Publications

May 2006 (Revised November 2006)
Case

DVD War

By: David B. Yoffie and Michael Slind

In 2006, the DVD was the most popular storage medium in the entertainment and computer industries. The development of high-definition (HD) technology created a need for a format with greater storage capacity. Instead of agreeing on a single standard for a new HD disc,... View Details

Keywords: Disruption; Entertainment; Business History; Intellectual Property; Product; Competition; Technology Adoption; Electronics Industry; Entertainment and Recreation Industry

2005
Chapter

Environmental Federalism in the European Union and the United States

By: David Vogel, Michael W. Toffel and Diahanna Post

The United States (US) and the European Union (EU) are federal systems in which the responsibility for environmental policy-making is divided or shared between the central government and the (member) states. The attribution of decision-making power has important policy... View Details

Keywords: Governing Rules, Regulations, and Reforms; Policy; Government Legislation; Natural Environment; Pollutants; Climate Change; European Union; United States

March 1987 (Revised October 1993)
Case

Au Bon Pain: The French Bakery Cafe, The Partner/Manager Program

By: W. Earl Sasser

In recent years, Au Bon Pain (ABP), a chain of upscale French bakeries/sandwich cafes based in Boston, confronted a set of human resource problems endemic to the fast food industry (i.e., a labor shortage which made it difficult to attract and maintain quality crew... View Details

Keywords: Motivation and Incentives; Managerial Roles; Retention; Employees; Performance Improvement; Recruitment; Problems and Challenges; Compensation and Benefits; Food and Beverage Industry; Service Industry; Boston

View Details

2019
White Paper

Impact-Weighted Financial Accounts: The Missing Piece for an Impact Economy

By: George Serafeim, T. Robert Zochowski and Jennifer Downing

Reimagining capitalism is an imperative. We need to create a more inclusive and sustainable form of capitalism that works for every person and the planet. Massive environmental damage, growing income and wealth disparity, stress, and depression within developed... View Details

Keywords: Impact-Weighted Accounts; IWAI; Background; Economic Systems; Economy; Corporate Social Responsibility and Impact; Measurement and Metrics; Financial Statements

Web

Global Crises Data by Country - Behavioral Finance & Financial Stability

data available Systemic Crisis : Year Yes No No data available Gold Standard : Year Yes No No data available Domestic Debt in Default : Year Yes No No data available External Debt in Default : Year Yes No No data available GDP Weighted... View Details

Web

FAQs - Alumni

More general information can be found in Harvard's Sustainable Event Guide and Healthful Food Standards . Where can I learn more about the School’s commitment to sustainability? More information can be found on the HBS Commitment to... View Details

Web

Frequently Asked Questions - Doctoral

score. What is the minimum GRE and GMAT score requirement? HBS Doctoral Programs does not have a minimum GRE or GMAT requirement. Generally, successful applicants score in the 80th percentile or higher on their standardized tests. Am I... View Details

Web

Finance Curriculum - Faculty & Research

create value. Topics covered include: Basic analytical skills and principles of corporate finance. Functions of modern capital markets and financial institutions. Standard techniques of analysis, including capital budgeting, discounted... View Details

Web

Global Impact of the Collapse | Baker Library | Bloomberg Center | Harvard Business School

sheer virtuosity.” [23] For over a century and a half, Lehman Brothers’ ability to seek out new investment opportunities contributed to the country’s economic growth, job creation, and standard of living. By the twenty-first century, with... View Details

Web

Behavioral Finance & Financial Stability

Andrei Shleifer SEP 2021 The financial crisis of 2007–2008 has revived academic interest in price bubbles. The authors introduce diagnostic expectations into a standard setting of price formation in which investors learn about the... View Details

15 Jan 2008
First Look

First Look: January 15, 2008

profitability of a vertically integrated monopoly. We then use our model to compare open and closed standards regimes, to understand how commoditization affects a cluster, to determine the relative profits of platform firms and firms that... View Details

Keywords: Martha Lagace

June 2020 (Revised October 2020)
Case

Muddy Waters vs. eHealth: The Debate of a 'Lifetime'

By: Jonas Heese and Cristo Liautaud

In May 2020, an analyst was assessing eHealth’s performance. eHealth was an online / tele-sales broker of health insurance products. The stock had recently hit all-time highs, closing at a peak of $146 on March 4, 2020. But now, May 4, 2020, eHealth traded at $103. The... View Details

Keywords: Revenue Recognition; Health; Insurance; Online Technology; Insurance Industry

2017
Working Paper

Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

Can new data sources from online platforms help to measure local economic activity? Government datasets from agencies such as the U.S. Census Bureau provide the standard measures of economic activity at the local level. However, these statistics typically appear only... View Details

Keywords: Economy; Analytics and Data Science; Local Range; Social and Collaborative Networks

SSRN

2018
Working Paper

Coordination Frictions in Venture Capital Syndicates

By: Ramana Nanda and Matthew Rhodes-Kropf

An extensive literature on venture capital has studied asymmetric information and agency problems between investors and entrepreneurs, examining how separating entrepreneurs from the investor can create frictions that might inhibit the funding of good projects. It has... View Details

Keywords: Syndication; Venture Capital; Networks; Entrepreneurship

SSRN

2013
Working Paper

Asset Price Dynamics with Limited Attention

By: Mark Seasholes, Terrence Hendershott, Sunny X. Li and Albert J. Menkveld

This paper studies the role that limited attention and inefficient risk sharing play in stock price deviations from the efficient prices at horizons from one day to one month. We expand the Due (2010) slow-moving capital model to analyze multiple groups of investors... View Details

Keywords: Transitory Volatility; Limited Attention; Individuals; Market Makers; Asset Pricing; Financial Markets; Volatility

Article

Distributionally Robust Optimization and Its Tractable Approximations

By: Joel Goh and Melvyn Sim

In this paper we focus on a linear optimization problem with uncertainties, having expectations in the objective and in the set of constraints. We present a modular framework to obtain an approximate solution to the problem that is distributionally robust and more... View Details

Keywords: Information Technology; Mathematical Methods; Operations

2014
Working Paper

The Psycho-Social Benefits of Access to Contraception: Experimental Evidence from Zambia

By: Nava Ashraf, Marric Buessing, Erica Field and Jessica Leight

In a field experiment in Lusaka, Zambia, married couples in the catchment area of a family planning clinic were randomly assigned to either a treatment group (N=503) or a control group (N=768). Those in the treatment group received vouchers guaranteeing free and... View Details

Keywords: Contraceptive Access; Mental Health; Zambia

April 2010 (Revised December 2010)
Case

Shanzhai! MediaTek and the "White Box" Handset Market

By: Willy C. Shih, Chen-Fu Chien and Jyun-Cheng Wang

The term "white box" is often used to describe products without a brand name. Such products are assembled from standardized parts, and they became a very popular category of desktop PCs. Hsinchu, Taiwan based MediaTek is a fabless semiconductor company that unleashed a... View Details

Keywords: Disruptive Innovation; Growth and Development Strategy; Emerging Markets; Competitive Advantage; Wireless Technology; Semiconductor Industry; Taiwan