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All HBS Web
(117,225)
- Faculty Publications (37,138)
- August 2018
- Article
Extrapolation and Bubbles
By: Nicholas Barberis, Robin Greenwood, Lawrence Jin and Andrei Shleifer
We present an extrapolative model of bubbles. In the model, many investors form their demand for a risky asset by weighing two signals: an average of the asset’s past price changes and the asset’s degree of overvaluation. The two signals are in conflict, and investors...
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Barberis, Nicholas, Robin Greenwood, Lawrence Jin, and Andrei Shleifer. "Extrapolation and Bubbles." Journal of Financial Economics 129, no. 2 (August 2018): 203–227.
- August 2018
- Article
Growth Through Heterogeneous Innovations
By: Ufuk Akcigit and William R. Kerr
We build a tractable growth model where multi-product incumbents invest in internal innovations to improve their existing products, while new entrants and incumbents invest in external innovations to acquire new product lines. External and internal innovations generate...
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Keywords:
Endogenous Growth;
Innovation;
Citations;
Scientists;
Entrepreneurs;
External;
Internal;
Patents;
Innovation Strategy;
Entrepreneurship;
Economic Growth;
Research and Development;
Science
Akcigit, Ufuk, and William R. Kerr. "Growth Through Heterogeneous Innovations." Journal of Political Economy 126, no. 4 (August 2018): 1374–1443.
- August 2018 (Revised February 2023)
- Case
Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing
By: Jill Avery and Ayelet Israeli
As its Series A extension round approaches, the founders of Hubble, a subscription-based, social-media fueled, direct-to-consumer (DTC) brand of contact lenses, are reflecting on the marketing strategies that have taken them to a valuation of $200 million and debating...
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Keywords:
DTC;
Direct To Consumer Marketing;
Health Care;
Mobile;
Attribution;
Experimentation;
Experiments;
Churn/retention;
Customer Lifetime Value;
Internet Marketing;
Big Data;
Analytics;
A/B Testing;
CRM;
Advertising;
Marketing;
Marketing Channels;
Marketing Strategy;
Media;
Brands and Branding;
Marketing Communications;
Digital Marketing;
Consumer Behavior;
Acquisition;
Growth and Development Strategy;
Customer Focus and Relationships;
Social Media;
E-commerce;
Analytics and Data Science;
Health Industry;
Consumer Products Industry;
United States;
North America;
Europe
Avery, Jill, and Ayelet Israeli. "Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing." Harvard Business School Case 519-011, August 2018. (Revised February 2023.)
- Aug 2018
- Conference Presentation
Identity Bridging across the Retirement Transition
- 2018
- Working Paper
Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
We demonstrate that data from digital platforms such as Yelp have the potential to improve our understanding of gentrification, both by providing data in close to real time (i.e., nowcasting and forecasting) and by providing additional context about how the local...
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Keywords:
Geographic Location;
Local Range;
Transition;
Analytics and Data Science;
Measurement and Metrics;
Forecasting and Prediction
Glaeser, Edward L., Hyunjin Kim, and Michael Luca. "Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change." NBER Working Paper Series, No. 24952, August 2018.
- August 2018
- Article
Pension Policy and the Financial System
Scharfstein, David S. "Pension Policy and the Financial System." Journal of Finance 73, no. 4 (August 2018): 1463–1512.
- 2018
- Chapter
Pharmaceutical Trends, Not What They Seem
By: Kyle Myers and Mark Pauly
Myers, Kyle, and Mark Pauly. "Pharmaceutical Trends, Not What They Seem." In Managing Discovery in the Life Sciences: Harnessing Creativity to Drive Biomedical Innovation, by Philip A. Rea, Mark V. Pauly, and Lawton R. Burns, 18–42. Cambridge: Cambridge University Press, 2018.
- Article
Raiffa Transformed the Field of Negotiation—and Me
By: Max Bazerman
Howard Raiffa was a role model, friend, and inspiration. He transformed the field of negotiation, and he transformed my career. This brief article provides a recollection of how Howard revolutionized the field of negotiation and how those insights are now affecting...
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Bazerman, Max. "Raiffa Transformed the Field of Negotiation—and Me." Negotiation and Conflict Management Research 11, no. 3 (August 2018): 259–261.
