Publications

Article

Costs Without Value When Treating Pediatric Behavioral Patients in the ED

By: Marcella Jewell, Syed S. Shehab, Robert S. Kaplan, Jack Fanton and Joeli Hettler

Pediatric Emergency Department (ED) visits have greatly increased in recent years. An academic pediatric ED that annually treats about 1,000 behavioral health patients conducted a study to assess the true cost of caring for nonacute behavioral health patients. It... View Details

Keywords: Costs; Value; Healthcare; Health Care and Treatment; Cost Management

July 2014 (Revised August 2015)
Case

Qihoo

By: Feng Zhu

Qihoo, one of the largest Internet companies in China today, was founded in 2005. The company started its business by offering a security software product, and quickly dominated the market in China after its unusual move of giving its product away for free in 2009.... View Details

Keywords: Platform Strategy; Business Model Innovation; Chinese Internet Market; Competitive Strategy; Information Technology; Digital Platforms; Internet and the Web; Information Technology Industry

Article

The Tipping Point of Animacy: How, When, and Where We Perceive Life in a Face

By: Christine E. Looser and Thalia Wheatley

Faces capture humans' attention; yet, beyond aesthetic appreciation, it is presumably not the face itself that interests people but the mind behind it. Minds think, feel, and act in ways that have direct consequences for well-being, but despite their importance, how... View Details

Keywords: Social Psychology; Mind Perception; Face Perception; Identity; Cognition and Thinking

For the past two decades, Michael Porter's work has towered over the field of competitive strategy. On Competition, Updated and Expanded Edition brings together more than a dozen of Porter's landmark articles from the Harvard Business Review. Five are new... View Details

23 Sep 2008
Working Paper Summaries

New Framework for Measuring and Managing Macrofinancial Risk and Financial Stability

Keywords: by Dale F. Gray, Robert C. Merton & Zvi Bodie

Article

Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches

By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang

Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR website, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details

Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Perception; Internet and the Web; Investment

TeachingInterests

Strategy and Technology (Elective Curriculum)

By: David B. Yoffie

This course explores the unique aspects of creating effective management and investment strategies for technology-intensive businesses. What strategies can win in markets with strong network effects? How can firms leverage technology to build multi-sided platforms?... View Details

2021
Conference Presentation

An Algorithmic Framework for Fairness Elicitation

By: Christopher Jung, Michael J. Kearns, Seth Neel, Aaron Leon Roth, Logan Stapleton and Zhiwei Steven Wu

We consider settings in which the right notion of fairness is not captured by simple mathematical definitions (such as equality of error rates across groups), but might be more complex and nuanced and thus require elicitation from individual or collective stakeholders.... View Details

Keywords: Algorithmic Fairness; Machine Learning; Fairness; Framework; Mathematical Methods

2022
Working Paper

Responding Strategically to Competitors' Failures: Evidence from Medical Device Recalls & New Product Submissions

By: George P. Ball, Jeffrey T. Macher and Ariel Dora Stern

Medical device firms operate at the frontiers of innovation. When functioning properly, innovative medical devices can prolong and improve lives; when malfunctioning, the same devices may harm patients and lead to product recalls. Product recalls create significant... View Details

Keywords: New Product Development; Recalls; Product Failures; Medical Devices; FDA; Health Care; Product Development; Product; Failure; Competition; Opportunities; Medical Devices and Supplies Industry

November 2019
Article

The Relevance of Broker Networks for Information Diffusion in the Stock Market

By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla

This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then... View Details

Keywords: Broker Networks; Institutional Investors; Asset Prices; Business and Shareholder Relations; Institutional Investing; Information; Knowledge Dissemination; Financial Markets; Asset Pricing

2008
Working Paper

New Framework for Measuring and Managing Macrofinancial Risk and Financial Stability

By: Dale F. Gray, Robert C. Merton and Zvi Bodie

This paper proposes a new approach to improve the way central banks can analyze and manage the financial risks of a national economy. It is based on the modern theory and practice of contingent claims analysis (CCA), which is successfully used today at the level of... View Details

Keywords: Financial Crisis; Macroeconomics; Central Banking; Risk Management

TeachingInterests

Managing Service Operations

By: Frances X. Frei

Managing Service Operations (MSO) focuses on how firms can deliver excellent service while achieving business success. This involves a deep understanding of customers, competitors, and the firm's internal mechanisms.

Career Focus

Managing Service... View Details

Platform Envelopment

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. Platform envelopment offers a second entry path: one that does not rely upon Schumpeterian innovation. Examples of successful envelopment... View Details

April 2020
Article

Collective Emotions

By: Amit Goldenberg, David Garcia, Eran Halperin and James J. Gross

When analyzing situations in which multiple people are experiencing emotions together—whether the emotions are positive or negative and whether the situations are online or offline—we are intuitively drawn to the emotions of each individual in the situation. However,... View Details

Keywords: Emotions; Social Psychology

March 2016 (Revised August 2016)
Case

CreditEase: Taking Inclusive Finance Online

By: Michael Chu, John S. Ji and Nancy Hua Dai

The world’s largest peer-to-peer (P2P) lender annually disbursing over a million loans totaling $10 billion, China’s CreditEase, must decide whether to IPO in the NYSE its online lending platform, Yirendai, before the year-end window closes in 2015. Yirendai sought to... View Details

Keywords: Business or Company Management; Internet and the Web; Financing and Loans; Credit; Growth and Development Strategy; Financial Services Industry; China

August 2008 (Revised March 2010)
Case

Finland's S Group: Competing with a Cooperative Approach to Retail

By: Ramon Casadesus-Masanell, Tarun Khanna, Samuli Skurnik and Jordan Mitchell

The case looks at the two dominant Finnish retailers: S Group and Kesko. S Group is a customer-owned cooperative, which has a unique holding structure whereby 1.7 million residents (or 70 percent of Finnish households) own 22 regional cooperatives. In turn, the... View Details

Keywords: Business Model; Cooperative Ownership; Public Ownership; Competitive Advantage; Retail Industry; Finland

July 2005 (Revised April 2009)
Case

Real Madrid Club de Futbol (Multimedia)

By: John A. Quelch

In June 2004, Florentino Perez, a well-known Spanish businessman, was elected president of Real Madrid, one of the world's top soccer clubs. In his campaign, Perez had promised to turn around the club's finances, bring in world-class talent, and extend the club's brand... View Details

Keywords: Risk Management; Brands and Branding; Marketing Strategy; Organizational Change and Adaptation; Sports; Expansion; Sports Industry; Spain