Publications

April 2012
Supplement

Bayonne Packaging, Inc., Spreadsheet Supplement (Brief Case)

By: Roy D. Shapiro and Paul E. Morrison

Keywords: Process Analysis; Management

21 Nov 2016
Working Paper Summaries

Intellectual Property Rights Protection, Ownership, and Innovation: Evidence from China

Keywords: by Lily Fang, Josh Lerner, and Chaopeng Wu

2023
Article

Comparison of COVID-19 Hospitalization Costs across Care Pathways: A Patient-level Time-driven Activity-based Costing Analysis in a Brazilian Hospital

By: Ricardo Bertoglio Cardoso, Miriam Allein Zago Marcolino, Milena Soriano Marcolino, Camila Felix Fortis, Leila Beltrami Moreira, Ana Paula Coutinho, Nadine Oliveira Clausell, Junaid Nabi, Robert S. Kaplan, Ana Paula Beck da Silva Etges and Carisi Anne Polanczyk

The COVID-19 pandemic raised awareness of the need to better understand where and how patient-level costs are incurred in health care organizations. This study used time-driven activity-based costing to estimate COVID-19 patient-level hospital costs in a Brazilian... View Details

Keywords: Health Care and Treatment; Cost; Health Industry; Brazil

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November 2022 (Revised March 2024)
Case

Replika AI: Monetizing a Chatbot

By: Julian De Freitas and Nicole Tempest Keller

In early 2018, Eugenia Kuyda, co-founder and CEO of San Francisco-based chatbot Replika AI, was deciding how to monetize the app she had built. Launched in 2017, Replika was a consumer AI “companion app” developed by a team of AI software engineers originally based in... View Details

Keywords: Mental Health; Subscriber Models; TAM; Monetization Strategy; Marketing Strategy; Product Marketing; AI and Machine Learning; Applications and Software; Product Positioning; Health Disorders; Technology Industry

March 2022 (Revised January 2025)
Technical Note

Linear Regression

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an overview of linear regression for an introductory data science course. It begins with a discussion of correlation, and explains why correlation does not necessarily imply causation. The note then describes the method of least squares, and how to... View Details

Keywords: Data Science; Linear Regression; Mathematical Modeling; Mathematical Methods; Analytics and Data Science

October 2013
Background Note

Multi-Sided Platforms: Foundations and Strategy

By: Andrei Hagiu

This note offers an analysis of four fundamental strategic decisions and associated tradeoffs that set MSPs apart from other types of businesses (e.g. product firms) and that every MSP entrepreneur and investor should carefully consider. In the last section I also... View Details

Keywords: Multi-Sided Platforms; Strategy; Technology; Technology Industry

2002
Chapter

The Use of Virtual Classes at Harvard Business School: A Successful Model for Corporate e-Learning

By: D. Quinn Mills and Dirk Seifert

Keywords: Business Education; Information Technology; Education Industry

August 2013 (Revised November 2020)
Case

Tesla Motors

By: Eric Van den Steen

In mid-2013, Tesla Motors was riding a wave of success: It had launched its first really mass-produced car—the model S—to rave reviews; had recently raised first-year production targets; and had started taking orders for its next car, the Model X. Tesla seemed to be on... View Details

Keywords: Barriers To Entry; Economic Analysis; Learning Curve; Economies Of Scale; Innovation; Market Entry; Sustainable Competitive Advantage; Vision; Strategy And Leadership; Strategy; Competitive Strategy; Market Entry and Exit; Competitive Advantage; Technological Innovation; Leadership; Learning; Economics; Analysis; Auto Industry

09 Jun 2020
Working Paper Summaries

Aggregate and Firm-Level Stock Returns During Pandemics, in Real Time

Keywords: by Laura Alfaro, Anusha Chari, Andrew Greenland, and Peter K. Schott

September 2019 (Revised January 2021)
Case

Vispera: Visual Intelligence for Retail

By: Yael Grushka-Cockayne and Gamze Yucaoglu

The case opens in 2019 as Aytul Ercil, co-founder and CEO of Vispera, computer vision technology provider for retail, is contemplating the company’s agenda trying to decide how to prioritize the impeding options. The case chronicles the founding of Vispera, the... View Details

