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Show Results For
- All HBS Web
(403)
- People (1)
- News (71)
- Research (266)
- Events (2)
- Multimedia (4)
- Faculty Publications (174)
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- 2016
- Working Paper
The Reference Wars: Encyclopedia Britannica's Decline and Encarta's Emergence
By: Shane Greenstein
The experience of Encyclopædia Britannica provides the canonical example of the decline of an established firm at the outset of the digital age. Competition from Microsoft's Encarta in 1993 led to sharp declines in the sales of books, which led to the distressed sale... View Details
Keywords: Market Entry and Exit; Service Operations; Emerging Markets; Applications and Software; Books; Information Technology Industry; Information Industry
Greenstein, Shane. "The Reference Wars: Encyclopedia Britannica's Decline and Encarta's Emergence." Working Paper, April 2016.
- August 2014
- Article
Friends in High Places
By: Lauren Cohen and Christopher Malloy
We demonstrate that personal connections amongst U.S. politicians have a significant impact on Senate voting behavior. Networks based on alumni connections between politicians are consistent predictors of voting behavior. We estimate sharp measures that control for... View Details
Keywords: Vote Trading; Networks; Legislation; Logrolling; Earmarks; Voting; Government Legislation; Social and Collaborative Networks; United States
Cohen, Lauren, and Christopher Malloy. "Friends in High Places." American Economic Journal: Economic Policy 6, no. 3 (August 2014): 63–91.
- July 2018
- Article
Does Copyright Affect Reuse? Evidence from Google Books and Wikipedia
By: Abhishek Nagaraj
While digitization has greatly increased the reuse of knowledge, this study shows how these benefits might be mitigated by copyright restrictions. I use the digitization of in-copyright and out-of-copyright issues of Baseball Digest magazine by Google Books to... View Details
Nagaraj, Abhishek. "Does Copyright Affect Reuse? Evidence from Google Books and Wikipedia." Management Science 64, no. 7 (July 2018): 3091–3107.
- March 2020 (Revised February 2023)
- Case
Performance Management at Afreximbank (A)
By: Robert S. Kaplan, Siko Sikochi and Josh Steimle
Based in Cairo, Afreximbank was founded in October 1993 as a specialized continental financial institution designed to address the low level of intra-African trade, the decline in financial flows to Africa, the worsening external debt situation of many African... View Details
Keywords: Performance Management; Balanced Scorecard; Performance Expectations; Performance Evaluation; Performance Improvement; Organizational Culture; Strategy; Banking Industry; Africa; Egypt
Kaplan, Robert S., Siko Sikochi, and Josh Steimle. "Performance Management at Afreximbank (A)." Harvard Business School Case 120-029, March 2020. (Revised February 2023.)
- 2011
- Working Paper
When Smaller Menus Are Better: Variability in Menu-Setting Ability
Are large menus better than small menus? Recent literature argues that individuals' apparent preference for smaller menus can be explained by choosers' behavioral biases or informational limitations. These explanations imply that absent behavioral or informational... View Details
Keywords: Experience and Expertise; Decision Choices and Conditions; Investment; Investment Portfolio; Size; Quality
Goldreich, David, and Hanna Halaburda. "When Smaller Menus Are Better: Variability in Menu-Setting Ability." Harvard Business School Working Paper, No. 11-086, February 2011. (Revised April 2011, August 2011, December 2011.)
- 2018
- Chapter
How Geography Shapes—and Is Shaped by—the Internet
By: Shane Greenstein, Avi Goldfarb and Chris Forman
Book Abstract: The first 15 years of the 21st century have thrown into sharp relief the challenges of growth, equity, stability, and sustainability facing the world economy. In addition, they have exposed the inadequacies of mainstream economics in providing answers to... View Details
Greenstein, Shane, Avi Goldfarb, and Chris Forman. "How Geography Shapes—and Is Shaped by—the Internet." In The New Oxford Handbook of Economic Geography, edited by Gordon Clark, Maryann Feldman, Meric Gertler, and Dariusz Wojcik, 269–285. Oxford: Oxford University Press, 2018.
