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Show Results For
- All HBS Web
(5,580)
- People (21)
- News (1,656)
- Research (2,222)
- Events (14)
- Multimedia (14)
- Faculty Publications (657)
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- Article
Making Seconds Count: When Valuing Time Promotes Subjective Well-being
By: Alice Lee-Yoon and A.V. Whillans
Time is a finite and precious resource, and the way that we value our time can critically shape happiness. In this article, we present a conceptual framework to explain when valuing time can enhance vs. undermine well-being. Specifically, we review the emotional... View Details
Lee-Yoon, Alice, and A.V. Whillans. "Making Seconds Count: When Valuing Time Promotes Subjective Well-being." Current Opinion in Psychology 26 (April 2019): 54–57.
- Article
Valuing Time Over Money Predicts Happiness After a Major Life Transition: A Preregistered Longitudinal Study of Graduating Students
By: A.V. Whillans, Lucia Macchia and Elizabeth Dunn
How does prioritizing time or money shape major life decisions and subsequent well-being? In a preregistered longitudinal study of approximately 1000 graduating university students, respondents who valued time over money chose more intrinsically rewarding activities... View Details
Keywords: Time Use; Trade-offs; Career Decisions; Time Management; Money; Happiness; Values and Beliefs; Personal Development and Career
Whillans, A.V., Lucia Macchia, and Elizabeth Dunn. "Valuing Time Over Money Predicts Happiness After a Major Life Transition: A Preregistered Longitudinal Study of Graduating Students." Science Advances 5, no. 9 (September 2019).
- Summer 2025
- Article
Time Well Spent: A New Way to Value Time Could Change Your Life
By: Leslie Perlow and Salvatore J Affinito
When individuals engage in fulfilling activities outside of work, they perform better on the job, but simply encouraging work-life balance doesn’t help with hour-by-hour time management. A new tool for measuring the subjective value of time for individuals as it varies... View Details
Perlow, Leslie, and Salvatore J Affinito. "Time Well Spent: A New Way to Value Time Could Change Your Life." MIT Sloan Management Review 66, no. 4 (Summer 2025): 44–49.
- Research Summary
Leadership & Values in Times of Instability
Professor Raffaelli investigates the role of leaders within organizations and across industries during periods of upheaval and ambiguity. His work indicates the key role leaders play in driving and infusing values. He also connects leadership to meaning-making,... View Details
- Article
Valuing Time Over Money Is Associated with Greater Happiness
By: A.V. Whillans, Aaron C. Weidman and Elizabeth W. Dunn
How do the trade-offs that we make about two of our most valuable resources—time and money—shape happiness? While past research has documented the immediate consequences of thinking about time and money, research has not yet examined whether people’s general... View Details
Whillans, A.V., Aaron C. Weidman, and Elizabeth W. Dunn. "Valuing Time Over Money Is Associated with Greater Happiness." Social Psychological & Personality Science 7, no. 3 (April 2016): 213–222.
- 2021
- Working Paper
Time and the Value of Data
By: Ehsan Valavi, Joel Hestness, Newsha Ardalani and Marco Iansiti
Managers often believe that collecting more data will continually improve the accuracy of their machine learning models. However, we argue in this paper that when data lose relevance over time, it may be optimal to collect a limited amount of recent data instead of... View Details
Keywords: Economics Of AI; Machine Learning; Non-stationarity; Perishability; Value Depreciation; Analytics and Data Science; Value
Valavi, Ehsan, Joel Hestness, Newsha Ardalani, and Marco Iansiti. "Time and the Value of Data." Harvard Business School Working Paper, No. 21-016, August 2020. (Revised November 2021.)
- August 8, 2017
- Article
Buying Time Promotes Happiness
By: A.V. Whillans, Elizabeth W. Dunn, Paul Smeets, Rene Bekkers and Michael I. Norton
Around the world, increases in wealth have produced an unintended consequence: a rising sense of time scarcity. We provide evidence that using money to buy time can provide a buffer against this time famine, thereby promoting happiness. Using large, diverse samples... View Details
Whillans, A.V., Elizabeth W. Dunn, Paul Smeets, Rene Bekkers, and Michael I. Norton. "Buying Time Promotes Happiness." Proceedings of the National Academy of Sciences 114, no. 32 (August 8, 2017): 8523–8527.
- January 2002 (Revised February 2002)
- Case
Valuing the AOL Time Warner Merger
By: Lynda M. Applegate, Rena Miller and John N Rei
On January 11, 2000, AOL and Time Warner announced their intention to merge, creating what AOL CEO Stephen Case and Time Warner CEO Gerald Levin called the 21st century's first fully integrated communications, media, and entertainment company. This case, prepared from... View Details
Keywords: Mergers and Acquisitions; Management Analysis, Tools, and Techniques; Valuation; Situation or Environment; Media and Broadcasting Industry; Entertainment and Recreation Industry
Applegate, Lynda M., Rena Miller, and John N Rei. "Valuing the AOL Time Warner Merger." Harvard Business School Case 802-098, January 2002. (Revised February 2002.)
