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Show Results For
- All HBS Web
(3,838)
- People (4)
- News (724)
- Research (2,494)
- Events (22)
- Multimedia (40)
- Faculty Publications (1,555)
- February 2023
- Article
Climate Solutions Investments
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details
Keywords: Decarbonization; Climate Finance; Climate Impact; Climate Risk; Environment; Sustainability; Carbon Emissions; Electric Vehicles; Energy; Renewables; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability; Emerging Markets; Investment Portfolio
Cheema-Fox, Alex, George Serafeim, and Hui (Stacie) Wang. "Climate Solutions Investments." Journal of Portfolio Management 49, no. 3 (February 2023): 72–96.
- 31 Jan 2013
- Working Paper Summaries
Boardroom Centrality and Firm Performance
- October 2018 (Revised September 2022)
- Case
Stock-Based Compensation at Twitter
By: Jonas Heese, Zeya Yang and Mike Young
Olivia Nash, an analyst at leading hedge fund BlueShark Capital Management, had just finished listening to the hour-long earnings call for Twitter’s Q4 2017 results. Was Twitter doing well? That depended on which numbers she chose to believe. According to Generally... View Details
Keywords: Twitter; Non-GAAP Disclosure; Stock-based Compensation; Earnings Management; Corporate Disclosure; Compensation and Benefits; Stocks; Measurement and Metrics
Heese, Jonas, Zeya Yang, and Mike Young. "Stock-Based Compensation at Twitter." Harvard Business School Case 119-032, October 2018. (Revised September 2022.)
- November 2017 (Revised August 2018)
- Case
Fair Value Accounting at Noble Group (A)
By: Siko Sikochi, Suraj Srinivasan and Quinn Pitcher
Noble Group was a large commodities trader based in Hong Kong and listed on the Singapore Stock Exchange. In 2012, Noble shifted its business strategy towards an asset-light model. Under this model, Noble did not own mines or farms to produce commodities but built... View Details
Sikochi, Siko, Suraj Srinivasan, and Quinn Pitcher. "Fair Value Accounting at Noble Group (A)." Harvard Business School Case 118-034, November 2017. (Revised August 2018.)
- Article
The Cross Section of Expected Holding Period Returns and Their Dynamics: A Present Value Approach
By: Matthew R. Lyle and Charles C.Y. Wang
We provide a tractable model of firm-level expected holding period returns using two firm fundamentals—book-to-market ratio and ROE—and study the cross-sectional properties of the model-implied expected returns. We find that 1) firm-level expected returns and expected... View Details
Keywords: Expected Returns; Discount Rates; Holding Period Returns; Fundamental Valuation; Present Value; Valuation; Investment Return
Lyle, Matthew R., and Charles C.Y. Wang. "The Cross Section of Expected Holding Period Returns and Their Dynamics: A Present Value Approach." Journal of Financial Economics 116, no. 3 (June 2015): 505–525.
What Makes a Successful Celebrity Brand?
Celebrity endorsements of existing brands have been a part of marketing strategy for decades. But in a world where celebrities have built enormous social media followings and have become effective influencers, many stars are making a pivot: Instead of endorsing or... View Details
Buffett's Bid for Media General's Newspapers
On May 12, 2012, Warren Buffett’s Berkshire Hathaway announced an offer to buy Media General’s (MEG) newspaper division for $142 million in cash and, under a separate agreement, provide debt financing to the struggling firm. Reactions from investors and industry... View Details
- Web
Business, Government & the International Economy - Faculty & Research
alignment, using which we establish several empirical facts: (i) rhetorical alignment is prevalent but not universal; (ii) it has increased significantly over time; (iii) it is more pronounced in state-owned and strategic sectors; and (iv) it is negatively correlated... View Details
- June 2011
- Article
Segmenting the Base of the Pyramid
By: V. Kasturi Rangan, Michael Chu and Djorjiji Petkoski
The bottom of the economic pyramid is a risky place for business, but decent profits can be made there if companies link their financial success with their constituencies' well-being. To do that effectively, you must understand the nuances of people's daily lives, say... View Details
Keywords: International Finance; Risk and Uncertainty; Value Creation; Human Needs; Income; Poverty; Profit; Relationships; Economics; Segmentation
Rangan, V. Kasturi, Michael Chu, and Djorjiji Petkoski. "Segmenting the Base of the Pyramid." Harvard Business Review 89, no. 6 (June 2011).
