Publications

Teaching Interest

Overview

21st Century Energy — Dr Crawford teaches this EC course, which exposes students to business models and management diilemmas, all along the energy value chain — from oil sands and pipelines, to coal and natural gas, hydro and nuclear, wind and solar, to biofuels. The... View Details

September 2010
Supplement

Using Regression Analysis to Estimate Time Equations (CW)

By: Francisco de Asis Martinez-Jerez

This note presents a simple way to estimate time equations using regression analysis in Excel. The note quickly outlines regression analysis, then presents a real-life case example from the natural gas industry that students can use to gain experience developing and... View Details

Keywords: History; Management Practices and Processes; Activity Based Costing and Management; Learning; Outcome or Result; Financial Statements; Experience and Expertise; Adoption; Communication Technology; Knowledge Acquisition; Management Skills

27 Jul 2009
Research & Ideas

Social Network Marketing: What Works?

When marketers want to reach users of social networks such as Facebook, MySpace, or Cyworld, they have two choices: buy advertising or start a viral campaign. New research by Harvard Business School professor Sunil Gupta suggests that viral may be the way to go in... View Details

Keywords: by Sarah Jane Gilbert; Advertising; Publishing; Retail

Article

How Local Context Shapes Digital Business Abroad

By: William R. Kerr

This article identifies how digital businesses need to be adapted to the local environment in which they are being applied. Core ideas include the development of strong barriers to entry, the types of network effects encountered, and the localization of business... View Details

Keywords: Business Model; Information Technology; Geographic Location; Market Entry and Exit; Adaptation; Entrepreneurship; Network Effects

Register to Read

March 2011 (Revised December 2012)
Case

Demand Media

By: John Deighton and Leora Kornfeld

Google search had helped Demand Media grow to be a $1.9 billion online publisher. Then, social media and smartphone apps began to change the way people navigated the Internet. How should Demand Media respond? The business ran on a radically new model in which a stable... View Details

Keywords: Business Model; Information Publishing; Consumer Behavior; Customization and Personalization; Internet and the Web; Publishing Industry

March 2002 (Revised June 2005)
Case

AOL Time Warner, Inc.

By: Stephen P. Bradley and Erin Sullivan

AOL Time Warner, which has been billed as the "first fully integrated media and communications company of the Internet Century," raises the fundamental question of how value will be created and captured by the merger of AOL and Time Warner. This case describes just how... View Details

Keywords: Mergers and Acquisitions; Internet and the Web; Value Creation; Organizational Culture; Consolidation; Change Management; Telecommunications Industry; Media and Broadcasting Industry; United States

21 Aug 2000
Research & Ideas

Faculty Research Looks to Latin America

individual countries that are driving these flows, but rather that the willingness has to be on the part of international investors to take risks. And emerging markets can't depend any longer on just international portfolios to allow for a tidal wave of foreign... View Details

Keywords: by Martha Lagace

28 Jul 2003
Research & Ideas

It’s India Above China in New World Order

professor of strategy at HBS. It is also important because the two countries have embraced very different models of development. The biggest source of worry is the state of China's banking sector, which is technically insolvent.—Yasheng... View Details

Keywords: by Martha Lagace

11 Dec 2018
Research & Ideas

Free Trade Needs Nurturing—and Other Lessons from History

that’s actually not true. There are times when globalization takes a step back. From 1850 to 1914, there was a technological revolution: With the telegraph, suddenly you could communicate from New Zealand to London in seconds, and... View Details

Keywords: by Staff; Auto; Aerospace; Chemical; Consumer Products; Electronics; Energy; Industrial Products; Manufacturing; Shipping; Transportation

11 Mar 2014
First Look

First Look: March 11

such patents. Our theoretical model builds on two distinct strategy literatures: firms appropriating rents from new technologies and firms managing stakeholders. We predict that a win-win outcome emerges... View Details

Keywords: Sean Silverthorne

01 Feb 2011
First Look

First Look: Feb. 1

event: gaining endorsement of the startup's technology standard, openly developing the startup's technology within the community (but not necessarily gaining endorsement), simply attending physical meetings... View Details

2015
Working Paper

Fake It Till You Make It: Reputation, Competition, and Yelp Review Fraud

By: Michael Luca and Georgios Zervas

Consumer reviews are now part of everyday decision-making. Yet, the credibility of these reviews is fundamentally undermined when businesses commit review fraud, creating fake reviews for themselves or their competitors. We investigate the economic incentives to commit... View Details

Keywords: Information; Competition; Internet and the Web; Ethics; Reputation; Social and Collaborative Networks; Retail Industry; Food and Beverage Industry

SSRN

Read Now

October 2001 (Revised March 2002)
Case

Bluefin Robotics

By: Joseph B. Lassiter III and David Kiron

Concentrates on the consequences of the choice of corporate partners on the growth alternatives available to a new company, in a new industry, based on a new technology. View Details

Keywords: Business Startups; Partners and Partnerships; Markets; Growth and Development Strategy; Technological Innovation

Find at Harvard

27 Jul 2011
Research & Ideas

Customer Loyalty Programs That Work

crowd. Technology is also a helpful factor in rewards programs, representing a vast improvement over an old, markedly creepier, and now mostly illegal strategy: dispatching an employee to the parking lot to write down license plate... View Details

Keywords: by Maggie Starvish; Retail

01 Dec 2015
First Look

December 1, 2015

Statistics Survive Another Day: Using Changes in the Composition of Investments to Measure the Cost of Credit Constraints By: Garicano, Luis, and Claudia Steinwender Abstract—We introduce a novel empirical strategy to measure the size of... View Details

Keywords: Sean Silverthorne

14 Aug 2012
First Look

First Look: August 14

(GMCR) senior executives in a negotiation to license technology from Keurig, a startup that has developed an innovative "portion pack" coffee brewing solution. The negotiation will determine the royalty to be paid to Keurig by... View Details

Keywords: Sean Silverthorne

24 Oct 2006
First Look

First Look: October 24, 2006

Course MaterialsCellular Service Harvard Business School Case 707-424 Background on cellular service technology and "friends and family" plans as foundation for discussing network effects. Purchase this case:... View Details

Keywords: Sean Silverthorne

July 2022 (Revised February 2024)
Teaching Note

The DivaCup: Navigating Distribution and Growth

By: Ayelet Israeli

Teaching Note for HBS Case No. 519-055. When the mother-daughter founders of DivaCup set out with a mission to disrupt the menstrual care industry with an innovative product form, they initially struggled to gain legitimacy and convince retailers to carry their unique... View Details

March 2019 (Revised April 2021)
Case

The DivaCup: Navigating Distribution and Growth

By: Ayelet Israeli

When the mother-daughter founders of DivaCup set out with a mission to disrupt the menstrual care industry with an innovative product form, they initially struggled to gain legitimacy and convince retailers to carry their unique product. Fifteen years later, the... View Details