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- Faculty Publications (88)
- September 2016 (Revised March 2020)
- Teaching Note
Fasten: Challenging Uber and Lyft with a New Business Model
By: Feng Zhu
Fasten, a new ridesharing start-up in Boston, entered the scene in September 2015 hoping its unique vision of transparency for both driver and passenger and strategy to keep riders' fares low and charge drivers a flat $0.99 fee per ride, as opposed to the 20%–30%...
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- May 2016 (Revised March 2020)
- Case
Fasten: Challenging Uber and Lyft with a New Business Model
By: Feng Zhu and Angela Acocella
Fasten, a new ridesharing start-up in Boston, entered the scene in September 2015 hoping its unique vision of transparency for both driver and passenger and strategy to keep riders' fares low and charge drivers a flat $0.99 fee per ride as opposed to the 20-30%...
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Keywords:
Information Technology;
Transportation;
Business Startups;
Business Model;
Transportation Industry;
Boston
Zhu, Feng, and Angela Acocella. "Fasten: Challenging Uber and Lyft with a New Business Model." Harvard Business School Case 616-062, May 2016. (Revised March 2020.)
- 2017
- Working Paper
Economic Uncertainty and Earnings Management
By: Luke C.D. Stein and Charles C.Y. Wang
In the presence of managerial short-termism and asymmetric information about skill and effort provision, firms may opportunistically shift earnings from uncertain to more certain times. We document empirically that when financial markets are less certain about a firm's...
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Keywords:
Discretionary Accruals;
Uncertainty;
Implied Volatility;
Earnings Response Coefficient;
Risk and Uncertainty;
Earnings Management;
Financial Markets
Stein, Luke C.D., and Charles C.Y. Wang. "Economic Uncertainty and Earnings Management." Harvard Business School Working Paper, No. 16-103, March 2016. (Revised April 2017.)
- 2020
- Working Paper
Social Networks, Ethnicity, and Entrepreneurship
By: William R. Kerr and Martin Mandorff
We study the relationship between ethnicity, occupational choice, and entrepreneurship. Immigrant groups in the United States cluster in specific business sectors. For example, Koreans are 34 times more concentrated in self-employment for dry cleaning than other...
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Keywords:
Self-employed;
Occupation;
Entrepreneurship;
Social Entrepreneurship;
Industry Clusters;
Ethnicity;
Immigration;
Networks;
United States
Kerr, William R., and Martin Mandorff. "Social Networks, Ethnicity, and Entrepreneurship." Harvard Business School Working Paper, No. 16-042, October 2015. (Revised November 2020. NBER Working Paper Series, No. 21597, September 2015)
- 2015
- Chapter
Agglomeration and Innovation
By: Gerald Carlino and William R. Kerr
This chapter reviews academic research on the connections between agglomeration and innovation. We first describe the conceptual distinctions between invention and innovation. We then describe how these factors are frequently measured in the data and some resulting...
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Carlino, Gerald, and William R. Kerr. "Agglomeration and Innovation." Chap. 6 in Handbook of Regional and Urban Economics. Volume 5, edited by Gilles Duranton, J. Vernon Henderson, and William C. Strange, 349–404. Elsevier, 2015.
- 2015
- Mimeo
Market Power in Mortgage Lending and the Transmission of Monetary Policy
By: David S. Scharfstein and Adi Sunderam
We present evidence that high concentration in mortgage lending reduces the sensitivity of mortgage rates and refinancing activity to mortgage-backed security (MBS) yields. We isolate the direct effect of concentration and rule out alternative explanations in two ways....
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Keywords:
Mortgage Lending;
Market Power;
Monetary Policy Transmission;
Mortgages;
Banking Industry;
United States
Scharfstein, David S., and Adi Sunderam. "Market Power in Mortgage Lending and the Transmission of Monetary Policy." April 2015. Mimeo.
- Article
The Disintermediation of Financial Markets: Direct Investing in Private Equity
By: Lily Fang, Victoria Ivashina and Josh Lerner
We examine twenty years of direct private equity investments by seven large institutions. These direct investments perform better than public market indices, especially buyout investments and those made in the 1990s. Outperformance by the direct investments, however,...
