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  • March 2010
  • Article

Information Content of Insider Trades before and after the Sarbanes-Oxley Act

By: Francois Brochet
This paper examines the information content of Form 4 filings under the more timely disclosure regime introduced by Section 403 of the Sarbanes-Oxley Act of 2002 (SOX). Abnormal returns and trading volumes around filings of insider stock purchases are significantly... View Details
Keywords: Stocks; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Government Legislation; Lawsuits and Litigation; Market Transactions; Volume; Sales
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  • January 2024
  • Article

Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger

By: Chiara Farronato, Jessica Fong and Andrey Fradkin
Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We... View Details
Keywords: Platform Differentiation; Digital Platforms; Network Effects; Measurement and Metrics; Mergers and Acquisitions; Outcome or Result
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  • 2010
  • Article

Measuring the Perpetrators and Funders of Typosquatting

By: Tyler Moore and Benjamin Edelman
We describe a method for identifying "typosquatting", the intentional registration of misspellings of popular website addresses. We estimate that at least 938,000 typosquatting domains target the top 3,264 .com sites, and we crawl more than 285,000 of these domains to... View Details
Keywords: Measurement and Metrics; Online Technology; Web
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  • March 2012 (Revised April 2013)
  • Case

Schön Klinik: Eating Disorder Care

By: Michael E. Porter, Emma Stanton, Jessica A. Hohman and Caleb Stowell
The Schön Klinik is a private, for-profit German hospital group trying to establish itself as a premium health care provider in a competitive German market. The case details Schön Klinik's founding, its early focus on measurement and improvement, and the design and... View Details
Keywords: Health Care Quality; Outcomes; Quality Improvement; Strategy And Performance Measurement; Integration; Measurement and Metrics; Competition; Health Disorders; Health Care and Treatment; Outcome or Result; Performance Evaluation; Business Processes; Health Industry; Germany
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  • 2020
  • Working Paper

Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger

By: Chiara Farronato, Jessica Fong and Andrey Fradkin
Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We... View Details
Keywords: Platform Differentiation; Digital Platforms; Network Effects; Measurement and Metrics; Mergers and Acquisitions; Outcome or Result
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  • Web

Topics - HBS Working Knowledge

(19) Annual Reports (2) Annuities (1) Arts (2) Asset Management (3) Asset Pricing (4) Assets (11) Attitudes (18) Auctions (4) Balanced Scorecard (11) Banks and Banking (30) Behavioral Finance (7) Behavior (75) Bids and Bidding (1) Bonds... View Details
  • 2018
  • Working Paper

Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
We demonstrate that data from digital platforms such as Yelp have the potential to improve our understanding of gentrification, both by providing data in close to real time (i.e., nowcasting and forecasting) and by providing additional context about how the local... View Details
Keywords: Geographic Location; Local Range; Transition; Analytics and Data Science; Measurement and Metrics; Forecasting and Prediction
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  • 08 Aug 2005
  • Research & Ideas

A Balanced Scorecard Approach To Measure Customer Profitability

When the customer says "jump," they ask "how high?" They offer additional product features and services to their customers, but fail to receive prices that cover the costs for these additional features and services.... View Details
Keywords: by Robert S. Kaplan
  • 03 Jul 2018
  • First Look

New Research and Ideas, July 3, 2018

But while corporate political actions such as lobbying can have a greater impact on environmental quality, they are ignored in most current sustainability metrics. It is time for these metrics to be expanded to critically assess firms... View Details
Keywords: Dina Gerdeman
  • 24 Apr 2017
  • Op-Ed

Op-Ed: Courage: The Defining Characteristic of Great Leaders

decisions because they fear failure. I know, because it happened to me. In my first year as CEO of Medtronic, I passed up the opportunity to buy a rapidly growing angioplasty company because it faced patent and pricing risks. While those... View Details
Keywords: by Bill George; Auto; Food & Beverage
  • 2007
  • Book

An Experiment in Fair Value Accounting? The State of the Art in Research and Thought Leadership on Accounting for Life Assurance in the UK and Continental Europe

By: Joanne G Horton, Richard H. Macve and George Serafeim
"Fair value" is currently the central topic of debate in the development of accounting standards. While it has now been defined to mean an exit price in US GAAP, the IASB is still considering its own definition, and some commentators are arguing for versions of entry... View Details
Keywords: Transition; Financial Instruments; Framework; Market Entry and Exit; Insurance; Revenue Recognition; Fair Value Accounting; Standards; United Kingdom
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  • Web

Business Fundamentals Course - CORe | HBS Online

business decisions Implement analytical techniques in Excel Develop effective pricing strategies Identify sources of competitive advantage through differentiation Evaluate the financial health of a business using financial statements... View Details
  • 13 Jan 2023
  • Research & Ideas

Are Companies Actually Greener—or Are They All Talk?

Most companies now account for social good in their financial reports in some way, but with regulation scattershot and evolving, it’s complicated for investors to assess so-called ESG reports. The disclosures, known as Environmental, Social, and Governance reports,... View Details
Keywords: by Rachel Layne
  • 14 Apr 2015
  • First Look

First Look: April 14

(1839-1937), one of the most remarkable individuals to define the landscape of American business. Rockefeller's estimated $1.4 billion net worth in 1937 was equivalent to 1.5% of U.S. GDP. According to this metric he was (and still is)... View Details
Keywords: Sean Silverthorne
  • 16 Jul 2020
  • Research & Ideas

Restaurant Revolution: How the Industry Is Fighting to Stay Alive

advice to restaurant owners, staff, investors, and patrons that we offer below. How did it deteriorate so quickly? Restaurants are universally labor intensive—by any productivity metric they rank among the least productive industries.... View Details
Keywords: by Michael S. Kaufman, Lena G. Goldberg, and Jill Avery; Food & Beverage
  • 12 May 2023
  • Blog Post

Independent Project: The Rise of Electric Heat Pumps

a traditional gas-fired system due to lower utility bills and greater energy efficiency. Heat pumps can also insulate from the effects of energy price spikes. Next, making the switch will enable homeowners to take control of their climate... View Details
  • 28 Nov 2018
  • HBS Case

On Target: Rethinking the Retail Website

says. “I think that’s a big reason why Target’s adoption of a data-driven approach has been so successful.” Related Reading: Should Retailers Match Their Own Prices Online and in Stores? Retailing Revolution: Category Killers on the Brink... View Details
Keywords: by Dina Gerdeman; Retail
  • 01 Jan 2011
  • News

Seth Klarman, MBA 1982

responsibility with success, and that is leaving the world better than you found it," says Seth Klarman, who sees giving back as one of the key metrics to consider when gauging success. Another is whether one has created value for others.... View Details
  • November 2009
  • Article

Is it Fair to Blame Fair Value Accounting for the Financial Crisis?

By: Robert C. Pozen
When the credit markets seized up in 2008, many heaped blame on "mark to market" accounting rules, which require banks to write down their troubled assets to the prices they'd fetch if sold on the open market - at the time, next to nothing. Recording those assets below... View Details
Keywords: Cost Accounting; Fair Value Accounting; Financial Crisis; Assets; Governing Rules, Regulations, and Reforms; Crisis Management; Standards; Banking Industry
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  • 15 Jul 2019
  • Book

Many Executives Are Afraid of Finance. Here's How They Can Gain Confidence

disproportionate stock price hit to an earnings miss reflects that informational problem. The promise of private equity involves solving that gap between owners and managers. Buybacks must be interpreted in that context as either... View Details
Keywords: by Dina Gerdeman