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- All HBS Web (109)
- Faculty Publications (46)
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- November 2016
- Article
Corporate Sustainability: First Evidence on Materiality
By: Mozaffar Khan, George Serafeim and Aaron Yoon
Using newly available materiality classifications of sustainability topics, we develop a novel dataset by hand-mapping sustainability investments classified as material for each industry into firm-specific sustainability ratings. This allows us to present new evidence... View Details
Keywords: Sustainability; Investments; Corporate Social Responsibility; Accounting; Corporate Reporting; Regulation; Corporate Social Responsibility and Impact; Integrated Corporate Reporting; Investment; Corporate Governance
Khan, Mozaffar, George Serafeim, and Aaron Yoon. "Corporate Sustainability: First Evidence on Materiality." Accounting Review 91, no. 6 (November 2016): 1697–1724.
- 2023
- Report
The 2023 India Cluster Panorama
By: Christian Ketels, Amit Kapoor, Bibek Debroy and Subhanshi Negi
The India Cluster Panorama 2023 provides unique new insights into the cluster structure
of the Indian economy. It leverages powerful data from the Periodic Labour Force Survey
(PLFS), which has comprehensive coverage of the Indian labour force and granular data... View Details
Ketels, Christian, Amit Kapoor, Bibek Debroy, and Subhanshi Negi. "The 2023 India Cluster Panorama." Report, Institute for Competitiveness, India, August 2023.
- March 2022 (Revised January 2025)
- Technical Note
Prediction & Machine Learning
By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton
This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional... View Details
Keywords: Machine Learning; Data Science; Learning; Analytics and Data Science; Performance Evaluation; AI and Machine Learning
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Prediction & Machine Learning." Harvard Business School Technical Note 622-101, March 2022. (Revised January 2025.)
- May 2021 (Revised July 2021)
- Case
Coats: Supply Chain Challenges
By: Willy C. Shih and Adina Wong
Coats, the largest thread maker in the world, transformed its business to digital colour measurement so that it could respond better to customer demand in the garment industry for rapid product cycles and more fragmented colour choices. Its embrace of digital colour... View Details
Keywords: Inventory Management; Supply Chains; Digital; Operations; Supply Chain Management; Apparel and Accessories Industry; Asia
Shih, Willy C., and Adina Wong. "Coats: Supply Chain Challenges." Harvard Business School Case 621-115, May 2021. (Revised July 2021.)
- August 2009
- Article
Rewriting History
By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston
We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details
Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry
Ljungqvist, Alexander, Christopher J. Malloy, and Felicia Marston. "Rewriting History." Journal of Finance 64, no. 4 (August 2009): 1935–1960.
- 2008
- Working Paper
Rewriting History
By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston
We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details
- 2014
- Working Paper
Visualizing and Measuring Software Portfolio Architectures: A Flexibility Analysis
By: Robert Lagerstrom, Carliss Y. Baldwin, Alan MacCormack and David Dreyfus
In this paper, we test a method for visualizing and measuring software portfolio architectures and use our measures to predict the costs of architectural change. Our data is drawn from a biopharmaceutical company, comprising 407 architectural components with 1,157... View Details
Keywords: Design Structure Matrices; Software Architecture; Flexibility; Software Application Portfolio; Complexity; Applications and Software; Forecasting and Prediction
Lagerstrom, Robert, Carliss Y. Baldwin, Alan MacCormack, and David Dreyfus. "Visualizing and Measuring Software Portfolio Architectures: A Flexibility Analysis." Harvard Business School Working Paper, No. 14-083, March 2014.
- August 2021 (Revised November 2023)
- Supplement
Coats: Supply Chain Challenges
By: Willy C. Shih
Coats, the largest thread maker in the world, transformed its business to digital colour measurement so that it could respond better to customer demand in the garment industry for rapid product cycles and more fragmented colour choices. Its embrace of digital colour... View Details
- 2023
- Working Paper
Auditing Predictive Models for Intersectional Biases
By: Kate S. Boxer, Edward McFowland III and Daniel B. Neill
Predictive models that satisfy group fairness criteria in aggregate for members of a protected class, but do not guarantee subgroup fairness, could produce biased predictions for individuals at the intersection of two or more protected classes. To address this risk, we... View Details
Boxer, Kate S., Edward McFowland III, and Daniel B. Neill. "Auditing Predictive Models for Intersectional Biases." Working Paper, June 2023.
- February 2018 (Revised June 2021)
- Case
New Constructs: Disrupting Fundamental Analysis with Robo-Analysts
By: Charles C.Y. Wang and Kyle Thomas
This case highlights the business challenges associated with a financial technology firm, New Constructs, that created a technology that can quickly parse complicated public firm financials to paint a clearer economic picture of firms, remove accounting distortions,... View Details
Keywords: Fundamental Analysis; Machine Learning; Robo-analysts; Financial Statements; Financial Reporting; Analysis; Information Technology; Accounting Industry; Financial Services Industry; Information Technology Industry; North America; Tennessee
Wang, Charles C.Y., and Kyle Thomas. "New Constructs: Disrupting Fundamental Analysis with Robo-Analysts." Harvard Business School Case 118-068, February 2018. (Revised June 2021.)
- August 2021
- Supplement
Coats: Supply Chain Challenges: Spreadsheet Supplement
By: Willy C. Shih
Coats, the largest thread maker in the world, transformed its business to digital colour measurement so that it could respond better to customer demand in the garment industry for rapid product cycles and more fragmented colour choices. Its embrace of digital colour... View Details
- February 2023
- Supplement
Coats Dyehouse Management
By: Willy C. Shih
Coats, the largest thread maker in the world, transformed its business to digital colour measurement so that it could respond better to customer demand in the garment industry for rapid product cycles and more fragmented colour choices. Its embrace of digital colour... View Details
Keywords: Inventory Management; Supply Chain; Inventory; Supply Chain Management; Operations; Apparel and Accessories Industry; Asia
Shih, Willy C. "Coats Dyehouse Management." Harvard Business School Multimedia/Video Supplement 622-703, February 2023.