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Keywords:
Financial Intermediation;
Direct Investment;
Co-investment;
Private Equity;
Entrepreneurship;
Financial Markets
Fang, Lily, Victoria Ivashina, and Josh Lerner. "The Disintermediation of Financial Markets: Direct Investing in Private Equity." Journal of Financial Economics 116, no. 1 (April 2015): 160–178.
- January 2015 (Revised October 2018)
- Case
Nasty Gals Do It Better
By: David Collis, Diane Chang, Matthew Shaffer and Ashley Hartman
In 2006, Sophia Amoruso started Nasty Gal, an eBay boutique selling vintage clothes. With a strong sense of style and personality, Amoruso poured herself into building the brand and developing relationships with her customers—typically the slightly edgy 18–24 year old....
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Keywords:
Business Growth;
Brand Management;
Online Retail;
Clothing;
Apparel;
Expansion;
Growth and Development Strategy;
Brands and Branding;
Management;
Marketing Strategy;
Strategic Planning;
Social Media;
E-commerce;
Digital Marketing;
Retail Industry;
Apparel and Accessories Industry;
United States
Collis, David, Diane Chang, Matthew Shaffer, and Ashley Hartman. "Nasty Gals Do It Better." Harvard Business School Case 715-412, January 2015. (Revised October 2018.)
- December 2014
- Article
Location Strategies for Agglomeration Economies
By: Juan Alcacer and Wilbur Chung
Geographically concentrated industry activity creates pools of skilled labor and specialized suppliers, and increases opportunities for knowledge spillovers. The strategic value of these agglomeration economies may vary by firm, depending upon the relative value of...
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Keywords:
Location Strategies;
Location Choices;
Agglomeration Economies;
Strategy;
Value Creation;
Geographic Location;
Industry Clusters;
Microeconomics;
Manufacturing Industry;
United States
Alcacer, Juan, and Wilbur Chung. "Location Strategies for Agglomeration Economies." Strategic Management Journal 35, no. 12 (December 2014): 1749–1761.
- 2014
- Chapter
Clusters of Entrepreneurship and Innovation
By: Aaron Chatterji, Edward Glaeser and William R. Kerr
This chapter reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United States. We discuss rationales for the agglomeration of these activities and the economic consequences of clusters. We identify and discuss policies...
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Keywords:
Innovation;
Agglomeration;
Clusters;
Place Making;
Industry Clusters;
Entrepreneurship;
Innovation and Invention;
United States
Chatterji, Aaron, Edward Glaeser, and William R. Kerr. "Clusters of Entrepreneurship and Innovation." In Innovation Policy and the Economy, Volume 14, edited by Josh Lerner and Scott Stern, 129–166. University of Chicago Press, 2014.
- January 2014
- Case
CleanSpritz
By: John A. Quelch and Alisa Zalosh
Sales of CleanSpritz all-purpose cleaning spray have been steadily declining for the past five years, and management believes the decline correlates to a growing environmental concern among U.S. consumers. CleanSpritz's management is considering several options to...
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Keywords:
Product Positioning;
Competition;
Marketing Strategy;
Corporate Social Responsibility and Impact;
Performance Improvement;
Environmental Sustainability;
Product Launch;
Product Development;
Consumer Products Industry
Quelch, John A., and Alisa Zalosh. "CleanSpritz." Harvard Business School Brief Case 914-537, January 2014.
- 2014
- Case
Microfinance Services in Rural Areas--Farmers' Self-reliance Branch of CFPA Microfinance in Shangyi County
By: F. Warren McFarlan, Siqun Yang and Meihua Shen
Microfinance is introduced into China in the 1990s. It had gone through 3 phases since the beginning, namely the pilot phase when all Microfinance practices are sponsored by charity funds based on projects, the promotion phase when the government subsidized some...
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McFarlan, F. Warren, Siqun Yang, and Meihua Shen. "Microfinance Services in Rural Areas--Farmers' Self-reliance Branch of CFPA Microfinance in Shangyi County." 2014.
- 2014
- Teaching Note
Microfinance Services in Rural Areas--Farmers' Self-reliance Branch of CFPA Microfinance in Shangyi County (TN)
By: F. Warren McFarlan, Yang Siqun and Shen Meihua
Microfinance is introduced into China in the 1990s. It had gone through 3 phases since the beginning, namely the pilot phase when all Microfinance practices are sponsored by charity funds based on projects, the promotion phase when the government subsidized some...