- May–June 2014
- Article
Paradigm-Changing vs. Paradigm-Deepening Innovation: How Firm Scope Influences Firm Technological Response to Shocks
By: Gautam Ahuja, Curba Morris Lampert and Vivek Tandon
We examine the direction of firms' research efforts as they respond to the shock of a sharp increase in the price of a key input. In terms of direction, firms can respond to this shock with paradigm-changing investments that develop technologies to use substitute... View Details
Keywords: Technological Change; Innovation; Evolutionary Approaches; Shocks; Technological Innovation; System Shocks; Corporate Strategy
Ahuja, Gautam, Curba Morris Lampert, and Vivek Tandon. "Paradigm-Changing vs. Paradigm-Deepening Innovation: How Firm Scope Influences Firm Technological Response to Shocks." Organization Science 25, no. 3 (May–June 2014): 653–669.
- 2013
- Working Paper
Securities Litigation Risk for Foreign Companies Listed in the U.S.
By: Beiting Cheng, Suraj Srinivasan and Gwen Yu
We study securities litigation risk faced by foreign firms listed on U.S. exchanges. We take into account not only the propensity for foreign firms to commit violations of U.S. securities laws but also the costs that investors face when suing foreign firms. We find... View Details
Keywords: Litigation Risk; Cross Listing; Bonding; 10b-5; Securities Litigation; U.S.Listing; Class Action; Risk and Uncertainty; Debt Securities; Globalized Firms and Management; Ethics; Lawsuits and Litigation; United States
Cheng, Beiting, Suraj Srinivasan, and Gwen Yu. "Securities Litigation Risk for Foreign Companies Listed in the U.S." Harvard Business School Working Paper, No. 13-036, October 2012. (Revised March 2014.)
- March 2019
- Article
Economics of Converting Renewable Power to Hydrogen
By: Gunther Glenk and Stefan Reichelstein
The recent sharp decline in the cost of renewable energy suggests that the production of hydrogen from renewable power through a power-to-gas process might become more economical. Here we examine this alternative from the perspective of an investor who considers a... View Details
Keywords: Sustainability; Clean Technology; Renewable Energy; Energy Storage; Sustainability Management; Sustainable Business; Synergies; Green Hydrogen; Green Technology; Environment; Decarbonization; Carbon Emissions; Carbon Abatement; Energy; Accounting; Decision Making; Economics; Environmental Management; Growth and Development; Management; Operations; Science; Transportation; Battery Industry; Chemical Industry; Construction Industry; Consulting Industry; Energy Industry; Green Technology Industry; Industrial Products Industry; Manufacturing Industry; Shipping Industry; Steel Industry; Technology Industry; Transportation Industry; Utilities Industry; Africa; Asia; Europe; North and Central America; South America; Middle East
Glenk, Gunther, and Stefan Reichelstein. "Economics of Converting Renewable Power to Hydrogen." Nature Energy 4, no. 3 (March 2019): 216–222.
- June 2024
- Article
Real Growth in Space Manufacturing Output Substantially Exceeds Growth in the Overall Space Economy
By: Tina Highfill and Matthew Weinzierl
Accurately measuring real economic output in the space economy is made difficult by the rapid increase in capabilities and decrease in prices of launch and satellite technologies achieved over the past two decades. Nominal measures of output in space will tend to... View Details
Highfill, Tina, and Matthew Weinzierl. "Real Growth in Space Manufacturing Output Substantially Exceeds Growth in the Overall Space Economy." Acta Astronautica 219 (June 2024): 236–242.
- 09 Nov 2012
- Working Paper Summaries
Securities Litigation Risk for Foreign Companies Listed in the US
- November 2021
- Article
Panel Experiments and Dynamic Causal Effects: A Finite Population Perspective
By: Iavor Bojinov, Ashesh Rambachan and Neil Shephard
In panel experiments, we randomly assign units to different interventions, measuring their outcomes, and repeating the procedure in several periods. Using the potential outcomes framework, we define finite population dynamic causal effects that capture the relative... View Details
Keywords: Panel Data; Dynamic Causal Effects; Potential Outcomes; Finite Population; Nonparametric; Mathematical Methods
Bojinov, Iavor, Ashesh Rambachan, and Neil Shephard. "Panel Experiments and Dynamic Causal Effects: A Finite Population Perspective." Quantitative Economics 12, no. 4 (November 2021): 1171–1196.
- 18 Feb 2009
- First Look
First Look: February 18, 2009
impression from the ad market, making each firm less willing to underprice content to increase demand. Greater competitive intensity may thus increase content profits and decrease ad profits. These findings are in sharp contrast to those... View Details
Keywords: Martha Lagace
- June 2024
- Article
The Monitoring Role of Social Media
By: Jonas Heese and Joseph Pacelli
In this study, we examine whether social media activity can reduce corporate misconduct. We use the staggered introduction of 3G mobile broadband access across the United States to identify exogenous increases in social media activity and test whether access to 3G... View Details
Keywords: Corporate Misconduct; Twitter; Corporate Accountability; Mobile and Wireless Technology; Social and Collaborative Networks
Heese, Jonas, and Joseph Pacelli. "The Monitoring Role of Social Media." Review of Accounting Studies 29, no. 2 (June 2024): 1666–1706.
