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- Faculty Publications (584)
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- All HBS Web (2,028)
- Faculty Publications (584)
- March 2013
- Case
NovaStar Financial: A Short Seller's Battle
By: Suraj Srinivasan and Amy Kaser
The NovaStar case describes the challenges faced by short seller Marc Cohodes of hedge fund Rocker Partners as he tried to expose what he thought was widespread fraud in mortgage lender NovaStar Financial. The case is set in the time period from 2001 to 2007 and tracks...
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Keywords:
Short Selling;
Financial Accounting;
Financial Analysis;
Financial Analysts;
Valuation;
Business Analysis;
Financial Statement Analysis;
Financial Statements;
Securitization;
Securities Analysis;
Fraud;
Accounting Quality;
Accounting Red Flags;
Accounting Restatements;
Hedge Fund;
Hedge Funds;
Accounting Scandal;
Accounting Fraud;
Financial Crisis;
Financial Intermediaries;
Financial Firms;
Corporate Accountability;
Subprime Lending;
Mortgage Lending;
Accounting;
Accrual Accounting;
Fair Value Accounting;
Governance;
Governance Compliance;
Corporate Governance;
Governance Controls;
Financial Services Industry;
United States;
California
Srinivasan, Suraj, and Amy Kaser. "NovaStar Financial: A Short Seller's Battle." Harvard Business School Case 113-120, March 2013.
- 06 Oct 2016
- HBS Seminar
John Van Reenen, MIT Sloan School of Management
- 2016
- Working Paper
Diversified Business Groups in the West: History and Theory
By: Asli M. Colpan and Takashi Hikino
This working paper examines the historical origins, evolutionary paths, and long-term resilience of diversified business groups in contemporary developed economies of Western Europe, North America, and Oceania. It aims to come up with a new theoretical understanding of...
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Colpan, Asli M., and Takashi Hikino. "Diversified Business Groups in the West: History and Theory." Harvard Business School Working Paper, No. 17-035, October 2016.
- 20 Oct 2010
- Op-Ed
Export Competitiveness: Reversing the Logic
the current economic and financial crisis, countries around the globe are looking for ways to reignite economic growth. Traditionally, export-led growth has been perceived as one of the most promising...
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Keywords:
by Christian Ketels
- October 2012
- Teaching Note
Liberia (TN)
By: Eric Werker and Ian Cornell
From 1989 to 2003 civil war raged in Liberia, causing GDP per capita to drop an unprecedented 90% from peak to trough. The roots of Liberia's conflict and economic decline are complex and intertwined, resting on over a century of discriminatory elite rule and twisted...
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- July 2020 (Revised January 2021)
- Case
Pattern Brands
By: Sunil Gupta, Elie Ofek and Julia Kelley
In March 2020, direct-to-consumer (DTC) company Pattern Brands needed to decide how to allocate resources across its different brands. Pattern Co-Founders Nick Ling and Emmett Shine hoped to avoid the pitfalls faced by some DTC companies—such as inability to scale and...
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Keywords:
Direct-to-consumer;
Brands and Branding;
Marketing Channels;
Marketing Strategy;
Product Marketing;
Product Launch;
Product Positioning;
Business Model;
Business Startups;
Growth and Development Strategy;
Demand and Consumers;
Business Strategy;
Diversification;
Competitive Advantage;
Consumer Products Industry;
Retail Industry;
North and Central America;
United States;
New York (city, NY);
New York (state, US)
Gupta, Sunil, Elie Ofek, and Julia Kelley. "Pattern Brands." Harvard Business School Case 521-009, July 2020. (Revised January 2021.)
- October 2009 (Revised January 2010)
- Case
The University of Notre Dame Endowment
By: Andre F. Perold and Paul Michael Buser
The Endowment Model of Investing, which was based on creating high risk-adjusted performance through diversification, a long time horizon, top-notch outside managers, and illiquid investments, had served Notre Dame and other large universities well over the past...
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Keywords:
Financial Crisis;
Higher Education;
Asset Management;
Private Equity;
Financial Liquidity;
Investment;
Risk Management;
Performance Evaluation;
Education Industry;
Financial Services Industry
Perold, Andre F., and Paul Michael Buser. "The University of Notre Dame Endowment." Harvard Business School Case 210-007, October 2009. (Revised January 2010.)
- December 2018
- Article
Some Elements of Peronist Beliefs and Tastes
By: Rafael Di Tella and Juan Dubra
We study the beliefs and values of Peronism. Instead of a comprehensive approach, we focus on three elements. First, we study beliefs and values about the economic system present in Peron’s speeches during the period 1943–1955. Second, given that these beliefs are...
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Di Tella, Rafael, and Juan Dubra. "Some Elements of Peronist Beliefs and Tastes." Latin American Economic Review 27, no. 1 (December 2018).
- 02 Mar 2011
- Research & Ideas
Managing the Open Source vs. Proprietary Decision
Editor's note: In their new book, The Comingled Code: Open Source and Economic Development, HBS professor Josh Lerner and London School of Economics professor Mark Schankerman look at the impact of open...
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- Research Summary
Managing Innovation
I continue to study the disruptive processes by which innovation transforms -- or fails to transform -- industries and companies. There are three elements to these transformations. The first is a technological enabler -- an innovation that makes complicated, expensive...
