Publications

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09 Jun 2020
News

Fed action, debt markets and stocks

Program

General Management Program

virtual discussion groups will connect you to a global group of peers and build your network. Learning and Living at HBS When you participate in an Executive Education program on the HBS campus, you enter an immersive experience where every aspect of the learning View Details

2016
Working Paper

Historical Change and the Competitive Advantage of Firms: Explicating the 'Dynamics' in the Dynamic Capabilities Framework

By: Geoffrey Jones and R. Daniel Wadhwani

This working paper aims to deepen the scholarly dialogue between strategy and history. It does so by examining how historical models of change can contribute to theory and research on the competitive advantage of firms during periods of rapid innovation. Focusing on... View Details

Keywords: Strategy; Dynamic Capabilities; Innovation; Temporality; Context; Microfoundations; Business History; Competitive Advantage; Change; Innovation and Invention

SSRN

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September 2009 (Revised February 2011)
Case

Eden McCallum: A Network-Based Consulting Firm (A)

By: Heidi K. Gardner and Robert G. Eccles

Eden McCallum pioneered the network-based ("virtual") consulting firm model in the U.K. Contracting freelance consultants on a per-project basis keeps overheads lean so that Eden McCallum's fees are a fraction of the big firms' rates. Their flexible, low-cost model has... View Details

Keywords: Business Model; Decision Choices and Conditions; Financial Crisis; Growth and Development Strategy; Expansion; Consulting Industry; United Kingdom

Article

Adaptive Machine Unlearning

By: Varun Gupta, Christopher Jung, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi and Chris Waites

Data deletion algorithms aim to remove the influence of deleted data points from trained models at a cheaper computational cost than fully retraining those models. However, for sequences of deletions, most prior work in the non-convex setting gives valid guarantees... View Details

Keywords: Machine Learning; AI and Machine Learning

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February 2023
Article

OTC Intermediaries

By: Andrea L. Eisfeldt, Bernard Herskovic, Sriram Rajan and Emil Siriwardane

We study the effect of dealer exit on prices and quantities in a model of an over-the-counter (OTC) market featuring a core-periphery network with bilateral trading costs. The model is calibrated using regulatory data on the entire U.S. credit default swap (CDS) market... View Details

Keywords: OTC Markets; Intermediaries; Dealers; Credit Default Swaps; Risk Sharing; Financial Markets; Networks; Price; Risk and Uncertainty

Article

Coarse Thinking and Persuasion

By: Sendhil Mullainathan, Joshua Schwartzstein and Andrei Shleifer

We present a model of uninformative persuasion in which individuals "think coarsely": they group situations into categories and apply the same model of inference to all situations within a category. Coarse thinking exhibits two features that persuaders take advantage... View Details

Keywords: Cognition and Thinking; Brands and Branding

October 2015
Article

Agglomerative Forces and Cluster Shapes

By: William R. Kerr and Scott Duke Kominers

We model spatial clusters of similar firms. Our model highlights how agglomerative forces lead to localized, individual connections among firms, while interaction costs generate a defined distance over which attraction forces operate. Overlapping firm interactions... View Details

Keywords: Agglomeration; Clusters; Industrial Organization; Silicon Valley; Technology Flows; Patents; Networks; Information Technology; Industry Clusters; Entrepreneurship; California

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June 2008
Case

Starbucks Coffee Company in the 21st Century

By: Nancy F. Koehn, Marya Lisl Hill-Popper Besharov and Katherine Miller

The case explores the opportunities and challenges confronting Starbucks in the early 21st century. For more than 15 years, Starbucks has grown swiftly and successfully, helping create a large, dynamic market for specialty coffee, building one of the world's most... View Details

Keywords: Business Model; Economy; Growth Management; Brands and Branding; Corporate Social Responsibility and Impact; Competition

November 2015
Exercise

GenapSys Exercise - Introduction to Free Cash Flow Curves

By: Shikhar Ghosh, Joseph B. Fuller and Christopher Payton

Exercise to accompany "GenapSys: Business Models for the Genome" View Details

22 Sep 2016
Video

A Celebrity Demo

October 2017 (Revised September 2018)
Supplement

Jumia Nigeria: from Retail to Marketplace (B)

By: Ramon Casadesus-Masanell and Namrata Arora

This follow up case study explores the ramifications of Jumia's decision to move from a retail-led to a markplace business model for its e-commerce platform. The case visits the company's successes as well as its many failures when adopting this vendor-led strategy. ... View Details

Keywords: Retail; Marketplace; Inventory; Funding; Business Ecosystems; Business Ecosystem; Competition; Business Model; Globalization; Emerging Markets; Expansion; Logistics; Retail Industry; India; Nigeria; Africa

2023
Working Paper

Causal Interpretation of Structural IV Estimands

By: Isaiah Andrews, Nano Barahona, Matthew Gentzkow, Ashesh Rambachan and Jesse M. Shapiro

We study the causal interpretation of instrumental variables (IV) estimands of nonlinear, multivariate structural models with respect to rich forms of model misspecification. We focus on guaranteeing that the researcher's estimator is sharp zero consistent, meaning... View Details

Keywords: Mathematical Methods

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23 Jan 2018
Working Paper Summaries

Transaction Costs and the Duration of Contracts

Keywords: by Alexander MacKay

April 2023 (Revised September 2023)
Case

Levels: The Remote, Asynchronous, Deep Work Management System

By: Joseph B. Fuller and George Gonzalez

Levels is a highly innovative startup in the health care space. They intend to revolutionize health by linking behavior—eating, exercise, sleeping, etc.—to changes in metabolism. They believe metabolic health can be managed through careful monitoring of changes in... View Details

Keywords: Applications and Software; Business Startups; Organizational Culture; Management Style; Technology Industry; United States

19 May 2023
News

Innovating, Funding, and Scaling Climate Solutions at Harvard Business School: Day Three of Harvard Climate Action Week

January 2002 (Revised October 2005)
Case

General Electric Medical Systems 2002

By: Tarun Khanna and James Weber

Discusses one of General Electric's flagship divisions--the world's leading provider of medical diagnostic imaging equipment. Provides an opportunity to examine a multinational confronting massive technological and demographic changes around the world. Genomics has... View Details

Keywords: Information Technology; Business Model; Change Management; Multinational Firms and Management; Genetics; Customer Value and Value Chain; Age; Medical Devices and Supplies Industry; China; United States

June 2008
Article

The Market for Mergers and the Boundaries of the Firm

By: Matthew Rhodes-Kropf and David Robinson

We relate the property rights theory of the firm to empirical regularities in the market for mergers and acquisitions. We first show that high market-to-book acquirers typically do not purchase low market-to-book targets. Instead, mergers pair together firms with... View Details

Keywords: Mergers and Acquisitions; Assets; Investment; Property; Mathematical Methods; Boundaries