- 02 Sep 2015
- What Do You Think?
What's Wrong With Amazon’s Low-Retention HR Strategy?
service for customers and long-term profits to patient investors but disappointment for some people who have gone to work there. (In parlance that my co-authors and I used in a recent book that discusses Amazon, it still falls short of... View Details
- May 2011
- Article
Consequences and Institutional Determinants of Unregulated Corporate Financial Statements: Evidence from Embedded Value Reporting
By: George Serafeim
I analyze Embedded Value (EV) reporting by firms with life insurance operations to assess the impact of unregulated financial reporting on transparency and to examine the institutional characteristics that promote unregulated reporting. Under EV accounting the present... View Details
Keywords: Financial Statements; Mergers and Acquisitions; Financial Reporting; Cash Flow; Contracts; Equity; Profit; Value; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Business and Shareholder Relations; Business Earnings
Serafeim, George. "Consequences and Institutional Determinants of Unregulated Corporate Financial Statements: Evidence from Embedded Value Reporting." Journal of Accounting Research 49, no. 2 (May 2011).
- Web
Asia Pacific - Global
and (iv) it is negatively correlated with profitability and positively correlated with performance on political and social objectives. Exploiting two natural experiments, we further show that (v) rhetorically aligned firms experience... View Details
- Web
Behavioral Finance & Financial Stability
data, the authors focus on large portfolio liquidations that result in temporary price drops and identify the brokers who intermediate these trades. They find that the predation leads to profits of brokers’ clients of about 25 basis... View Details
- 28 Jun 2007
- Working Paper Summaries
Alignment in Cross-Functional and Cross-Firm Supply Chain Planning
Keywords: by Santiago Kraiselburd & Noel Watson
- September 2023 (Revised January 2024)
- Case
Icahn Enterprises: Ponzi Scheme or Sound Investment
By: Aiyesha Dey, Jonas Heese and James Weber
Icahn Enterprises, a publicly traded limited partnership founded and operated by famed activist investor Carl Icahn, had earned above market returns for over a decade. Between 2018 and early 2023, it had a compound annual return of 31%. Icahn invested in undervalued... View Details
Dey, Aiyesha, Jonas Heese, and James Weber. "Icahn Enterprises: Ponzi Scheme or Sound Investment." Harvard Business School Case 124-013, September 2023. (Revised January 2024.)
- 2022
- Working Paper
Responding Strategically to Competitors' Failures: Evidence from Medical Device Recalls & New Product Submissions
By: George P. Ball, Jeffrey T. Macher and Ariel Dora Stern
Medical device firms operate at the frontiers of innovation. When functioning properly, innovative medical devices can prolong and improve lives; when malfunctioning, the same devices may harm patients and lead to product recalls. Product recalls create significant... View Details
Keywords: New Product Development; Recalls; Product Failures; Medical Devices; FDA; Health Care; Product Development; Product; Failure; Competition; Opportunities; Medical Devices and Supplies Industry
Ball, George P., Jeffrey T. Macher, and Ariel Dora Stern. "Responding Strategically to Competitors' Failures: Evidence from Medical Device Recalls & New Product Submissions." Harvard Business School Working Paper, No. 19-028, September 2018. (Revised March 2022.)
- 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.
- September 2014 (Revised March 2021)
- Case
La Ribera Health Department (A)
By: Regina E. Herzlinger, Emer Moloney and Daniela Beyersdorfer
The La Ribera case studies depict an innovative low cost/high quality privately financed hospital model struggling to achieve alignment with the Six Factors. It is reimbursed by the public sector in a Spanish environment whose Consumers, Structure, and Public Policy... View Details
Keywords: Health Care; Health Care Financing; Health Care Industry; Health Care Operations; Health Care and Treatment; Operations; Business Model; Government and Politics; Programs; Innovation Strategy; Vertical Integration; Health Industry; Europe; Spain
Herzlinger, Regina E., Emer Moloney, and Daniela Beyersdorfer. "La Ribera Health Department (A)." Harvard Business School Case 315-006, September 2014. (Revised March 2021.)
- 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.