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- All HBS Web (234)
- Faculty Publications (50)
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- 12 Oct 2006
- First Look
First Look: October 12, 2006
Strategic Value Advisors—predict environmental performance. We find that firms that have more KLD Environmental Concerns have slightly, but statistically significantly, more pollution and regulatory violations in later years than firms... View Details
Keywords: Sean Silverthorne
- 20 Jul 2020
- Op-Ed
It's Time for a Bipartisan Health Plan for Employers and Employees
propose a way to alter our health insurance benefits universe for insured employees and the self-insured by combining the best of Republican and Democratic ideas about health insurance. More choice, affordability, and personal control A... View Details
- 13 Jun 2012
- HBS Case
HBS Cases: A Startup Takes On the Credit Ratings Giants
For most of the 20th century, three bond ratings agencies—Moody's, Fitch, and Standard & Poor's—dominated the credit ratings industry, recently controlling 97 percent of the market. But the status quo was disrupted by the 2008 global... View Details
- 02 Jul 2013
- First Look
First Look: July 2
personal connections amongst U.S. politicians have a significant impact on Senate voting behavior. Networks based on alumni connections between politicians are consistent predictors of voting behavior. We estimate sharp measures that View Details
Keywords: Anna Secino
- 05 Nov 2013
- First Look
First Look: November 5
the waiting time to enter the ED increased by 26 minutes. We do not find any indications of improved performance on clinical metrics, with no statistical change in the number of admissions to the hospital or readmissions to the ED within... View Details
Keywords: Sean Silverthorne
- 08 Nov 2016
- First Look
November 8, 2016
reduce risk, though the effectiveness depends upon the role of capital structure in volatility. To address this question, we build a statistical model of equity volatility that accounts for leverage. Our approach blends Merton’s insights... View Details
Keywords: Sean Silverthorne
- 26 Nov 2013
- First Look
First Look: November 26
surrounding their adoption. This finding raises the possibility that even though GPs facilitate some value-increasing acquisitions, they do have, on average, an overall negative effect on shareholder wealth; this effect could be due to GPs weakening the force of the... View Details
Keywords: Sean Silverthorne
- 02 Sep 2014
- First Look
First Look: September 2
propensity score matched samples. We find significant heterogeneity in corporate disclosure responses across those four countries. Relative to propensity score matched control firms, treated firms in China and South Africa increased... View Details
Keywords: Sean Silverthorne
- 15 Mar 2011
- First Look
First Look: March 15
Publication:The Accounting Review 86, no. 2 (March 2011) Abstract Recent accounting scholarship has used statistical analysis on asset prices, financial reports and disclosures, laboratory experiments, and surveys of practice. The... View Details
Keywords: Sean Silverthorne
- 02 Sep 2008
- First Look
First Look: September 3, 2008
about the outcome of wrongdoing influence both ethical judgments and decisions to punish wrongdoers. Our studies show that people judge behavior as more unethical when (1) identifiable versus statistical victims are involved and (2) the... View Details
Keywords: Sean Silverthorne
- 20 Dec 2011
- First Look
First Look: December 20
and unpublished data on unconscious thought were included. Our aims were to provide a statistically robust estimate of the effect size of the UTE, to identify significant moderators, and to discuss possible underlying processes of the... View Details
Keywords: Carmen Nobel
- 02 Feb 2010
- First Look
First Look: Feb. 2
investment. Complex multinational business groups emerged controlling large investments in natural resources, processing, and services in Asia, Latin America, and Africa. Nominal versus Indexed Debt: A Quantitative Horse Race... View Details
Keywords: Martha Lagace
- 08 Apr 2014
- First Look
First Look: April 8
flat and statistically insignificant. These empirical facts contradict the conventional wisdom and constitute a challenge for the existing theories on upstream capital flows and global imbalances. Download working paper:... View Details
Keywords: Sean Silverthorne
- 15 Jan 2008
- First Look
First Look: January 15, 2008
controlling for other known effects on citation rate, such as outlet, discipline, length, number of citations and methodology. Our findings suggest that multidisciplinary fields can enhance their knowledge sharing by attending to the... View Details
Keywords: Martha Lagace
- 21 Aug 2018
- First Look
New Research and Ideas, August 21, 2018
We implement a variety of machine learning methods to forecast daily sales. We find that using social media information results in statistically significant improvements in the out-of-sample accuracy of the forecasts, with relative... View Details
Keywords: Dina Gerdeman
- 12 May 2016
- Research & Ideas
When Mass Shootings Lead to Looser Gun Restrictions
the researchers employed a “difference-in-differences” statistical methodology. Their study examined how legislation changed in a state the year after a mass shooting; they used states that did not have shootings as a View Details
Keywords: by Carmen Nobel
- 14 Dec 2011
- Research & Ideas
The New Measures for Improving Nonprofit Performance
brought positive, statistically significant change to every cohort. In another case, the Friendship Public Charter School, a group of four traditional public schools and six public charter schools in the Washington, D.C.-Baltimore area,... View Details
Keywords: by Julia Hanna
- 28 Jul 2009
- First Look
First Look: July 28
best-known authority, TRUSTe, are more than twice as likely to be untrustworthy as uncertified sites. This difference remains statistically and economically significant when restricted to "complex" commercial sites. In contrast,... View Details
Keywords: Martha Lagace
- 27 Jun 2017
- First Look
First Look at New Research and Ideas, June 27
drive up the cost of capital and curb investment. This paper evaluates the effects of capital controls on firm-level stock returns and real investment using data from Brazil. On average, there is a View Details
Keywords: Sean Silverthorne
- 07 Mar 2000
- Research & Ideas
Putting Health Care Consumers in the Driver’s Seat
U.S. consumers more power over decisions related to health care. Those who advocate consumer-driven health care—including conference chair Professor Regina E. Herzlinger—believe that shifting control of health-care purchasing decisions... View Details