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Show Results For
- All HBS Web
(1,870)
- People (1)
- News (317)
- Research (1,401)
- Events (19)
- Multimedia (5)
- Faculty Publications (475)
- March 2024 (Revised January 2025)
- Case
Hippo: Weathering the Storm of the Home Insurance Crisis
By: Lauren Cohen, Grace Headinger and Sophia Pan
Rick McCathron, CEO of Hippo, considered how the firm’s underwriting model could account for the effects of climate change. Along with providing smart home packages, targeting risk-friendly customers, and using data-driven pricing, the Insurtech used technologically... View Details
Keywords: Fintech; Underwriters; Big Data; Insurance Companies; Business Model Design; Weather Insurance; Business Model; Forecasting and Prediction; Climate Change; Environmental Sustainability; Green Technology; Technological Innovation; Natural Environment; Natural Disasters; Weather; Business Strategy; Competitive Advantage; Business Earnings; Insurance; Social Issues; Insurance Industry; United States; California
- Article
Corruption and Firms
By: Emanuele Colonnelli and Mounu Prem
We estimate the causal real economic effects of a randomized anti-corruption crackdown on local governments in Brazil using rich micro-data on corruption and firms. After anti-corruption audits, municipalities experience an increase in the number of firms concentrated... View Details
Colonnelli, Emanuele, and Mounu Prem. "Corruption and Firms." Review of Economic Studies 89, no. 2 (March 2022): 695–732.
- September–October 2021
- Article
Frontiers: Can an AI Algorithm Mitigate Racial Economic Inequality? An Analysis in the Context of Airbnb
By: Shunyuan Zhang, Nitin Mehta, Param Singh and Kannan Srinivasan
We study the effect of Airbnb’s smart-pricing algorithm on the racial disparity in the daily revenue earned by Airbnb hosts. Our empirical strategy exploits Airbnb’s introduction of the algorithm and its voluntary adoption by hosts as a quasi-natural experiment. Among... View Details
Keywords: Smart Pricing; Pricing Algorithm; Machine Bias; Discrimination; Racial Disparity; Social Inequality; Airbnb Revenue; Revenue; Race; Equality and Inequality; Prejudice and Bias; Price; Mathematical Methods; Accommodations Industry
Zhang, Shunyuan, Nitin Mehta, Param Singh, and Kannan Srinivasan. "Frontiers: Can an AI Algorithm Mitigate Racial Economic Inequality? An Analysis in the Context of Airbnb." Marketing Science 40, no. 5 (September–October 2021): 813–820.
- October 1987 (Revised January 2013)
- Background Note
Note on Free Cash Flow Valuation Models
Explores some of the issues involved in valuing cash flow streams. A simple model is presented that reveals the effect on value of changing assumptions about the appropriate discount rate, the level of profitability, the growth rate of sales, the asset intensity ratio,... View Details
Sahlman, William A. "Note on Free Cash Flow Valuation Models." Harvard Business School Background Note 288-023, October 1987. (Revised January 2013.)
- 2008
- Working Paper
Cost of External Finance and Selection into Entrepreneurship
By: Ramana Nanda
This paper examines the extent to which the positive relationship between personal wealth and entry into entrepreneurship is due to financing constraints. I exploit a tax reform and use unique micro-data from Denmark to study how exogenous changes in the cost of... View Details
Keywords: Business Startups; Entrepreneurship; Cost; Financing and Loans; Personal Finance; Human Capital; Wealth; Denmark
Nanda, Ramana. "Cost of External Finance and Selection into Entrepreneurship." Harvard Business School Working Paper, No. 08-047, January 2008.
- 2014
- Working Paper
Return on Political Investment in the American Jobs Creation Act of 2004
By: Hui Chen, Katherine Gunny and Karthik Ramanna
Prior literature raises a "puzzle" of high rates of return on corporate political investment, but evidence for this puzzle is largely descriptive in nature. We exploit the setting of the American Jobs Creation Act's passage in 2004 to provide more robust estimates of... View Details
Chen, Hui, Katherine Gunny, and Karthik Ramanna. "Return on Political Investment in the American Jobs Creation Act of 2004." Harvard Business School Working Paper, No. 15-050, December 2014.
- Research Summary
Comparative Corporate Governance
Dyck's research identifies the important role that institutions external to the firm play in determining corporate governance abuses, financial sector development, and the success of government policies such as privatization. In recent work Dyck develops an empirical... View Details
- 13 Jan 2015
- First Look
First Look: January 13
principal and investment earnings are taxed upon withdrawal. Using administrative data from 11 companies that added a Roth contribution option to their existing 401(k) plan between 2006 and 2010, we find no evidence that total 401(k)... View Details
Keywords: Sean Silverthorne
- 2019
- Working Paper
Racial Heterogeneity and Local Government Finances: Evidence from the Great Migration
By: Marco Tabellini
Between 1915 and 1930, during the First Great Migration, more than 1.5 million African Americans migrated from the South to the North of the United States, altering the racial profile of several northern cities for the first time in American history. I exploit this... View Details
Keywords: Migration; Race; City; Financial Condition; Government and Politics; History; United States
Tabellini, Marco. "Racial Heterogeneity and Local Government Finances: Evidence from the Great Migration." Harvard Business School Working Paper, No. 19-006, July 2018. (Revised September 2019. Featured in Harvard Magazine.)
