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All HBS Web
(549)
- News (69)
- Research (403)
- Events (2)
- Multimedia (1)
- Faculty Publications (73)
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- Article
The Hidden Costs of Initial Coin Offerings
By: Jeffrey J. Bussgang and Ramana Nanda
In recent years, much has been written about how the Blockchain is poised to transform traditional industries such as banking, real estate, and healthcare. More recently, it has gained attention as a way to finance new ventures, through what is known as an Initial Coin...
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Bussgang, Jeffrey J., and Ramana Nanda. "The Hidden Costs of Initial Coin Offerings." Harvard Business Review (website) (November 7, 2018).
- Article
Update on E-liability Accounting
By: Robert Kaplan, Karthik Ramanna and Piyush Jha
Since publication of the original E-liability carbon accounting paper (HBR, Nov 2021), we created the E-liability Institute to help companies, governments, and nonprofits implement the method. The Institute’s mission is to test and validate the method, and develop...
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Keywords:
Decarbonization;
Carbon Footprint;
Supply Chain;
Environmental Sustainability;
Environmental Accounting
Kaplan, Robert, Karthik Ramanna, and Piyush Jha. "Update on E-liability Accounting." Accountability in a Sustainable World Quarterly, no. 4 (September 2023): 96–117.
- 06 Nov 2006
- Research & Ideas
How South Africa Challenges Our Thinking on FDI
enduring strength of the corporate climate in South Africa, says Eric D. Werker, an assistant professor at Harvard Business School. Werker's case study, "Foreign Direct Investment and South Africa," to be published in December, shows that South Africa's...
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Keywords:
by Martha Lagace
- 23 Jan 2023
- Research & Ideas
After High-Profile Failures, Can Investors Still Trust Credit Ratings?
answers the question, ‘Should we continue to rely on ratings, given all the times that ratings have been shown not to be correct?” Harvard Business School assistant professor Anywhere Sikochi and colleagues crunched thousands of ratings between 2003 and 2015 to View Details
Keywords:
by Ben Rand
- June 2008
- Article
The Market for Mergers and the Boundaries of the Firm
By: Matthew Rhodes-Kropf and David Robinson
We relate the property rights theory of the firm to empirical regularities in the market for mergers and acquisitions. We first show that high market-to-book acquirers typically do not purchase low market-to-book targets. Instead, mergers pair together firms with...
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Rhodes-Kropf, Matthew, and David Robinson. "The Market for Mergers and the Boundaries of the Firm." Journal of Finance 63, no. 3 (June 2008): 1169–1211.
- Research Summary
Statistical Methodology
William Simpson is developing methods of inference to use when assumptions of standard models are not met. He has created a hypothesis test to use for ipsative variables that adjusts for the non-zero correlations among variables expected under the null hypothesis. ... View Details
- March 2010
- Article
Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research
By: Ian D. Gow, Daniel Taylor and Gaizka Ormazabal
We review and evaluate the methods commonly used in the accounting literature to correct for cross-sectional and time-series dependence. While much of the accounting literature studies settings in which variables are cross-sectionally and serially correlated, we find...
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Keywords:
History;
Cost of Capital;
Activity Based Costing and Management;
Performance Evaluation;
Cost Accounting;
Time Management;
Research;
Mathematical Methods;
Equity;
Borrowing and Debt;
Accounting Audits;
Accounting Industry
Gow, Ian D., Daniel Taylor, and Gaizka Ormazabal. "Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research." Accounting Review 85, no. 2 (March 2010): 483–512.
- 13 Dec 2022
- Research & Ideas
The Color of Private Equity: Quantifying the Bias Black Investors Face
fund raised almost 50 percent of its goal, while the mean minority fund raised only about 25 percent. Follow-on funding One of the most surprising findings, say the researchers, was that Black- and Hispanic-owned funds are held to a higher View Details
- 2013
- Working Paper
Non-Standard Matches and Charitable Giving
By: Michael Sanders, Sarah Smith and Michael I. Norton
Many organisations, including corporations and governments, wish to encourage charitable giving, and offer incentives for their employees, customers and citizens to do so. The most common of these incentives is a match rate, where the organisation agrees to pay, for...
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Sanders, Michael, Sarah Smith, and Michael I. Norton. "Non-Standard Matches and Charitable Giving." Harvard Business School Working Paper, No. 13-094, May 2013.
- Research Summary
An Uncomfortable Predictability Paradox
In predictive regressions, we test the null hypothesis that a predictor has no information about expected returns, i.e. beta equals zero. However, the literature neglects to recognize that we are testing a joint hypothesis. The maintained...
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- February 2023
- Case
Success Academy Charter Schools
By: Robin Greenwood, Joshua D. Coval, Denise Han, Ruth Page and Dave Habeeb
This stand-alone multimedia case follows the story of Eva Moskowitz and Success Academy, a network of high-performing charter schools in New York City. As a New York City councilor between 1999 and 2006, Moskowitz became frustrated over the inertia and dysfunction in...
