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(1,107)
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- Faculty Publications (376)
Show Results For
- All HBS Web
(1,107)
- People (1)
- News (177)
- Research (621)
- Events (18)
- Multimedia (5)
- Faculty Publications (376)
- 06 Apr 2020
- Working Paper Summaries
A General Theory of Identification
Keywords: by Iavor Bojinov and Guillaume Basse
- February 2021
- Tutorial
T-tests: Theory and Practice
This video provides an introduction to hypothesis testing, sampling, t-tests, and p-values. It provides examples of A/B testing and t-testing to assess whether difference between two groups are statistically significant. This video can be assigned in conjunction with... View Details
- 07 Feb 2013
- News
The case for having a founder run the business
- Mar 2021
- Conference Presentation
Descent-to-Delete: Gradient-Based Methods for Machine Unlearning
By: Seth Neel, Aaron Leon Roth and Saeed Sharifi-Malvajerdi
We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising both... View Details
Neel, Seth, Aaron Leon Roth, and Saeed Sharifi-Malvajerdi. "Descent-to-Delete: Gradient-Based Methods for Machine Unlearning." Paper presented at the 32nd Algorithmic Learning Theory Conference, March 2021.
- June 2021
- Technical Note
Introduction to Linear Regression
By: Michael Parzen and Paul Hamilton
This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical... View Details
- 13 Jul 2017
- News
Why we are all insurance companies
- April 2002 (Revised May 2003)
- Supplement
An Overview of Project Finance-2002 Update
By: Benjamin C. Esty and Irina L. Christov
This case introduces to the field of project finance and provides a statistical overview of the project-financed investments over the last five years. It consists of four sections. The first section defines project finance and contrasts it with other well-known... View Details
Esty, Benjamin C., and Irina L. Christov. "An Overview of Project Finance-2002 Update." Harvard Business School Supplement 202-105, April 2002. (Revised May 2003.)
- 08 Jun 2016
- News
Study: Airbnb hosts discriminate
- 23 Oct 2017
- News
Applications Open for Harvard Business Analytics Program
- October 2009 (Revised June 2010)
- Case
Hulu: An Evil Plot to Destroy the World?
By: Anita Elberse and Sunil Gupta
In July 2009, Jason Kilar, the chief executive officer of Hulu, is debating whether the online video aggregator should move away from a purely advertising-supported model, and whether it should participate in an industry-wide initiative to develop and test... View Details
Keywords: Advertising; Business Model; Television Entertainment; Distribution Channels; Service Operations; Internet and the Web; Media and Broadcasting Industry; Motion Pictures and Video Industry
Elberse, Anita, and Sunil Gupta. "Hulu: An Evil Plot to Destroy the World?" Harvard Business School Case 510-005, October 2009. (Revised June 2010.)
- 23 Sep 2017
- Working Paper Summaries
Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity at Scale
- 2022
- Article
Data Poisoning Attacks on Off-Policy Evaluation Methods
By: Elita Lobo, Harvineet Singh, Marek Petrik, Cynthia Rudin and Himabindu Lakkaraju
Off-policy Evaluation (OPE) methods are a crucial tool for evaluating policies in high-stakes domains such as healthcare, where exploration is often infeasible, unethical, or expensive. However, the extent to which such methods can be trusted under adversarial threats... View Details
Lobo, Elita, Harvineet Singh, Marek Petrik, Cynthia Rudin, and Himabindu Lakkaraju. "Data Poisoning Attacks on Off-Policy Evaluation Methods." Proceedings of the Conference on Uncertainty in Artificial Intelligence (UAI) 38th (2022): 1264–1274.
- Research Summary
Time-Varying Volatility Risk Premia
This paper provides evidence for the existence of time-varying volatility risk premia. In doing so, it examines the evolution of the implied volatility bias in the S&P 100 from 1986-2006. Additionally, the paper proves three new results regarding the limiting... View Details
- 05 Jun 2017
- News
5 Takeaways For The C-Suite From 2016's Vote Prediction Debacles
Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation.
Randomized experiments have become the standard method for companies to evaluate the performance of new products or services. In addition to augmenting managers' decision-making, experimentation mitigates risk by limiting the proportion of customers exposed to... View Details
- 2024
- Working Paper
What Is Newsworthy? Theory and Evidence
By: Luis Armona, Matthew Gentzkow, Emir Kamenica and Jesse M. Shapiro
We study newsworthiness in theory and practice. We focus on situations in which a news outlet observes the realization of a state of the world and must decide whether to report the realization to a consumer who pays an opportunity cost to consume the report. The... View Details
Armona, Luis, Matthew Gentzkow, Emir Kamenica, and Jesse M. Shapiro. "What Is Newsworthy? Theory and Evidence." NBER Working Paper Series, No. 32512, May 2024.
- 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... View Details
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.
- September 2017
- Article
Reexamining Staggered Boards and Shareholder Value
By: Charles C.Y. Wang and Alma Cohen
Cohen and Wang (2013) (CW2013) provide evidence consistent with market participants perceiving staggered boards to be value reducing. Amihud and Stoyanov (2016) (AS2016) contests these findings, reporting some specifications under which the results are not... View Details
Keywords: Staggered Boards; Takeover Defense; Antitakeover Provision; Firm Value; Delaware; Airgas; Governing and Advisory Boards; Corporate Governance; Value
Wang, Charles C.Y., and Alma Cohen. "Reexamining Staggered Boards and Shareholder Value." Journal of Financial Economics 125, no. 3 (September 2017): 637–647.
Rembrand M. Koning
Rem Koning is the Mary V. and Mark A. Stevens Associate Professor at Harvard Business School. He researches and teaches entrepreneurship, exploring the biases and frictions that shape how founders and markets learn. His current research explores... View Details