- May 1998 (Revised February 2007)
- Background Note
Measuring Mutual Fund Performance
By: Andre F. Perold and Markus Mullarkey
Examines various approaches to measuring mutual fund performance. The approaches include the use of risk exposure and the Sharpe Ratio, as well as the Morningstar star system for rating mutual funds. Applies the approaches to a variety of mutual funds to demonstrate... View Details
Perold, Andre F., and Markus Mullarkey. "Measuring Mutual Fund Performance." Harvard Business School Background Note 298-139, May 1998. (Revised February 2007.)
- July 2005
- Article
The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data
By: Rafael Di Tella and Robert MacCulloch
We introduce a new data set on hiring and firing restrictions for 21 OECD countries for the period 1984 –1990. The data are based on surveys of business people in the countries covered, so the indices we use are subjective in nature. Controlling for country and time... View Details
Keywords: Job Security Provisions; Subjective Data; Unemployment; Employment; Labor; Markets; Data and Data Sets
Di Tella, Rafael, and Robert MacCulloch. "The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data." European Economic Review 49, no. 5 (July 2005): 1225–59.
- 24 Oct 2011
- Research & Ideas
The Yelp Factor: Are Consumer Reviews Good for Business?
displayed to consumers. By applying a regression discontinuity analysis, Luca could study how revenues jumped when star thresholds were crossed and compare these with the more steady changes over time. The result: Luca could directly trace the View Details
- September 1990 (Revised November 1991)
- Supplement
Merck & Co., Inc. (C)
Discusses the 1989 modified performance appraisal program by adding performance gradations and allowing for differences in employee rating distributions depending on the division performance for the year. The objective is to have students discuss the revisions in the... View Details
Murphy, Kevin J. "Merck & Co., Inc. (C)." Harvard Business School Supplement 491-007, September 1990. (Revised November 1991.)
- 2020
- Working Paper
Demystifying the Math of the Coronavirus
By: Elon Kohlberg and Abraham Neyman
We provide an elementary mathematical description of the spread of the coronavirus. We explain two fundamental relationships: How the rate of growth in new infections is determined by the “effective reproductive number” and how the effective reproductive number is... View Details
Kohlberg, Elon, and Abraham Neyman. "Demystifying the Math of the Coronavirus." Harvard Business School Working Paper, No. 20-112, April 2020. (Revised May 2020.)
- 04 Jun 2024
- Cold Call Podcast
How One Insurtech Firm Formulated a Strategy for Climate Change
- 16 Oct 2018
- First Look
New Research and Ideas, October 16, 2018
DSMC holds as a consistent pattern in a dynamic equilibrium. Given DSMC, clusters of firms making different complementary goods, including open platforms with surrounding ecosystems, can survive and compete effectively against integrated... View Details
Keywords: Dina Gerdeman
Saving More in Groups: Field Experimental Evidence from Chile
We test the effectiveness of self-help peer groups as a commitment device for precautionary savings, through two randomized field experiments among 2,687 microentrepreneurs in Chile. The first experiment finds that self-help peer groups are a powerful tool to... View Details
- 2016
- Chapter
Fiscal Issues for Cross-Border Natural Resource Projects
By: Joseph Bell and Jasmina Chauvin
Projects that cross national boundaries give rise to the complex question of how the project's taxable income should be allocated among the national entities. This chapter utilizes a hypothetical mining project with the mine and infrastructure in two different... View Details
Keywords: Extractive Industries; Business ＆ Government Relations; Transfer Pricing; Taxation; Infrastructure; Cross-Cultural and Cross-Border Issues; Business and Government Relations; Mining Industry
Bell, Joseph, and Jasmina Chauvin. "Fiscal Issues for Cross-Border Natural Resource Projects." Chap. 8 in International Taxation and the Extractive Industries, edited by Philip Daniel, Michael Keen, Artur Świstak, and Victor Thuronyi, 190–214. Routledge Studies in Development Economics. Routledge, 2016.
- December 2013 (Revised March 2024)
- Case
Breaking Bad (the Rules): Argentina Defaults, Inflates (and Grows), 1997–2015
By: Rafael Di Tella and Fernanda Miguel
In late October 2011, after losing 1 billion of dollar reserves in one month, the Argentine government began imposing a series of currency controls, limiting the ability to buy foreign currency. As of October 2011, Argentina's tax collection agency AFIP had been... View Details
Di Tella, Rafael, and Fernanda Miguel. "Breaking Bad (the Rules): Argentina Defaults, Inflates (and Grows), 1997–2015." Harvard Business School Case 714-036, December 2013. (Revised March 2024.)
- 17 Jan 2024
- HBS Case
Psychological Pricing Tactics to Fight the Inflation Blues
considered especially effective today—as well as those that are losing luster. Tiered pricing guides consumers to make the ‘right’ choice An increasing number of firms are starting to use tiered pricing, a strategy that provides customers... View Details