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Keywords:
Business and Government Relations;
Performance Effectiveness;
Equality and Inequality;
Private Sector;
Education Industry;
New York (city, NY)
Greenwood, Robin, Joshua D. Coval, Denise Han, Ruth Page, and Dave Habeeb. "Success Academy Charter Schools." Harvard Business School Multimedia/Video Case 222-707, February 2023.
- Research Summary
Heteroskedasticity Autocorrelation Consistent Covariance Matrix Estimation with Wavelets
I propose a new HAC estimator based on the wavelet representation of the spectral density. Whereas kernel-based HAC estimators [e.g. Newey West (1987) Andrews (1991)] have a fixed bandwidth, a wavelet estimator has bandwidths that vary across wavelet resolution...
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- March 2021
- Article
Opting-in to Prosocial Incentives
By: Daniel Schwartz, Elizabeth A. Keenan, Alex Imas and Ayelet Gneezy
The design of effective incentive schemes that are both successful in motivating employees and keeping down costs is of critical importance. Research has demonstrated that prosocial incentives, where individuals’ effort benefits a charitable organization, can sometimes...
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Keywords:
Incentives;
Prosocial Behavior;
Behavioral Economics;
Field Experiments;
Recycling;
Prosocial Motivation;
Decision Making;
Motivation and Incentives;
Behavior
Schwartz, Daniel, Elizabeth A. Keenan, Alex Imas, and Ayelet Gneezy. "Opting-in to Prosocial Incentives." Organizational Behavior and Human Decision Processes 163 (March 2021): 132–141.
- 2008
- Working Paper
Rethinking the Role of History in Law & Economics: The Case of the Federal Radio Commission in 1927
By: David A. Moss and Jonathan B. Lackow
In the study of law and economics, there is a danger that historical inferences from theory may infect historical tests of theory. It is imperative, therefore, that historical tests always involve a vigorous search not only for confirming evidence, but for...
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Keywords:
Economic History;
Decision Choices and Conditions;
Government Legislation;
Law;
Media and Broadcasting Industry
Moss, David A., and Jonathan B. Lackow. "Rethinking the Role of History in Law & Economics: The Case of the Federal Radio Commission in 1927." Harvard Business School Working Paper, No. 09-008, August 2008.
- 2013
- Working Paper
Network Effects in Countries' Adoption of IFRS
By: Karthik Ramanna and Ewa Sletten
If the differences in accounting standards across countries reflect relatively stable institutional differences (e.g., auditing technology, the rule of law, etc.), why did several countries rapidly, albeit in a staggered manner, adopt IFRS over local standards in the...
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Keywords:
Financial Reporting;
International Accounting;
Network Effects;
Standards;
Adoption;
Value
Ramanna, Karthik, and Ewa Sletten. "Network Effects in Countries' Adoption of IFRS." Harvard Business School Working Paper, No. 10-092, April 2010. (Revised July 2013.)
- 2023
- Working Paper
Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education
By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla
We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing...
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Andrabi, Tahir, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja, and Naureen Karachiwalla. "Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education." NBER Working Paper Series, No. 30929, February 2023.
- 18 Nov 2002
- Research & Ideas
Where Morals and Profits Meet: The Corporate Value Shift
assuming responsibility, adhering to ethical standards, or exercising moral judgment. But abundant evidence shows that companies today are expected to do all these things. In every region I've studied, I've found business leaders who are trying to develop companies...
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Keywords:
by Carla Tishler
- July 2008
- Article
Fairness in Extended Dictator-Game Experiments
By: Felix Oberholzer-Gee and Reiner Eichenberger
We test the robustness of behavior in dictator games by offering allocators the choice to play an unattractive lottery. With this lottery option, mean transfers from allocators to recipients substantially decline, partly because many allocators now keep the entire...
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Oberholzer-Gee, Felix, and Reiner Eichenberger. "Fairness in Extended Dictator-Game Experiments." Art. 16. B.E. Journal of Economic Analysis & Policy 8, no. 1 (July 2008).
- 01 Jan 2015
- Working Paper Summaries
Lobbying Behavior of Governmental Entities: Evidence from Public Pension Accounting Rules
Keywords:
by Abigail M. Allen & Reining Petacchi
- 2007
- Working Paper
Evidence from Goodwill Non-impairments on the Effects of Unverifiable Fair-Value Accounting
By: Karthik Ramanna and Ross L. Watts
SFAS 142 requires firms to use unverifiable fair-value estimates to determine goodwill impairments. Standard setters suggest managers will use the discretion given by such estimates to convey private information on future cash flows, while agency theory predicts...
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Ramanna, Karthik, and Ross L. Watts. "Evidence from Goodwill Non-impairments on the Effects of Unverifiable Fair-Value Accounting." Harvard Business School Working Paper, No. 08-014, August 2007.