- May 2012
- Article
Complicated Firms
By: Lauren Cohen and Dong Lou
We exploit a novel setting in which the same piece of information affects two sets of firms: one set of firms requires straightforward processing to update prices, while the other set requires more complicated analyses to incorporate the same piece of information into... View Details
Keywords: Investment Portfolio; Information; Price; Forecasting and Prediction; Complexity; Mathematical Methods
Cohen, Lauren, and Dong Lou. "Complicated Firms." Journal of Financial Economics 104, no. 2 (May 2012). (Winner of Istanbul Stock Exchange 25th Anniversary Best Paper Competition. First Prize presented by Istanbul Stock Exchange. Winner of Center for Research in Security Prices Forum. Best Paper Prize presented by University of Chicago Booth School of Business. Winner of Paul Woolley Centre for the Study of Capital Market Dysfunctionality. Academic Grant presented by Paul Woolley Centre for the Study of Capital Market Dysfunctionality. Winner of Crowell Memorial Prize For the best paper on quantitative investing presented by PanAgora Asset Management, Inc.)
- 10 Oct 2013
- Working Paper Summaries
Managing Churn to Maximize Profits
- March–April 2023
- Article
Pricing for Heterogeneous Products: Analytics for Ticket Reselling
By: Michael Alley, Max Biggs, Rim Hariss, Charles Herrmann, Michael Lingzhi Li and Georgia Perakis
Problem definition: We present a data-driven study of the secondary ticket market. In particular, we are primarily concerned with accurately estimating price sensitivity for listed tickets. In this setting, there are many issues including endogeneity, heterogeneity in... View Details
Keywords: Price; Demand and Consumers; AI and Machine Learning; Investment Return; Entertainment and Recreation Industry; Sports Industry
Alley, Michael, Max Biggs, Rim Hariss, Charles Herrmann, Michael Lingzhi Li, and Georgia Perakis. "Pricing for Heterogeneous Products: Analytics for Ticket Reselling." Manufacturing & Service Operations Management 25, no. 2 (March–April 2023): 409–426.
- January 2025
- Technical Note
AI vs Human: Analyzing Acceptable Error Rates Using the Confusion Matrix
By: Tsedal Neeley and Tim Englehart
This technical note introduces the confusion matrix as a foundational tool in artificial intelligence (AI) and large language models (LLMs) for assessing the performance of classification models, focusing on their reliability for decision-making. A confusion matrix... View Details
Keywords: Reliability; Confusion Matrix; AI and Machine Learning; Decision Making; Measurement and Metrics; Performance
Neeley, Tsedal, and Tim Englehart. "AI vs Human: Analyzing Acceptable Error Rates Using the Confusion Matrix." Harvard Business School Technical Note 425-049, January 2025.
- 2024
- Working Paper
The Value of AI Innovations
By: Wilbur Xinyuan Chen, Terrence Tianshuo Shi and Suraj Srinivasan
We study the value of AI innovations as it diffuses across general and application sectors, using the United States Patent and Trademark Office’s (USPTO) AI patent dataset. Investors value these innovations more than others, as AI patents exhibit a 9% value premium,... View Details
Keywords: AI and Machine Learning; Valuation; Technological Innovation; Open Source Distribution; Patents; Policy; Knowledge Sharing; Technology Industry
Chen, Wilbur Xinyuan, Terrence Tianshuo Shi, and Suraj Srinivasan. "The Value of AI Innovations." Harvard Business School Working Paper, No. 24-069, May 2024.
- January 2015 (Revised August 2016)
- Case
Chateau Pontet-Canet
By: Daniel Malter
This case discusses the situation of Chateau Pontet-Canet in early 2000. Alfred Tesseron was the director and son of the owner of Chateau Pontet-Canet, a red wine producing estate in Pauillac (Bordeaux, France) and member of the fifth class of the ancient grand cru... View Details
Keywords: Plant-Based Agribusiness; Alignment; Strategy; Competition; Food and Beverage Industry; France
Malter, Daniel. "Chateau Pontet-Canet." Harvard Business School Case 715-442, January 2015. (Revised August 2016.)
- Article
The Impact of Project Portfolio Management on Information Technology Projects
By: Bert De Reyck, Yael Grushka-Cockayne, Martin Lockett, Sergio Ricardo Calderini, Marcio Moura and Andrew Sloper
The ever-increasing penetration of projects as a way to organise work in many organisations necessitates effective management of multiple projects. This has resulted in a greater interest in the processes of project portfolio management (PPM), with more and more... View Details
Keywords: Project Portfolio Management; Information Technology; Projects; Management Practices and Processes; Performance Improvement
De Reyck, Bert, Yael Grushka-Cockayne, Martin Lockett, Sergio Ricardo Calderini, Marcio Moura, and Andrew Sloper. "The Impact of Project Portfolio Management on Information Technology Projects." International Journal of Project Management 23, no. 7 (October 2005): 524–537.
- January 2001
- Background Note
Country Analysis in a "Global Village"
By: Bruce R. Scott
Substantially rewritten to establish the relevance of countries in the global context. It does so in terms of their differing economic performance in recent decades, and also by contrasting those that have "converged" toward the rich country norm (as theory would... View Details
Keywords: Globalized Economies and Regions; Macroeconomics; Trade; Business Strategy; Performance Evaluation; Industry Growth; Currency; Policy; Development Economics
Scott, Bruce R. Country Analysis in a "Global Village". Harvard Business School Background Note 701-074, January 2001.