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  • 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
Keywords: Substitutability; Mathematical Methods; Auctions; Market Design
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  • 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
Related
  • 2015
  • 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' canonical definitions of... View Details
Keywords: Market Design; Balance and Stability
Related
  • Article

Matching in Networks with Bilateral Contracts: Corrigendum

By: John William Hatfield, Ravi Jagadeesan and Scott Duke Kominers
Hatfield and Kominers (2012) introduced a model of matching in networks with bilateral contracts and showed that stable outcomes exist in supply chains when firms' preferences over contracts are fully substitutable. Hatfield and Kominers (2012) also asserted that in... View Details
Keywords: Matching With Contracts; Substitutability; Mathematical Methods
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  • 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
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  • 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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  • 03 Mar 2008
  • Research & Ideas

Marketing Your Way Through a Recession

advertisements by shifting from 30-second to 15-second advertisements, substituting radio for television advertising, or increasing the use of direct marketing, which gives more immediate sales impact. 4. Adjust product portfolios.... View Details
Keywords: by John Quelch
  • 03 Oct 2023
  • Research Event

Build the Life You Want: Arthur Brooks and Oprah Winfrey Share Happiness Tips

learned from her depression after a movie she worked on “bombed;” and how to be not necessarily happy all the time, but happier. Here's a transcript of the full conversation. Jeffrey Goldberg: Please join me in welcoming to the stage... View Details
Keywords: by HBS Staff
  • 11 Aug 2009
  • First Look

First Look: August 11, 2009

more or fewer decision-making responsibilities to managers. By simultaneously addressing the choice of both competitive actions and organizational design, the paper makes an attempt at bringing economic theory and management strategy closer together. An increase in... View Details
Keywords: Martha Lagace
  • 24 Jan 2005
  • Research & Ideas

Rethinking Activity-Based Costing

directly estimate the practical capacity of the resources supplied as a percentage of the theoretical capacity. There are various ways to do this. As a rule of thumb, you could simply assume that practical full capacity is 80 percent to... View Details
Keywords: by Robert S. Kaplan & Steven R. Anderson
  • 23 Apr 2024
  • In Practice

Getting to Net Zero: The Climate Standards and Ecosystem the World Needs Now

With each month clocking record-breaking temperatures across the planet, this Earth Day reflected the renewed urgency of regulators and businesses to find climate-change solutions. The US Securities and Exchange Commission recently adopted new rules that will mandate... View Details
Keywords: by Rachel Layne
  • 01 Dec 2006
  • What Do You Think?

How Important Is Quality of Labor? And How Is It Achieved?

is to assume that quality of labor is genetic ." Flavius Chircu said, "I would simplify the analysis by substituting 'quality of labor' with 'quality of output,' be that output a product, service, or mix thereof." In Sneh... View Details
Keywords: by by Jim Heskett
  • 11 Apr 2022
  • Research & Ideas

A World of Difference: What Keeps Companies from Becoming More Inclusive

substitute that judgment with curiosity, and wonder why someone might think differently about an issue, that is when we learn. So we can start building inclusion by making people realize that their worldview is not necessarily the right... View Details
Keywords: by Jen McFarland Flint
  • 13 Jan 2021
  • Research & Ideas

How 'Small C' Change Can Beat Large-Scale Rebuilding

German Soccer League over a season. Our research results show that leaders can reinvigorate a failing business using team members already in charge, and without large-scale change of direction. We observed that Small C retooling can unlock the View Details
Keywords: by Boris Groysberg, Sascha L. Schmidt, and Sebastian Flegr; Sports
  • 23 Jun 2008
  • Research & Ideas

Innovative Ways to Encourage Personal Savings

this work was published in the Harvard Business Review. My colleagues and I looked at a full range of financial services that were—and were not—available in South Central and communities like it, including payment services, savings,... View Details
Keywords: by Martha Lagace; Financial Services
  • 07 Sep 2011
  • First Look

First Look: Sept. 7

protection through anti-dumping measures, especially given that both industries face the full force of the global economy? We argue that the patterning of anti-dumping actions is best explained in terms of industrial structures, inclusive... View Details
Keywords: Sean Silverthorne
  • 29 Sep 2003
  • Research & Ideas

Why Managing Innovation is Like Theater

length every time. And although art-based processes realize the full capabilities of talented workers and can benefit from great worker talent, by no means do they require exceptional or especially creative individuals. Nor does great... View Details
Keywords: by Rob Austin & Lee Devin
  • 17 Nov 2020
  • In Practice

How Retailers Can Thrive in a Shopping Season Like No Other

value than e-commerce, such as immediacy, curated selection, or allowing touch and feel of non-digital experiential goods. Thinking of online shopping as a compliment and an opportunity, rather than as a substitute and a threat to offline... View Details
Keywords: by Danielle Kost; Retail
  • 12 Sep 2006
  • First Look

First Look: September 12, 2006

& Course MaterialsA123Systems Harvard Business School Case 606-114 A123Systems was a young company that was founded on basic materials science research at the Massachusetts Institute of Technology. A co-founder of the company, Yet-Ming Chiang, was a View Details
Keywords: Sean Silverthorne
  • 20 Sep 2011
  • First Look

First Look: September 20

interdependence between the IGO network and the domestic institutions of states. The interdependence between these global and domestic institutional forms is complex, with target-country democracy being a substitute for economic IGOs, but... View Details
Keywords: Sean Silverthorne

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