- November–December 2018
- Article
Slack Time and Innovation
By: Ajay Agrawal, Christian Catalini, Avi Goldfarb and Hong Luo
Traditional innovation models assume that new ideas are developed up to the point where the benefit of the marginal project is just equal to the cost. Because labor is a key input to innovation when the opportunity cost of time is lower, such as during school breaks or... View Details
Agrawal, Ajay, Christian Catalini, Avi Goldfarb, and Hong Luo. "Slack Time and Innovation." Organization Science 29, no. 6 (November–December 2018): 1056–1073.
- 15 Sep 2020
- Working Paper Summaries
Time and the Value of Data
- August 1976 (Revised October 1976)
- Background Note
Cash Flow and the Time Value of Money
With the use of charts and examples, gives a detailed description of cash flows, the time value of money, and discounted cash flow analysis. View Details
Frey, Sherwood C. "Cash Flow and the Time Value of Money." Harvard Business School Background Note 177-012, August 1976. (Revised October 1976.)
- June 1995
- Teaching Note
Time Life Inc. (A) and (B)TN
By: David A. Garvin and Artemis March
Teaching Note for (9-395-012) and (9-395-013). View Details
Keywords: Publishing Industry
- June 2002
- Background Note
Note on the Value of Life
By: Michael A. Wheeler and Carlos Gonzalez
This case summarizes how American courts measure damages in wrongful death suits. Various standards are compared, as are their implications for business management. View Details
Keywords: Judgments; Courts and Trials; Business or Company Management; Standards; Negotiation; United States
Wheeler, Michael A., and Carlos Gonzalez. "Note on the Value of Life." Harvard Business School Background Note 902-152, June 2002.
- 2021
- Working Paper
Time Dependency, Data Flow, and Competitive Advantage
Data is fundamental to machine learning-based products and services and is considered strategic due to its externalities for businesses, governments, non-profits, and more generally for society. It is renowned that the value of organizations (businesses, government... View Details
Keywords: Economics Of AI; Value Of Data; Perishability; Time Dependency; Flow Of Data; Data Strategy; Analytics and Data Science; Value; Strategy; Competitive Advantage
Valavi, Ehsan, Joel Hestness, Marco Iansiti, Newsha Ardalani, Feng Zhu, and Karim R. Lakhani. "Time Dependency, Data Flow, and Competitive Advantage." Harvard Business School Working Paper, No. 21-099, March 2021.
- June 2002
- Teaching Note
Valuing the AOL Time Warner Merger, TN
By: Lynda M. Applegate and Maddy Kadish
Teaching Note for (9-802-098). View Details
- Article
Time Use and Happiness of Millionaires: Evidence from the Netherlands
By: Paul Smeets, A.V. Whillans, Rene Bekkers and Michael I. Norton
How do the very wealthy spend their time, and how does time use relate to well-being? In two studies in the Netherlands, the affluent (N=863, N=690) and the general population (N=1232, N=306) spent time in surprisingly similar ways, such as by spending the same amount... View Details
Keywords: Time And Wellbeing; Millionaires; Social Class; Wealth; Happiness; Demographics; Netherlands
Smeets, Paul, A.V. Whillans, Rene Bekkers, and Michael I. Norton. "Time Use and Happiness of Millionaires: Evidence from the Netherlands." Social Psychological & Personality Science 11, no. 3 (April 2020): 295–307.
- September 2021
- Article
Income More Reliably Predicts Frequent Than Intense Happiness
By: Jon M. Jachimowicz, Ruo Mo, Adam Eric Greenberg, Bertus Jeronimus and Ashley V. Whillans
There is widespread consensus that income and subjective well-being are linked, but when and why they are connected is subject to ongoing debate. We draw on prior research that distinguishes between the frequency and intensity of happiness to suggest that higher income... View Details
Jachimowicz, Jon M., Ruo Mo, Adam Eric Greenberg, Bertus Jeronimus, and Ashley V. Whillans. "Income More Reliably Predicts Frequent Than Intense Happiness." Social Psychological & Personality Science 12, no. 7 (September 2021): 1294–1306.
- Article
The Value of Trading Relations in Turbulent Times
By: Marco Di Maggio, Amir Kermani and Zhaogang Song
This paper investigates how dealers’ trading relations shape their trading behavior in the corporate bond market. Dealers charge lower spreads to dealers with whom they have the strongest ties and more so during periods of market turmoil. Systemically important dealers... View Details
Keywords: OTC Markets; Network; Corporate Bonds; Crisis; Intermediation Chains; Leaning Against The Wind; Networks; Bonds; Behavior; Financial Crisis
Di Maggio, Marco, Amir Kermani, and Zhaogang Song. "The Value of Trading Relations in Turbulent Times." Journal of Financial Economics 124, no. 2 (May 2017): 266–284.
- August 2009
- Case
Life Stories of Recent MBAs: Values and Ethical Challenges
By: Nitin Nohria, Matthew D. Breitfelder and Daisy A Wademan Dowling
Nohria, Nitin, Matthew D. Breitfelder, and Daisy A Wademan Dowling. "Life Stories of Recent MBAs: Values and Ethical Challenges." Harvard Business School Case 410-029, August 2009.
- 2006
- Book
Andy Grove: The Life and Times of an American
Keywords: United States
Tedlow, Richard S. Andy Grove: The Life and Times of an American. New York, NY: Portfolio, 2006. (Selected as one of the 10 best business books of the year 2006 by Business Week and The Times of India.)