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Show Results For
- All HBS Web
(1,132)
- People (1)
- News (177)
- Research (619)
- Events (18)
- Multimedia (5)
- Faculty Publications (376)
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- June 2014 (Revised July 2014)
- Background Note
An Overview of Project Finance and Infrastructure Finance—2014 Update
By: Benjamin C. Esty, Carla Chavich and Aldo Sesia
Provides an introduction to the fields of project finance and infrastructure finance, and gives a statistical overview of project-financed investments over the years from 2009 to 2013. Examples of project-financed investments include the Kashagan oil field development... View Details
Keywords: Globalization; Capital Expenditures; International Finance; Data; Financial History; Economic Development; Corporate Governance; Contracts; Industry Analysis; Banking; Capital Investments; Municipal Finance; Project Finance; Infrastructure; Investment; Projects; Trends
Esty, Benjamin C., Carla Chavich, and Aldo Sesia. "An Overview of Project Finance and Infrastructure Finance—2014 Update." Harvard Business School Background Note 214-083, June 2014. (Revised July 2014.)
- 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
- June 2005
- Case
Billy Beane: Changing the Game
Describes how Billy Beane, general manager of the Oakland A's baseball team, employs statistical methodologies to select who is undervalued in the marketplace. Examines why few teams have imitated his organization's successful strategy. Explores threats to Oakland's... View Details
Roberto, Michael. "Billy Beane: Changing the Game." Harvard Business School Case 305-120, June 2005.
- March 1993
- Supplement
Burroughs Wellcome and AZT (C)
Describes key developments relating to Burroughs Wellcome, AZT and other AIDS drugs, and the AIDS issue in general from late 1989 through 1992. Includes excerpts from Wellcome PLC's financial statements and updated statistics on AIDS in the United States. View Details
Keywords: Health Pandemics; Multinational Firms and Management; Financial Statements; Pharmaceutical Industry; United States
Emmons, Willis M., III. "Burroughs Wellcome and AZT (C)." Harvard Business School Supplement 793-115, March 1993.
- 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
- 23 Sep 2017
- Working Paper Summaries
Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity at Scale
- January 2021
- Case
The FIRE Savings Calculator
By: Michael Parzen and Paul Hamilton
This case follows Carol Muñoz, a member of the Financial Independence, Retire Early (FIRE) lifestyle movement. At the age of 45, Carol is considering retiring and living off the $1 million she has accumulated. Using Monte Carlo simulation, Carol forecasts the... View Details
- Spring 2016
- Article
The Billion Prices Project: Using Online Prices for Inflation Measurement and Research
By: Alberto Cavallo and Roberto Rigobon
New data-gathering techniques, often referred to as “Big Data” have the potential to improve statistics and empirical research in economics. In this paper we describe our work with online data at the Billion Prices Project at MIT and discuss key lessons for both... View Details
Keywords: Billion Prices Project; Online Scraped Data; Online Price Index; Economics; Research; Price; Analytics and Data Science
Cavallo, Alberto, and Roberto Rigobon. "The Billion Prices Project: Using Online Prices for Inflation Measurement and Research." Journal of Economic Perspectives 30, no. 2 (Spring 2016): 151–178.
- 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.
- 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.)
- December 1999 (Revised January 2002)
- Background Note
Overview of the Project Finance Market, An
By: Benjamin C. Esty, Suzanne I. Harris and Kathleen G. Krueger
This case introduces the field of project finance and supplies a statistical overview of the project finance market as of the mid=to late 1990s. It consists of four sections. The first section defines project finance and contrasts it with other well-known forms of... View Details
Esty, Benjamin C., Suzanne I. Harris, and Kathleen G. Krueger. "Overview of the Project Finance Market, An." Harvard Business School Background Note 200-028, December 1999. (Revised January 2002.)
- December 2002
- Background Note
Simulation of Prices, Rates and Cash Flows (A)
Explicitly considers the most common propagation models for financial variables and explains how to determine the statistical properties of these variables and simulate their future values. Covers arithmetic Brownian motion, geometric Brownian motion, mean-reversion,... View Details
Shimko, David C. "Simulation of Prices, Rates and Cash Flows (A)." Harvard Business School Background Note 203-056, December 2002.
- 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.
- 2023
- Working Paper
Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation
By: Dae Woong Ham, Michael Lindon, Martin Tingley and Iavor Bojinov
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
Keywords: Performance Evaluation; Research and Development; Analytics and Data Science; Consumer Behavior
Ham, Dae Woong, Michael Lindon, Martin Tingley, and Iavor Bojinov. "Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation." Harvard Business School Working Paper, No. 23-070, May 2023.
- October–December 2022
- Article
How Psychological Safety and Feeling Heard Relate to Burnout and Adaptation Amid Uncertainty
By: Michaela J. Kerrissey, Tuna Cem Hayirli, Aditi Bhanja, Nicholas Stark, James Hardy and Christopher Peabody
Background: Psychological safety—the belief that it is safe to speak up—is vital amid uncertainty, but its relationship to feeling heard is not well understood.
Purpose: The aims of this study were (a) to measure feeling heard and (b) to assess... View Details
Purpose: The aims of this study were (a) to measure feeling heard and (b) to assess... View Details
Keywords: Burnout; Crisis; Psychological Safety; Feeling Heard; Process Adaptation; Interpersonal Communication; Well-being; Health Care and Treatment; Adaptation
Kerrissey, Michaela J., Tuna Cem Hayirli, Aditi Bhanja, Nicholas Stark, James Hardy, and Christopher Peabody. "How Psychological Safety and Feeling Heard Relate to Burnout and Adaptation Amid Uncertainty." Health Care Management Review 47, no. 4 (October–December 2022): 308–316.
- 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.)
- Winter 2014
- Article
Retail Inventory: Managing the Canary in the Coal Mine!
By: Vishal Gaur, Saravanan Kesavan and Ananth Raman
Retail inventory is a statistic that is closely watched by retailers as well as their investors, lenders, and suppliers. Retailers not only benefit from inventory, but also bear the cost of excess inventory. Investors, lenders, and suppliers interpret this statistic... View Details
Gaur, Vishal, Saravanan Kesavan, and Ananth Raman. "Retail Inventory: Managing the Canary in the Coal Mine!" California Management Review 56, no. 2 (Winter 2014): 55–76.
- 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.