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Show Results For
- All HBS Web
(5,166)
- People (6)
- News (1,199)
- Research (3,446)
- Events (19)
- Multimedia (6)
- Faculty Publications (2,322)
- November 2016
- Case
QuintilesIMS: Biosimilar Marketing in England
By: John A. Quelch and Emily C. Boudreau
QuintilesIMS was a leading healthcare consulting firm best known for its data and information offerings as well as its market research and management consulting services for life science companies. By 2015, the company was expanding beyond the biopharmaceutical... View Details
Keywords: Health; Pharmaceutical Industry; Biotech; Marketing; Health Care and Treatment; Biotechnology Industry; England
Quelch, John A., and Emily C. Boudreau. "QuintilesIMS: Biosimilar Marketing in England." Harvard Business School Case 517-054, November 2016.
- Web
EMIS (Emerging Markets Information System) | Baker Library
EMIS (Emerging Markets Information System) Country and company information on Africa, Asia, Australia, Europe, and the Middle East. Read More Includes country profiles;... View Details
- 17 Jul 2017
- Working Paper Summaries
The Relevance of Broker Networks for Information Diffusion in the Stock Market
- Forthcoming
- Article
The Stock Market and Bank Risk-Taking
By: David S. Scharfstein and Antonio Falato
We argue that stock market pressure to generate earnings encourages banks to increase risk. We measure risk using confidential supervisory ratings as well as financial information released in regulatory filings. We document that there is an increase in the risk-taking... View Details
- 2025
- Working Paper
Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha
By: Mark Bradshaw, Chenyang Ma, Benjamin Yost and Yuan Zou
We study the use of generative AI for firm-specific financial analysis on the Seeking Alpha platform. We find that, after the initial launch of ChatGPT in November 2022, the share of AI-generated articles rose sharply to 13.4% of all articles, then declined in late... View Details
Keywords: Generative Ai; Seeking Alpha; Equity Research; Large Language Models; Gpt; AI and Machine Learning; Information Publishing; Financial Markets
Bradshaw, Mark, Chenyang Ma, Benjamin Yost, and Yuan Zou. "Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha." Harvard Business School Working Paper, No. 25-055, April 2025.
- Research Summary
The Impact of Strategic and Tactical Market Information
with Arieh Goldman and Nukhet Haramncioglu View Details
- 1977
- Chapter
On the Economics of Information with Incomplete Markets
By: Jerry R. Green
"On the Economics of Information with Incomplete Markets." In Systèmes dynamiques et modèles économiques. Vol. 259, edited by Gérard Fuchs and Bertrand Munier. Colloques internationaux du Centre national de la recherche scientifique. Éditions du Centre national de la recherche scientifique, 1977, French ed.
- July 2019
- Article
Market Reaction to Mandatory Nonfinancial Disclosure
By: Jody Grewal, Edward J. Riedl and George Serafeim
We examine the equity market reaction to events associated with the passage of a directive in the European Union (EU) mandating increased nonfinancial disclosure. These disclosures relate to firms’ environmental, social, and governance (ESG) performance and would be... View Details
Keywords: Nonfinancial Information; Nonfinancial Performance; ESG; ESG (Environmental, Social, Governance) Performance; Investor Behavior; Disclosure; Disclosure Regulation; Regulation; Sustainability; Corporate Performance; Information; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Performance; Environmental Sustainability; Corporate Governance; Outcome or Result
Grewal, Jody, Edward J. Riedl, and George Serafeim. "Market Reaction to Mandatory Nonfinancial Disclosure." Management Science 65, no. 7 (July 2019): 3061–3084.
- February 2024
- Module Note
Data-Driven Marketing in Retail Markets
By: Ayelet Israeli
This note describes an eight-class sessions module on data-driven marketing in retail markets. The module aims to familiarize students with core concepts of data-driven marketing in retail, including exploring the opportunities and challenges, adopting best practices,... View Details
Keywords: Data; Data Analytics; Retail; Retail Analytics; Data Science; Business Analytics; ＂Marketing Analytics＂; Omnichannel; Omnichannel Retailing; Omnichannel Retail; DTC; Direct To Consumer Marketing; Ethical Decision Making; Algorithmic Bias; Privacy; A/B Testing; Descriptive Analytics; Prescriptive Analytics; Predictive Analytics; Analytics and Data Science; E-commerce; Marketing Channels; Demand and Consumers; Marketing Strategy; Retail Industry
Israeli, Ayelet. "Data-Driven Marketing in Retail Markets." Harvard Business School Module Note 524-062, February 2024.
- November 2019
- Article
The Relevance of Broker Networks for Information Diffusion in the Stock Market
By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla
This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then... View Details
Keywords: Broker Networks; Institutional Investors; Asset Prices; Business and Shareholder Relations; Institutional Investing; Information; Knowledge Dissemination; Financial Markets; Asset Pricing
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 (November 2019): 419–446.