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McFarlan, F. Warren, Yang Siqun, and Shen Meihua. "Microfinance Services in Rural Areas--Farmers' Self-reliance Branch of CFPA Microfinance in Shangyi County (TN)." Tsinghua University Teaching Note, 2014.
- December 2013
- Article
Legislating Stock Prices
By: Lauren Cohen, Karl Diether and Christopher Malloy
We demonstrate that legislation has a simple, yet previously undetected impact on stock prices. Exploiting the voting record of legislators whose constituents are the affected industries, we show that the votes of these "interested" legislators capture important...
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Keywords:
Legislator Incentives;
Voting;
Return Predictability;
Lobbying;
Motivation and Incentives;
Government Legislation;
Stocks
Cohen, Lauren, Karl Diether, and Christopher Malloy. "Legislating Stock Prices." Journal of Financial Economics 110, no. 3 (December 2013): 574–595. (Winner of Fama-DFA Prize for the Best Paper Published in the Journal of Financial Economics in Asset Pricing (Distinguished Paper) 2013.)
- October 2013
- Article
The Strategy That Will Fix Health Care
By: Michael E. Porter and Thomas H. Lee
In health care, the days of business as usual are over. Around the world, every health care system is struggling with rising costs and uneven quality, despite the hard work of well-intentioned, well-trained clinicians. Health care leaders and policy makers have tried...
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Keywords:
Organizational Change and Adaptation;
Strategy;
Value;
Customer Focus and Relationships;
Health Care and Treatment;
Health Industry
Porter, Michael E., and Thomas H. Lee. "The Strategy That Will Fix Health Care." Harvard Business Review 91, no. 10 (October 2013): 50–70.
- 2013
- Working Paper
International Health Economics
By: Mark Egan and Tomas J. Philipson
Perhaps because health care is a local service sector, health economists have paid little attention to international linkages between domestic health care economies. However, the growth in domestic health care sectors is often attributed to medical innovations whose...
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Egan, Mark, and Tomas J. Philipson. "International Health Economics." NBER Working Paper Series, No. 19280, August 2013.
- May 2013
- Article
From Russia with Love: The Impact of Relocated Firms on Incumbent Survival
By: Oliver Falck, Christina Guenther, Stephan Heblich and William R. Kerr
We identify the impact of local firm concentration on incumbent performance with a quasi-natural experiment. When Germany was divided after World War II, many firms in the machine tool industry fled the Soviet occupied zone to prevent expropriation. We show that the...
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Falck, Oliver, Christina Guenther, Stephan Heblich, and William R. Kerr. "From Russia with Love: The Impact of Relocated Firms on Incumbent Survival." Journal of Economic Geography 13, no. 3 (May 2013): 419–449.
- September 2012 (Revised December 2013)
- Case
Roxbury Technology Corporation
By: Richard S. Ruback and Royce Yudkoff
Roxbury Technology is a Boston-based re-manufacturer of ink and toner cartridges. In early 2012 RTC was re-evaluating its approach to the company's two most important goals: reducing customer concentration and increasing profitability. RTC's largest customer accounted...
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- August 2012
- Article
A Darker Side to Decentralized Banks: Market Power and Credit Rationing in SME Lending
By: Rodrigo Canales and Ramana Nanda
We use loan-level data to study how the organizational structure of banks impacts small business lending. We find that decentralized banks-where branch managers have greater autonomy over lending decisions-give larger loans to small firms and those with "soft...
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Keywords:
Geographic Location;
Customers;
Financing and Loans;
Credit;
Organizational Structure;
Banks and Banking;
Governance Compliance;
Competitive Strategy
Canales, Rodrigo, and Ramana Nanda. "A Darker Side to Decentralized Banks: Market Power and Credit Rationing in SME Lending." Journal of Financial Economics 105, no. 2 (August 2012): 353–366.
- Article
Industry-Level Supply-Side Market Concentration and the Price of Military Conflict
By: Jaya Y. Wen
Wen, Jaya Y. "Industry-Level Supply-Side Market Concentration and the Price of Military Conflict." Conflict Management and Peace Science 29, no. 1 (February 2012): 79–92.