Publications

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2025
Working Paper

When Where Watt: Harnessing the Value of Time and Location for Renewable Electricity Generation

By: Vishrut Rana, Christian Kaps and Serguei Netessine

Problem definition: Investments in renewable energy have surged worldwide in recent years, with over $2 trillion spent globally on clean energy. This surge was driven by growing policy support, concerns about energy security, and, most importantly, the cost... View Details

Keywords: Wind Power; Electricity Distribution; Renewable Energy; Profit; Investment Return; Factories, Labs, and Plants; Geographic Location; Revenue; Energy Industry; Utilities Industry

SSRN

January 2005
Tutorial

Buying Time

By: Robert S. Kaplan

Managers must frequently make decisions involving trade-offs between cash flows to be paid or received at different points in time. Accountants, in turn, must describe transactions that involve the payment and/or receipt of cash far in the future. This interactive... View Details

Keywords: Cash Flow; Value; Interest Rates; Financial Statements

Article

Costs Without Value When Treating Pediatric Behavioral Patients in the ED

By: Marcella Jewell, Syed S. Shehab, Robert S. Kaplan, Jack Fanton and Joeli Hettler

Pediatric Emergency Department (ED) visits have greatly increased in recent years. An academic pediatric ED that annually treats about 1,000 behavioral health patients conducted a study to assess the true cost of caring for nonacute behavioral health patients. It... View Details

Keywords: Costs; Value; Healthcare; Health Care and Treatment; Cost Management

October 1991 (Revised September 2004)
Case

Buying Time

By: William J. Bruns Jr. and Susan Harmeling

A self-contained explanation and simple practice examples to introduce students to the concepts of compound interest, present value loans, bonds, and leases. Necessary present value tables are included. The study questions provide simple exercises to enhance student... View Details

Keywords: Bonds; Financing and Loans; Learning

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

01 Sep 2009
News

Of Value and Values

Generation manages to do the appropriate level of due diligence in emerging markets that lack transparency. Another wondered how Generation’s practice of sometimes holding investments for only a short time meshed with its commitment to... View Details

Keywords: Julia Hanna; Colleges, Universities, and Professional Schools; Educational Services; Finance; Corporate, Subsidiary, and Regional Managing Offices; Management

February 1997 (Revised January 1998)
Background Note

Day in the Life of The New York Times on the Web, A

By: Jeffrey F. Rayport

September 1977 (Revised September 1978)
Background Note

Some Common Problems and Misconceptions About Discounting and the Time Value of Money

01 Jun 2004
News

Life Lessons

California, graduating from Live Oak High School in 1993. Despite the dangerous, backbreaking nature of migrant life, Curiel values the work ethic he developed and the long periods of time spent with his... View Details

Keywords: James E. Aisner; Garry Emmons; Julia Hanna; Susan Young; Colleges, Universities, and Professional Schools; Educational Services

December 2013
Article

Measuring the Value of Process Improvement Initiatives in a Preoperative Assessment Center using Time-driven Activity-based Costing

By: Katy E. French, Heidi W. Albright, John C. Frenzel, James R. Incalcaterra, Augustin C. Rubio, Jessica F. Jones and Thomas W. Feeley

Background: The value and impact of process improvement initiatives are difficult to quantify. We describe the use of time-driven activity-based costing(TDABC)in a clinical setting to quantify the value of process improvements in terms of cost, time and personnel... View Details

Keywords: Quality Improvement; Value Agenda; Time-Driven Activity-Based Costing; Accounting; Health; Measurement and Metrics; Value; Health Industry; North and Central America

August 2019 (Revised November 2022)
Case

Paradigm Capital Value Fund

By: Luis M. Viceira and Elena Corsi

Karl Jan Erick Hummel had founded Paradigm Capital Value Fund in 2007 together with Columbia Business School Professor Bruce Greenwald, an expert in value investing and now chairman of the fund. The fund followed the principles of value investing to their target... View Details

Keywords: Investment Activism; Investment Portfolio; Financial Management; Growth and Development Strategy; Investment Funds; Financial Services Industry

16 Sep 2024
News

Life Preserver

“There’s a massive gap between how many people get to benefit from a lifesaving organ transplant and how many truly need one,” says Sebastian Giwa (MBA 2009). He’s spent the last decade trying to change that. In the United States alone, scientists estimate between... View Details

28 Sep 2023
News

Screen Time

iStock/ST.art MBA 1982’s Section B had already formed a close-knit group that gathered often in the decades following their time at the School, when the pandemic appeared in the spring of 2020. Unable to enjoy one another’s company in... View Details

Keywords: Margie Kelley

09 Feb 2018
News

No Time For Complacency For U.S. Banks - Aggressive Technology Use Can Create Real Shareholder Value

21 Sep 2016
Blog Post

How HBS Changed My Life

world. Then I met Harvard Business School. Today I want to talk about how the institution has changed my life in three tangible ways. 1. Confidence – While at HBS, I went through hundreds of case studies where I had to put myself in the... View Details

September 1994 (Revised May 1995)
Case

Time Life, Inc. (A)

By: David A. Garvin and Jonathan West

Time Life has historically been a continuity book publisher, selling 20-volume book series via direct mail. Now, however, music and video/TV divisions have been added, and the CEO is trying to craft a strategy that will align the divisions so they can produce... View Details

Keywords: Business Strategy; Corporate Strategy; Business Divisions; Horizontal Integration; Production; Creativity; Alignment; Advertising; Publishing Industry

29 Jul 2002
Research & Ideas

Time Pressure and Creativity: Why Time is Not on Your Side

Harvard Business School professor Teresa Amabile is in the midst of a ten-year study looking at, among other things, how time pressure in a corporate setting affects employee creativity. She recently presented early findings and an... View Details

Keywords: by Sean Silverthorne; Education; Fine Arts

2013
Tool

Harvard Business Review's Go to Market Tools: Customer Lifetime Value

By: Thomas Steenburgh and Jill Avery

How much are your customers worth? Has your marketing budget been slashed? Need to figure out the best place to invest your time and effort to reach your growth target? HBR's Go to Market Tool helps calculate your customer's lifetime value, allowing you to prioritize... View Details

Keywords: Quantitative Analysis; Tools; Customer Lifetime Value; Customer Defection; CRM; Customer Relationship Management; Marketing; Marketing Strategy; Customer Focus and Relationships