- June 2005 (Revised October 2007)
- Background Note
Market Efficiency
By: Joshua D. Coval, Erik Stafford, Rodrigo Osmo, John Jernigan, Zachary Page and Paul Passoni
Covers how prices react to information, the incentives for bringing information into prices, and the paradox of market efficiency in equilibrium--for investors to work hard keeping markets efficient, they must always be somewhat inefficient at the margin. Uses separate... View Details
The Relevance of Broker Networks for Information Diffusion in the Stock Market
This paper shows that the network of relationships between brokers and institutional investors shapes the information diffusion in the stock market. We exploit trade-level data to show that trades channeled through central brokers earn significantly positive... View Details
- March 1997
- Background Note
Asymmetric Information: Market Failures, Market Distortions, and Market Solutions
Presents a conceptual framework for thinking about markets characterized by asymmetric information. Presents the standard economic analysis of "the lemons problem," and demonstrates how asymmetric information may lead to market inefficiencies and alter the distribution... View Details
Keywords: Competitive Strategy
Corts, Kenneth S. "Asymmetric Information: Market Failures, Market Distortions, and Market Solutions." Harvard Business School Background Note 797-100, March 1997.
- June 2025
- Article
Passive Ownership and Price Informativeness
By: Marco Sammon
I show that passive ownership negatively affects the degree to which stock prices anticipate earnings announcements. Estimates across several research designs imply that the rise in passive ownership over the last 30 years has caused the amount of information... View Details
Keywords: Passive Ownership; ETFs; Market Efficiency; Price; Investment Funds; Stocks; Communication
Sammon, Marco. "Passive Ownership and Price Informativeness." Management Science 71, no. 6 (June 2025): 4582–4598.
- September 2017
- Teaching Note
Marketing Transformation at Mastercard
By: Sunil Gupta and Srinivas K. Reddy
Teaching Note for HBS No. 517-040. View Details
- 2024
- Working Paper
What Triggers National Stock Market Jumps?
By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon
We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details
Keywords: Uncertainty; Policy Uncertainty; Stock Market; Financial Markets; Volatility; Risk and Uncertainty; Policy; Newspapers
Baker, Scott R., Nicholas Bloom, Steven J. Davis, and Marco Sammon. "What Triggers National Stock Market Jumps?" Working Paper, December 2024.
- September 2019
- Supplement
Keroche (B): Considering Entry into the Kenyan Beer Market
By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
This case discusses the situation of the Kenyan alcoholic drinks producer Keroche in July 2004, when co-founder Tabitha Karanja was debating whether to enter the Kenyan beer market. Doing so would mean direct competition with the multinational EABL in an industry and... View Details
Keywords: Keroche; Alcohol; Alcoholic Drinks; Alcoholic Beverages; Beverages; Drinks; Wine Industry; Wine; Fortified Wine; Viena; Beer; Beer Market; Manufacturing; Production Capacity; Capacity; Growth; Regulated; Unregulated; Informal; Informal Market; Regulation; Illicit; Illegal; Substandard; Dangerous; Shutdown; Factory; Safe; Affordable; Low-income Consumers; Business Growth and Maturation; Business Startups; Production; Investment; Safety; Quality; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Marketing; Manufacturing Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (B): Considering Entry into the Kenyan Beer Market." Harvard Business School Supplement 720-391, September 2019.
- 2020
- Working Paper
The Effects of Information on Credit Market Competition: Evidence from Credit Cards
By: C. Fritz Foley, Agustin Hurtado, Andres Liberman and Alberto Sepulveda
We show empirically that public credit information increases competition in credit markets. We access data that cover all credit card borrowers in Chile and include details about relationship borrowers have with each lender. We exploit a natural experiment whereby a... View Details
Keywords: Consumer Credit; Financial Intermediaries; Credit; Information; Competition; Credit Cards; Financial Institutions
Foley, C. Fritz, Agustin Hurtado, Andres Liberman, and Alberto Sepulveda. "The Effects of Information on Credit Market Competition: Evidence from Credit Cards." Working Paper, February 2020.
- Research Summary
The Role of Financial and Information Intermediaries in the Capital Markets
Hutton's research investigates the role of financial analysts and short sellers in the pricing of equity securities. Recently, Hutton examines (with Patricia Dechow and Richard Sloan) the role of sell-side analysts' earnings forecasts in the pricing of common equity... View Details
- 1980
- Article
The Usefulness of Marketing Information in Decision Making: An Empirical Study of Market Research Projects
By: Rohit Deshpandé
Deshpandé, Rohit. "The Usefulness of Marketing Information in Decision Making: An Empirical Study of Market Research Projects." Proceedings of the Annual Meeting of the Southern Marketing Association (1980): 482–485.