Timothy A. Luehrman and Douglas Scott

Nextel Partners' shareholders have voted to exercise a put option that will require the company's largest shareholder, Sprint Nextel Corp., to purchase all the shares it does not already own. However, the put option does not stipulate a price to be paid, but rather a... View Details

Keywords: Mergers and Acquisitions; Stock Options; Price; Public Ownership; Valuation

Educators

June 2002
Case

"One Country, Two Systems"? Italy and the Mezzogiorno (B)

By: Bruce R. Scott and Jamie Matthews

In 1992, a corruption investigation and two assassinations created a crisis that prompted the Italian government to dispatch 7,000 troops to Sicily to "retake the island" from the Mafia. This case examines the crisis and the efforts of both the Italian state and the... View Details

Keywords: History; National Security; Crime and Corruption; Economic Slowdown and Stagnation; Italy

Educators