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Show Results For
- All HBS Web
(2,118)
- People (1)
- News (437)
- Research (1,510)
- Events (49)
- Multimedia (13)
- Faculty Publications (935)
- 2013
- Working Paper
Where do the Most Active Customers Originate and How Can Firms Keep Them Engaged?
By: Clarence Lee, E. Ofek and Thomas Steenburgh
In this paper, we study how firms offering Web services can acquire and develop an active customer base. We focus on two basic questions. First, how does the method of customer acquisition affect the way customers use the service to meet their own needs and to interact... View Details
- 2013
- Working Paper
Do Display Ads Influence Search?: Attribution and Dynamics in Online Advertising
By: Sunil Gupta
As firms increasingly rely on online media to acquire consumers, marketing managers feel comfortable justifying higher online marketing spend by referring to online metrics such as click-through rate (CTR) and cost per acquisition (CPA). However, these standard online... View Details
Kireyev, Pavel, Koen Pauwels, and Sunil Gupta. "Do Display Ads Influence Search? Attribution and Dynamics in Online Advertising." Harvard Business School Working Paper, No. 13-070, February 2013.
- 2010
- Chapter
Crime Distribution and Victim Behavior during a Crime Wave
By: Rafael Di Tella, Sebastian Galiani and Ernesto Schargrodsky
The study of how crime affects different income groups faces the difficulty that crime-avoiding activities vary across these groups. Thus, a lower victimization rate in one group may not reflect a lower burden of crime, but rather a higher investment in crime... View Details
Keywords: Safety; Wealth and Poverty; Selection and Staffing; Crime and Corruption; Income; Leading Change; Information Management; Argentina
Di Tella, Rafael, Sebastian Galiani, and Ernesto Schargrodsky. "Crime Distribution and Victim Behavior during a Crime Wave." Chap. 5 in The Economics of Crime: Lessons for and from Latin America, edited by Rafael Di Tella, Sebastian Edwards, and Ernesto Schargrodsky, 175–204. National Bureau of Economic Research Conference Report. University of Chicago Press, 2010.
- 04 Oct 2019
- HBS Seminar
Annabelle Fowler (Harvard University), Harvard University
Strict ID Laws Don't Stop Voters: Evidence form a U.S. Nationwide Panel, 2008-2018
U.S. states increasingly require identification to vote—an ostensible attempt to deter fraud that prompts complaints of selective disenfranchisement. Using a difference-in-differences design on a panel data set with 1.6 billion observations, 2008–2018, we find that... View Details
- 02 May 2013
- Working Paper Summaries
Innovation, Reallocation, and Growth
- Research Summary
The Real Exchange Rate, Innovation and Productivity
By: Laura Alfaro
We evaluate manufacturing firms' responses to changes in the real exchange rate (RER) using detailed firm-level data for a large set of countries for the period 2001-2010. We uncover the following stylized facts about regional variation of manufacturing firms'... View Details
- 2025
- Working Paper
Rethinking Volume
By: Philippe van der Beck, Lorenzo Bretscher and Zhiyu Julie Fu
Gross trading volumes in financial markets are large and far exceed return volatility. In contrast, “net volume”—trading from persistent portfolio reallocations—is substantially lower, as it excludes transitory round-trip trades. This observation reveals a fundamental... View Details
van der Beck, Philippe, Lorenzo Bretscher, and Zhiyu Julie Fu. "Rethinking Volume." Harvard Business School Working Paper, No. 26-003, July 2025.
- 2020
- Working Paper
The Real Exchange Rate, Innovation and Productivity
By: Laura Alfaro, Alejandro Cuñat, Harald Fadinger and Yanping Liu
We evaluate manufacturing firms' responses to changes in the real exchange rate (RER) using detailed firm-level data for a large set of countries for the period 2001–2010. We uncover the following stylized facts about regional variation of manufacturing firms'... View Details
Keywords: Real Exchange Rate; Firm Level Data; Innovation; Productivity; Exporting; Importing; Credit Constraints; Currency Exchange Rate; Innovation and Invention; Performance Productivity
Alfaro, Laura, Alejandro Cuñat, Harald Fadinger, and Yanping Liu. "The Real Exchange Rate, Innovation and Productivity." Harvard Business School Working Paper, No. 18-044, November 2017. (Revised April 2020.)
- 2002
- Other Unpublished Work
The Effect of Editorial Discretion Book Promotion on Sales at Amazon.com
By: Benjamin Edelman
A new dataset collected by the author allows estimation of the effect on book sales of promotional listing on Amazon's editorial discretion pages. Following Goolsbee and Chevalier (2001), sales quantities are inferred from sales rank data freely available on Amazon's... View Details
Edelman, Benjamin. "The Effect of Editorial Discretion Book Promotion on Sales at Amazon.com." 2002. (Winner of Seymour E. and Ruth B. Harris Prize for outstanding senior honors thesis in economics. Winner of Thomas T. Hoopes Prize awarded for outstanding scholarly work or research.)