- April 1998
- Case
Jim Sharpe: Extrusion Technology, Inc. (C)
By: H. Kent Bowen and Barbara Feinberg
Jim Sharpe, president of Extrusion Technology, describes the first five years at the aluminum extrusion company he purchased. He begins with day one as he introduced himself to the employees in 1987 and assured them of the company's continuity. Over the next two years,... View Details
Keywords: Acquisition; Forecasting and Prediction; Cost Management; Profit; Innovation Strategy; Marketing Strategy; Problems and Challenges; Business and Stakeholder Relations; Mining Industry
Bowen, H. Kent, and Barbara Feinberg. "Jim Sharpe: Extrusion Technology, Inc. (C)." Harvard Business School Case 698-096, April 1998.
- Article
The Learning Effects of Monitoring
By: Dennis Campbell, Marc Epstein and F. Asis Martinez-Jerez
This paper investigates the relationship between monitoring, decision making, and learning among lower-level employees. We exploit a field-research setting in which business units vary in the "tightness" with which they monitor employee decisions. We find that tighter... View Details
Keywords: Learning; Business or Company Management; Decision Making; Employees; Research; Resignation and Termination; Rights; Business Units; Governance Controls; Performance; Motivation and Incentives
Campbell, Dennis, Marc Epstein, and F. Asis Martinez-Jerez. "The Learning Effects of Monitoring." Accounting Review 86, no. 6 (November 2011): 1909–1934.
- 2010
- Working Paper
From Bench to Board: Gender Differences in University Scientists' Participation in Commercial Science
This paper examines gender differences in the participation of university life science faculty in commercial science. Based on theory and field interviews, we develop hypotheses regarding how scientists' productivity, co-authorship networks, and institutional... View Details
Keywords: Business Startups; For-Profit Firms; Gender Characteristics; Higher Education; Entrepreneurship; Governing and Advisory Boards; Science-Based Business; Nonprofit Organizations; Biotechnology Industry
Ding, Waverly W., Fiona Murray, and Toby E. Stuart. "From Bench to Board: Gender Differences in University Scientists' Participation in Commercial Science." Harvard Business School Working Paper, No. 11-014, August 2010.
- November 2007
- Background Note
Asset Allocation I
By: Joshua D. Coval, Erik Stafford, Rodrigo Osmo, John Jernigan, Zack Page and Paulo Passoni
The goal of these simulations is to understand the mathematics of mean-variance optimization and the equilibrium pricing of risk if all investors use this rule with common information sets. Simulation A focuses on five to 10 years of monthly sector returns that are... View Details
- Article
The Growing Problem of Patent Trolling
By: Lauren Cohen, Umit Gurun and Scott Duke Kominers
The last decade has seen a sharp rise in patent litigation in the U.S., with 2015 having one of the highest patent lawsuit counts on record. In theory, this could be a consequence of growth in the commercialization of technology and innovation—patent lawsuits increase... View Details
Keywords: Patent Aggregators; Patent Litigation; Patent Pools; Patent Trolls; Patents; Lawsuits and Litigation; United States
Cohen, Lauren, Umit Gurun, and Scott Duke Kominers. "The Growing Problem of Patent Trolling." Science 352, no. 6285 (April 29, 2016): 521–522. (Explanatory Video.)
- January 2015 (Revised March 2015)
- Case
San Francisco, 2015 #tech #inequality
By: Clayton Rose, Allison Ciechanover and Kunal Modi
In December 2013 a group of angry protesters blocked one of the commuter buses provided by the large Silicon Valley firms (known as "Google buses") which was stopped in San Francisco on its way to the company's headquarters 40 miles south. The protests were a tangible... View Details
Keywords: Income Inequality; Economic Inequalty; Technology; Silicon Valley; Income Characteristics; Equality and Inequality; Technology Industry; United States; California; San Francisco
Rose, Clayton, Allison Ciechanover, and Kunal Modi. "San Francisco, 2015 #tech #inequality." Harvard Business School Case 315-076, January 2015. (Revised March 2015.)