Filter Results:
(810)
Show Results For
- All HBS Web
(810)
- News (146)
- Research (554)
- Events (13)
- Multimedia (3)
- Faculty Publications (282)
Show Results For
- All HBS Web
(810)
- News (146)
- Research (554)
- Events (13)
- Multimedia (3)
- Faculty Publications (282)
- 2011
- Other Unpublished Work
Networks as Covers: Evidence from On-Line Social Networks
By: Mikolaj Jan Piskorski
Sociologists have extensively documented that networks influence market exchange through improved matching and vouching. In this paper, I propose that networks can also blunt the signal of market participation, as actors who are on the market surrounded by their... View Details
Keywords: Job Search; Knowledge Use and Leverage; Market Participation; Market Transactions; Social and Collaborative Networks; Online Technology
Piskorski, Mikolaj Jan. "Networks as Covers: Evidence from On-Line Social Networks." September 2011.
- 2010
- Working Paper
Preference Intensities and Risk Aversion in School Choice: A Laboratory Experiment
By: Flip Klijn, Joana Pais and Marc Vorsatz
We experimentally investigate in the laboratory two prominent mechanisms that are employed in school choice programs to assign students to public schools. We study how individual behavior is influenced by preference intensities and risk aversion. Our main results show... View Details
Keywords: Decision Choices and Conditions; Education; Marketplace Matching; Risk and Uncertainty; Behavior; Personal Characteristics
Klijn, Flip, Joana Pais, and Marc Vorsatz. "Preference Intensities and Risk Aversion in School Choice: A Laboratory Experiment." Harvard Business School Working Paper, No. 10-093, April 2010.
- August 2007
- Module Note
Managing Networked Businesses: Platform Evolution Module
Offers an overview of conceptual content and pedagogical guidance for instructors using a six-session module, "Platform Evolution," from "Managing Networked Businesses" (MNB), a case-based MBA elective course on platform-mediated networks. The module explores the... View Details
Keywords: Business Ventures; Networks; Business or Company Management; Rights; Business Strategy; Problems and Challenges; Multi-Sided Platforms; Market Transactions; Innovation and Invention; Marketing; Competition; Market Entry and Exit
Eisenmann, Thomas R. "Managing Networked Businesses: Platform Evolution Module." Harvard Business School Module Note 808-063, August 2007.
- December 2024 (Revised March 2025)
- Case
The Shouldice Hospital Today
By: James Heskett and Roger Hallowell
The leadership and staff of Shouldice Hospital in Toronto, Canada have, for 75 years, sought to do one thing better than any other hospital in the world, repair inguinal hernias. For some years, a possible second hospital in another market has been under consideration.... View Details
Keywords: Joint Ventures; Health Care and Treatment; Growth and Development Strategy; Organizational Culture; Expansion; Health Industry; Toronto; Canada; United States
Heskett, James, and Roger Hallowell. "The Shouldice Hospital Today." Harvard Business School Case 925-302, December 2024. (Revised March 2025.)
- 2014
- Article
Ascent-Descent Young Diagrams and Pattern Avoidance in Alternating Permutations
By: Ravi Jagadeesan
We investigate pattern avoidance in alternating permutations and an alternating analogue of Young diagrams. In particular, using an extension of Babson and West’s notion of shape-Wilf equivalence described in our recent paper (with N. Gowravaram), we generalize results... View Details
Jagadeesan, Ravi. "Ascent-Descent Young Diagrams and Pattern Avoidance in Alternating Permutations." #P3.9. Electronic Journal of Combinatorics 21, no. 3 (2014).
- 2023
- Book
Deeply Responsible Business.: A Global History of Values-Driven Leadership
By: Geoffrey Jones
Corporate social responsibility has entered the mainstream, but what does it take to run a successful purpose-driven business? This book examines leaders who put values alongside profits to showcase the challenges and upside of deeply responsible business. Should... View Details
Keywords: Corporate Responsibility; Business Ecuation; Socially Responsible Investing; Business Education; Ethics; Leadership; Business History; Philanthropy and Charitable Giving; Religion; Social Enterprise; Social Issues; Wealth and Poverty; Corporate Social Responsibility and Impact; Mission and Purpose; Banking Industry; Beauty and Cosmetics Industry; Computer Industry; Consumer Products Industry; Education Industry; Fashion Industry; Financial Services Industry; Food and Beverage Industry; Green Technology Industry; Manufacturing Industry; Electronics Industry; Agriculture and Agribusiness Industry; United Kingdom; Germany; United States; Japan; India; Latin America
Jones, Geoffrey. Deeply Responsible Business: A Global History of Values-Driven Leadership. Cambridge, MA: Harvard University Press, 2023.