- 21 Mar 2018
- Research & Ideas
Why Artificial Intelligence Isn't a Sure Thing to Increase Productivity
iStock Thinking about the fast-approaching era of artificial intelligence, employers rejoice in the increases to productivity such tools could bring, while workers are more likely to calculate the time left before R2-D2 takes over their jobs. “Jacques Bughin and... View Details
- 2012
- Discussion Paper
Labor Productivity and Quality Change in Singapore: Achievements in 1974-2011 and Prospects for the Next Two Decades
By: Koji Nomura and Tomomichi Amano
Labor productivity growth in Singapore that has grown at a rate of over 3.0 percent per year since 1970s considerably slowed down to 0.5 percent on average per annum in the latter half of the 2000s. The purpose of this paper is to ask, first, to what extent Singapore’s... View Details
Nomura, Koji, and Tomomichi Amano. "Labor Productivity and Quality Change in Singapore: Achievements in 1974-2011 and Prospects for the Next Two Decades." Discussion Paper, Keio Economic Observatory, 2012.
- 16 Jun 2021
- HBS Case
Cruising in Crisis: How Carnival Is Riding Out the COVID-19 Storm
rebound a question of “when” rather than “if.” The future looks bright Now with an estimated $8 billion in cash on hand, Carnival seems well poised to recover—even if it takes some time before ships are sailing at regular rates again.... View Details
- 01 Jun 2024
- News
Quantum Leap
to novel hardware, quantum computers require new software to exploit their unique capabilities.) Since then, progress has accelerated rapidly, and interest in quantum computing has exploded. Amit Kumar (MBA 2008), a managing director and senior partner at Boston... View Details
- 01 Oct 2021
- Research & Ideas
Dying to Lead: How Reaching the Top Can Kill You Sooner
then-headquarters in Schenectady, New York. He relied heavily on GE’s employee directories, which listed all the managers within the company’s organizational structure. He also used US Census data, and other public and private documents to View Details
Keywords: by Jay Fitzgerald
- 11 Jan 2013
- Working Paper Summaries
The Spatial Diffusion of Technology
- 2024
- Working Paper
Capital Market Integration and Growth across the United States
By: Leonardo D'Amico and Maxim Alekseev
What drives the integration of national financial markets and what are its consequences for regional growth? We digitize and collect US state-level banking data from 1953 to 1983 and document a tight link between high nominal short rates and financial integration,... View Details
- March 2022
- Article
Where to Locate COVID-19 Mass Vaccination Facilities?
By: Dimitris Bertsimas, Vassilis Digalakis Jr, Alexander Jacquillat, Michael Lingzhi Li and Alessandro Previero
The outbreak of COVID-19 led to a record-breaking race to develop a vaccine. However, the limited vaccine capacity creates another massive challenge: how to distribute vaccines to mitigate the near-end impact of the pandemic? In the United States in particular, the new... View Details
Keywords: Vaccines; COVID-19; Health Care and Treatment; Health Pandemics; Performance Effectiveness; Analytics and Data Science; Mathematical Methods
Bertsimas, Dimitris, Vassilis Digalakis Jr, Alexander Jacquillat, Michael Lingzhi Li, and Alessandro Previero. "Where to Locate COVID-19 Mass Vaccination Facilities?" Naval Research Logistics Quarterly 69, no. 2 (March 2022): 179–200.
- 2021
- Working Paper
'Just Letting You Know…': Underestimating Others' Desire for Constructive Feedback
By: Nicole Abi-Esber, Jennifer Abel, Juliana Schroeder and Francesca Gino
People often avoid giving feedback to others even when it would help fix a problem immediately. Indeed, in a pilot field study (N=155), only 2.6% of individuals provided feedback to survey administrators that the administrators had food or marker on their faces.... View Details
Keywords: Feedback; Helping; Prosocial Behavior; Relationships; Social Psychology; Theory; Perception
Abi-Esber, Nicole, Jennifer Abel, Juliana Schroeder, and Francesca Gino. "'Just Letting You Know…': Underestimating Others' Desire for Constructive Feedback." Harvard Business School Working Paper, No. 22-009, August 2021.
- 2017
- Working Paper
Peer Effects on the United States Supreme Court
By: Matthew Lilley, Richard Holden and Michael Keane
Using data on essentially every US Supreme Court decision since 1946, we estimate a model of peer effects on the Court. We consider both the impact of justice ideology and justice votes on the votes of their peers. To identify these peer effects we use two instruments.... View Details
Keywords: Supreme Court; Peer Effects; Voting Behavior; Legal System; Courts and Trials; Voting; Behavior
Lilley, Matthew, Richard Holden, and Michael Keane. "Peer Effects on the United States Supreme Court." Working Paper, February 2017.