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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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  • Web

The Five Forces - Institute For Strategy And Competitiveness

Five Forces Threat of Substitute Products or Services Bargaining Power of Suppliers Bargaining Power of Buyers Threat of New Entrants Rivalry Among Existing Competitors The Five Forces is a framework for understanding the competitive... View Details
  • 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
  • Program

Strategic Marketing for Driving Growth

forward-thinking approach. Details Drive integrated, customer-centric marketing strategies Effectively analyze markets, customer needs, and buying behaviors Determine strengths and weaknesses of competitors and substitutes Recognize... View Details
  • Web

Marketing - Faculty & Research

substitute brands, the cost and attractiveness of visiting other stores, and expectations about future brand availability. We use both field data and experiments to investigate these factors. The findings suggest that canary categories... View Details
  • Web

About - Case Method Project

school classes during the school year. Teachers typically allotted 3-5 class sessions to each case; and because each case replaced existing material in U.S. history, government, and civics courses, teachers found they could substitute... View Details
  • 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
  • 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
  • Web

Measure Outcomes & Cost for Every Patient - Institute For Strategy And Competitiveness

these, while often easy to measure, do not always correlate with clinical outcomes. Similarly, structural measures, patient experience, and other indicators are often substituted for outcomes. There are several basic principles of outcome... View Details
  • Web

Curriculum - Business & Environment

opportunities. Harvard University and Urban Mining Industries: Decarbonizing the Supply Chain The case describes Harvard University's consideration to decarbonize its supply chain by replacing cement with a low-carbon substitute called... View Details
  • 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
  • Web

Online Business Strategy Course | HBS Online

Certificate of Specialization Prove your mastery of strategy Earn by: completing any three courses within this subject area to earn a Certificate of Specialization Learn More about what you earn Syllabus 6 Modules, 30-35 Hours Download View Details
  • 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
  • 01 Mar 2024
  • News

Game On

It’s raining in Sarasota. And not a light sprinkle but a proper, Florida drenching, so the outdoor courts at the Pickleball Club’s Lakewood Ranch location are deserted. Inside is a different story. Most of the 12 courts are in play. With four people to a court, all... View Details
Keywords: Jen McFarland Flint; photographed by Edward Linsmier; Amusement, Gambling, and Recreation Industries; Arts, Entertainment
  • Web

1.19 Immersive Field Courses (IFC) - MBA

term is the mechanism for any IFC enrollment changes. After that point, the course fee is non-refundable and any financial aid will be removed if the course is dropped. Students should refer to the GEO website (login required) for full... View Details