Keywords: Computer Vision Technology; Visual Analysis; Retail; Information Technology; Business Model; Operations; Performance Efficiency; Competitive Strategy; Decision Choices and Conditions; Global Strategy; Technology Industry; Retail Industry; Turkey

2024
Working Paper

Consumer Inertia and Market Power

By: Alexander MacKay and Marc Remer

We study the pricing decisions of firms in the presence of consumer inertia. Inertia, which can arise from habit formation, brand loyalty, and switching costs, generates dynamic pricing incentives. These incentives mediate the impact of competition on market power in... View Details

Keywords: Consumer Inertia; Market Power; Dynamic Competition; Demand Estimation; Consumer Behavior; Markets; Performance; Competition; Price

SSRN

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04 Jan 2017
Working Paper Summaries

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

Keywords: by Geoffrey Jones and R. Daniel Wadhwani

19 May 2021
Op-Ed

Why America Needs a Better Bridge Between School and Career

education and training have too often reinforced barriers between working and learning, rather than bridging the worlds of education and employment. This is an opportune moment... View Details

Keywords: by Joseph B. Fuller and Rachel Lipson

June 2014 (Revised July 2014)
Background Note

An Overview of Project Finance and Infrastructure Finance—2014 Update

By: Benjamin C. Esty, Carla Chavich and Aldo Sesia

Provides an introduction to the fields of project finance and infrastructure finance, and gives a statistical overview of project-financed investments over the years from 2009 to 2013. Examples of project-financed investments include the Kashagan oil field development... View Details

Keywords: Globalization; Capital Expenditures; International Finance; Data; Financial History; Economic Development; Corporate Governance; Contracts; Industry Analysis; Banking; Capital Investments; Municipal Finance; Project Finance; Infrastructure; Investment; Projects; Trends

Research Summary

Interviewing and Dating in Two-Sided Matching Markets: Coordination and Communication (joint with M. Schwarz)

We introduce the interview assignment problem, which generalizes the one-to-one matching model of Gale Shapley (1962) by including a stage of costly information acquisition. Agents do not know their preferences over potential partners unless they choose to conduct... View Details

Web

The Significance and Consequences of Financial Models - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences... View Details

February 2017
Case

Valerie Daniels-Carter: High Growth Entrepreneurship via Franchising

By: Steven Rogers and Alyssa Haywoode

This case looks at entrepreneurship via franchising through the leadership of an African-American entrepreneur who owns almost 150 stores including Burger King, Pizza Huts, and Auntie Anne’s Pretzels. Her company is the largest female-owned franchise business in the... View Details

Keywords: Giving And Philanthropy; Weather And Climate Change; Franchise Ownership; Family Business; Experience and Expertise; Decisions; Borrowing and Debt; Food; Philanthropy and Charitable Giving; Business History; Climate Change; Motivation and Incentives; Food and Beverage Industry

October 2022 (Revised February 2024)
Case

Masdar City: Aiming for Sustainable and Profitable Real Estate

By: Boris Vallee and Fares Khrais

Masdar City broke ground in 2008 and was conceived by the Abu Dhabi government to be an international beacon of innovation in sustainable energy and real estate. It was also to be a profitable investment for the government. At first glance, the two goals pulled in... View Details

11 Mar 2014
Interview

The Looming Challenges of US Competitiveness: Implications for Philadelphia

By: Michael E. Porter

The third installment of the Fox School's Innovation Leadership Speaker Series featured Professor Michael E. Porter, William Lawrence University Professor, Harvard Business School. Dr. Porter addressed the factors driving innovation and competitiveness in a given... View Details

Keywords: Competitiveness; Economic Analysis; Economics; Philadelphia