- Research Summary
Overcoming Large-N, Small-T Issues in Asset Pricing Tests
The large-N, small-T (i.e. large cross-section, short time series) nature of our asset data presents serious estimation problems for empirical asset pricing. In response, the literature tests asset pricing models against 10-25 test assets or portfolios. A... View Details
- Research Summary
Valuation Theory and Practice
Timothy A. Luehrman's primary research interest is in the application of valuation methods to companies, businesses, and individual assets. Some of his work involves applications of tools originally developed for valuing derivative securities to the valuation of other... View Details
- Fall, 2024
- Article
Sixty Years of the Voting Rights Act: Progress and Pitfalls
By: Andrea Bernini, Giovanni Facchini, Marco Tabellini and Cecilia Testa
We review the literature on the effects of the 1965 Voting Rights Act (VRA), which removed formal restrictions to Black political participation. After a brief description of racial discrimination suffered by Black Americans since Reconstruction, we introduce the goals... View Details
Keywords: Prejudice and Bias; Equality and Inequality; Race; Political Elections; Voting; Policy; Outcome or Result; Government Legislation
Bernini, Andrea, Giovanni Facchini, Marco Tabellini, and Cecilia Testa. "Sixty Years of the Voting Rights Act: Progress and Pitfalls." Oxford Review of Economic Policy 40, no. 3 (Fall, 2024): 486–497.
- March 2024
- Article
Do Safety Management System Standards Indicate Safer Operations? Evidence from the OHSAS 18001 Occupational Health and Safety Standard
By: Kala Viswanathan, Matthew S. Johnson and Michael W. Toffel
Problem definition: Given the enormous disruptions and costs of occupational injuries, companies and buyers are increasingly looking to voluntary occupational health and safety standards to improve worker safety. Yet because these standards only require... View Details
Keywords: Occupational Health; Occupational Safety; Program Evaluation; Safety Performance; Injuries; OHSAS 18001; ISO 45001; Working Conditions; Safety; Standards
Viswanathan, Kala, Matthew S. Johnson, and Michael W. Toffel. "Do Safety Management System Standards Indicate Safer Operations? Evidence from the OHSAS 18001 Occupational Health and Safety Standard." Art. 106383. Safety Science 171 (March 2024).
- December 2015
- Article
Does Planning Regulation Protect Independent Retailers?
By: Raffaella Sadun
Regulations aimed at curbing the entry of large retail stores have been introduced in many countries to protect independent retailers. Analyzing a planning reform launched in the United Kingdom in the 1990s, I show that independent retailers were actually harmed by the... View Details
Sadun, Raffaella. "Does Planning Regulation Protect Independent Retailers?" Review of Economics and Statistics 97, no. 5 (December 2015): 983–1001.
- October 1990 (Revised March 1993)
- Background Note
Note on Cable Television Regulation
Examines the evolution of the U.S. cable television industry since its inception in the early 1950s. Particular emphasis is given to the roles played by technology, consumer demand, and regulation at both the local and federal level. Designed to facilitate a conceptual... View Details
Keywords: Information Technology; Demand and Consumers; Government Legislation; Business Growth and Maturation; Monopoly; Television Entertainment; Telecommunications Industry; Media and Broadcasting Industry
Emmons, Willis M., III. "Note on Cable Television Regulation." Harvard Business School Background Note 391-022, October 1990. (Revised March 1993.)
- May 2010 (Revised January 2012)
- Case
Lincoln Financial Meets the Financial Crisis
By: Robert C. Pozen and Peter Goodspeed Spring
In March of 2009, Lincoln Financial Group's CEO Dennis Glass was facing a difficult decision as to how he would replenish his company's capital, which could quickly fall to dangerously low levels as a result of the financial crisis. Though the cost of raising capital... View Details
Keywords: Cost vs Benefits; Financial Crisis; Capital; Private Equity; Crisis Management; Business and Government Relations; Business and Stakeholder Relations; Insurance Industry
Pozen, Robert C., and Peter Goodspeed Spring. "Lincoln Financial Meets the Financial Crisis." Harvard Business School Case 310-137, May 2010. (Revised January 2012.)