- 2018
- Working Paper
Status Inconsistency: Variance in One's Status Across Groups Harms Well-being but Improves Perspective-taking
By: Catarina Fernandes and Alison Wood Brooks
Most people belong to many different groups. While some people experience consistently high or low status across all of their groups, others experience wildly different levels of status in each group. In this research, we examine how status inconsistency – the degree...
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- August 2018
- Article
The Effect of Graphic Warnings on Sugary-Drink Purchasing
By: Grant Donnelly, Laura Y. Zatz, Daniel Svirsky and Leslie John
Governments have proposed text warning labels to decrease consumption of sugary drinks – a contributor to chronic diseases like diabetes. However, they may be less effective than more evocative, graphic warning labels. We field-tested the effectiveness of graphic...
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Keywords:
Policy Making;
Preferences;
Food;
Health;
Policy;
Information;
Labels;
Consumer Behavior;
Decision Making;
Performance Effectiveness
Donnelly, Grant, Laura Y. Zatz, Daniel Svirsky, and Leslie John. "The Effect of Graphic Warnings on Sugary-Drink Purchasing." Psychological Science 29, no. 8 (August 2018): 1321–1333.
- August 2018
- Supplement
The Tax Man: Taxes in Private Equity Real Estate
By: Nori Gerardo Lietz, Timothy J. Becker, Ricardo Andrade and Sayiddah Fatima McCree
- August 2018
- Supplement
The Tax Man: Taxes in Private Equity Real Estate
By: Nori Gerardo Lietz and Sayiddah Fatima McCree
- 2018
- Book
Trust: Creating the Foundation for Entrepreneurship in Developing Countries
By: Tarun Khanna
Entrepreneurs in developing countries who assume they will have the same legal, governmental, and institutional protections as their counterparts in the West will fail. To succeed, they need to build trust within the existing structures—and this book shows how it's...
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Khanna, Tarun. Trust: Creating the Foundation for Entrepreneurship in Developing Countries. Oakland, CA: Berrett-Koehler Publishers, 2018.
- August 2018
- Article
Virtual Issue on Empirical Management Accounting Research
By: Margaret Abernethy and Dennis Campbell
Abernethy, Margaret, and Dennis Campbell. "Virtual Issue on Empirical Management Accounting Research." Journal of Accounting Research (August 2018).
- August 2018
- Teaching Note
Vodafone: Managing Advanced Technologies and Artificial Intelligence
By: William R. Kerr and James Palano
Teaching Note for HBS No. 318-109.
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- 2018
- Chapter
Work and Workplace
By: Kai Ruggeri, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz and A. V. Whillans
Work is a major part of many lives. While individual experiences with work will differ—from how long we work to what jobs we have and to what extent we enjoy them—almost everyone is affected by employment, whether they have a job or not. Decades of research in the...
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Keywords:
Workplace;
Behavioral Insights;
Retirement Savings;
Working Conditions;
Employees;
Performance;
Happiness;
Health;
Job Search;
Change
Ruggeri, Kai, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz, and A. V. Whillans. "Work and Workplace." Chap. 9 in Behavioral Insights for Public Policy: Concepts and Cases, edited by Kai Ruggeri, 156–173. New York: Routledge, 2018.
- July 2018
- Teaching Note
Cumplo.com
Teaching Note for HBS No. 818-039. Teaching Note for HBS No. 818-039. Cumplo is a Chilean-based fin-tech startup that provides investors and small businesses with opportunities to access loans and investments in ways distinct from traditional financial institutions in...
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- July 30, 2018
- Article
How to Lead Like Abraham Lincoln, According to a Harvard Historian
By: Nancy F. Koehn
Koehn, Nancy F. "How to Lead Like Abraham Lincoln, According to a Harvard Historian." Quartz at Work (July 30, 2018).
- July 2018
- Case
Movile in 2015
Applegate, Lynda M. "Movile in 2015." Harvard Business School Case 819-014, July 2018.
- July 2018 (Revised January 2019)
- Teaching Note
MC Tool
By: Richard S. Ruback, Royce Yudkoff and Ahron Rosenfeld
Sean Witty and Jason Premo acquired MC Tool, a machine shop located in South Carolina in 2007 with the intent to transform it into a precision manufacturer. Witty and Premo were able to more than double revenue to $6 million in their first year of managing MC by...
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