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- 2015
- Working Paper
The Logic of Agglomeration
By: Gilles Duranton and William R. Kerr
This review discusses frontier topics in economic geography as they relate to firms and agglomeration economies. We focus on areas where empirical research is scarce but possible. We first outline a conceptual framework for city formation that allows us to contemplate...
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Keywords:
Agglomeration;
Clusters;
Cities;
Innovation;
Industry Clusters;
City;
Innovation and Invention
Duranton, Gilles, and William R. Kerr. "The Logic of Agglomeration." Harvard Business School Working Paper, No. 16-037, September 2015.
- 01 Dec 2015
- Research & Ideas
What to Do When Your Organization Has Dueling Missions
paradox the result of an in-depth comparative analysis of two of the organizations in their sample. The two WISEs appeared to be extremely similar: Both operated in the recycling industry with similar work-training missions, and both had recently struggled through an...
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Keywords:
by Carmen Nobel
- 2018
- Chapter
The Logic of Agglomeration
By: Gilles Duranton and William R. Kerr
This review discusses frontier topics in economic geography as they relate to firms and agglomeration economies. We focus on areas where empirical research is scarce but possible. We first outline a conceptual framework for city formation that allows us to contemplate...
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Keywords:
Agglomeration;
Clusters;
Innovation;
Cities;
Industry Clusters;
City;
Innovation and Invention
Duranton, Gilles, and William R. Kerr. "The Logic of Agglomeration." In The New Oxford Handbook of Economic Geography, edited by Gordon Clark, Maryann Feldman, Meric Gertler, and Dariusz Wojcik, 347–365. Oxford: Oxford University Press, 2018.
- August 2015
- Case
Hong Kong: The Pursuit of Freedom
By: Eric D. Werker and Michael K. H. Law
At the half-anniversary of the pro-democracy civil disobedience movement “Occupy Central with Love and Peace” on March 28, 2015, Chief Executive Leung Chun-ying was contemplating the future direction of Hong Kong. Did Hong Kong need universal suffrage, or were its...
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Werker, Eric D., and Michael K. H. Law. "Hong Kong: The Pursuit of Freedom." Harvard Business School Case 716-027, August 2015.
- 2010
- Working Paper
Peronist Beliefs and Interventionist Policies
By: Rafael Di Tella and Juan Dubra
We study the logic of Peronist interventionist polices and the beliefs that support them. Instead of a comprehensive approach, we focus on three elements. First, we study beliefs and values about the economic system present in Peron's speeches during the period...
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Keywords:
History;
Economic Systems;
Values and Beliefs;
Policy;
Business and Government Relations;
Argentina
Di Tella, Rafael, and Juan Dubra. "Peronist Beliefs and Interventionist Policies." NBER Working Paper Series, No. 16621, December 2010.
- 27 Jan 2010
- Working Paper Summaries
Labor Regulations and European Private Equity
Keywords:
by Ant Bozkaya & William R. Kerr
- 10 Dec 2014
- Working Paper Summaries
Multi-sided Platforms
- winter 2003
- Article
Massively Categorical Variables: Revealing the Information in Zip Codes
We introduce the idea of a massively categorical variable, a variable such as zip code that takes on too many values to be treated in the standard manner, and show how to use it directly as explanatory variables in an econometric model. In an application of this...
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Steenburgh, Thomas J., Andrew Ainslie, and Peder Hans Engebretson. "Massively Categorical Variables: Revealing the Information in Zip Codes." Marketing Science 22, no. 1 (winter 2003): 40–57.
- 2018
- Working Paper
Platform Competition: Betfair and the U.K. Market for Sports Betting
By: Ramon Casadesus-Masanell and Neil Campbell
We examine two episodes of strategic interaction in the U.K. betting industry: (i) Betfair (an entrant multi-sided platform or MSP) vs. Flutter (also an MSP), and (ii) Betfair vs. traditional bookmakers. We find that although Betfair was an underfunded second mover in...
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Keywords:
Platform Design;
Betting;
Multi-Sided Platforms;
Design;
Network Effects;
Business Model;
Competition;
Cooperation;
Market Entry and Exit
Casadesus-Masanell, Ramon, and Neil Campbell. "Platform Competition: Betfair and the U.K. Market for Sports Betting." Harvard Business School Working Paper, No. 19-057, November 2018. (Forthcoming in The Journal of Economics and Management Strategy.)
- February 2011 (Revised September 2013)
- Case
Sarvajal: Water for All
By: John D. Macomber and Mona Sinha
Entrepreneur wrestles with business model using SMS and RFID technology, franchising, and leasing to rapidly grow off-the-grid water purification business without subsidies. The company seeks to provide potable water services to rural and urban India where the public...
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Keywords:
Business Subsidiaries;
Business Model;
Communication Technology;
Private Sector;
Social Entrepreneurship;
Cost Management;
Rural Scope;
Emerging Markets;
Infrastructure;
Problems and Challenges;
Information Infrastructure;
India
Macomber, John D., and Mona Sinha. "Sarvajal: Water for All." Harvard Business School Case 211-028, February 2011. (Revised September 2013.)