- May 1994 (Revised August 1994)
- Case
Motorola-Elma
By: Shoshana Zuboff and Janis Lee Gogan
Motorola's old automative electronics plant in Arcade, outside Buffalo, New York, faced the prospect of closure in the mid-1980s, but leading customers persuaded Motorola to give the plant a second chance. The new plant manager, Dennis Fiehn, recognized that existing... View Details
Keywords: Factories, Labs, and Plants; Business Exit or Shutdown; Customers; Leading Change; Management Analysis, Tools, and Techniques; Organizational Structure; Competitive Strategy; Expansion; Telecommunications Industry; New York (state, US)
Zuboff, Shoshana, and Janis Lee Gogan. "Motorola-Elma." Harvard Business School Case 494-136, May 1994. (Revised August 1994.)
- 2009
- Chapter
Entry, Exit and Labour Productivity in U.K. Retailing: Evidence from Micro Data
By: Jonathan Haskel and Raffaella Sadun
The paper investigates the U.K. retail sector using store and firm-level data between 1998 and 2003. First, we present the first exhaustive description of the U.K. retail sector using micro data sources. Second, in the spirit of Foster, Haltiwanger, and Krizan (2002),... View Details
Keywords: Business Ventures; Market Entry and Exit; Organizational Change and Adaptation; Performance Productivity; Retail Industry; United Kingdom
Haskel, Jonathan, and Raffaella Sadun. "Entry, Exit and Labour Productivity in U.K. Retailing: Evidence from Micro Data." Chap. 7 in Producer Dynamics: New Evidence from Micro Data, edited by Timothy Dunne, J. Bradford Jensen, and Mark J. Roberts. University of Chicago Press, 2009. (Working Paper version.)
- January 1994 (Revised April 1995)
- Case
Judo Economics
The early 1990s saw a new wave of start-ups in the U.S. airline business. One entrant, Kiwi International Air Lines, took to the skies in September 1992 with a strategy of attracting small-business travelers looking to save money but lacking the flexibility to book in... View Details
Keywords: Market Entry and Exit; Competitive Advantage; Business Startups; Air Transportation Industry; Financial Services Industry
Brandenburger, Adam M., and Julia Kou. "Judo Economics." Harvard Business School Case 794-103, January 1994. (Revised April 1995.)
- 17 Jun 2008
- First Look
First Look: June 17, 2008
loans to small firms and those with more "soft information"—particularly in states with weak legal enforcement of financial contracts. However, decentralized banks are also more responsive to the competitive environment when setting loan terms. They are more... View Details
Keywords: Martha Lagace
- Research Summary
Working Papers
By: Dennis A. Yao
Lewis, Tracy R. and Dennis A. Yao. (2001, revised 2006). "Innovation, Knowledge Flow, and Worker... View Details
- Research Summary
An Unlimited Moments GMM Estimator
A short time series relative to the number of moment conditions in a GMM framework yields an inconsistent estimator. To circumvent this problem, researchers generally restrict the number of moment conditions to some fraction of the length of the time... View Details
- Article
Overturning the ACA's Medicaid Expansion Would Likely Decrease Low-Income, Reproductive-Age Women's Healthcare Spending and Utilization
By: Lucy Chen, Richard G. Frank and Haiden A. Huskamp
In late 2020, the Supreme Court began hearing a case challenging the Affordable Care Act (ACA), which led to coverage gains for many low-income, reproductive-age women. To explore potential implications of a full ACA repeal for this population, we examined gains... View Details
Keywords: Medicaid; Women's Health; Health Insurance; Health Care and Treatment; Gender; Insurance; Poverty; Health Industry; United States
Chen, Lucy, Richard G. Frank, and Haiden A. Huskamp. "Overturning the ACA's Medicaid Expansion Would Likely Decrease Low-Income, Reproductive-Age Women's Healthcare Spending and Utilization." Inquiry 57 (2020).