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- All HBS Web (706)
- Faculty Publications (225)
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- August 2017
- Article
Voter Registration Costs and Disenfranchisement: Experimental Evidence from France
By: Céline Braconnier, Jean-Yves Dormagen and Vincent Pons
A large-scale randomized experiment conducted during the 2012 French presidential and parliamentary elections shows that voter registration requirements have significant effects on turnout, resulting in unequal participation. We assigned 20,500 apartments to one... View Details
Braconnier, Céline, Jean-Yves Dormagen, and Vincent Pons. "Voter Registration Costs and Disenfranchisement: Experimental Evidence from France." American Political Science Review 111, no. 3 (August 2017): 584–604. (Also Harvard Business School Working Paper, No. 16-098, March 2016.)
- October 2013 (Revised October 2016)
- Case
Steward Health Care System
By: Robert F. Higgins and Noah Fisher
Steward Health has raised private equity and has converted from not-for-profit to for-profit. The case describes its Accountable Care Organization (ACO) and asks whether it should continue this experiment. View Details
Keywords: Accountable Care Organization; ACO; Medicare; Medicaid; Medical Services; Cerberus; Caritas; Health Care Policy; Health Care Industry; Provider Organizations; Health Care and Treatment; Health Industry; United States
Higgins, Robert F., and Noah Fisher. "Steward Health Care System." Harvard Business School Case 814-029, October 2013. (Revised October 2016.)
- 2008
- Working Paper
Finding Missing Markets (and a disturbing epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya
By: Nava Ashraf, Xavier Gine and Dean Karlan
In much of the developing world, many farmers grow crops for local or personal consumption despite export options which appear to be more profitable. Thus many conjecture that one or several markets are missing. We report here on a randomized controlled trial conducted... View Details
Keywords: Agribusiness; Developing Countries and Economies; Trade; Profit; Product Marketing; Standards; Failure; Risk and Uncertainty; Non-Governmental Organizations; Agriculture and Agribusiness Industry; Service Industry; Kenya; Europe
Ashraf, Nava, Xavier Gine, and Dean Karlan. "Finding Missing Markets (and a disturbing epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya." Harvard Business School Working Paper, No. 08-065, February 2008. (forthcoming, American Journal of Agricultural Economics.)
- 2024
- Working Paper
Design of Panel Experiments with Spatial and Temporal Interference
By: Tu Ni, Iavor Bojinov and Jinglong Zhao
One of the main practical challenges companies face when running experiments (or A/B tests) over a panel is interference, the setting where one experimental unit's treatment assignment at one time period impacts another's outcomes, possibly at the following time... View Details
Keywords: Research
Ni, Tu, Iavor Bojinov, and Jinglong Zhao. "Design of Panel Experiments with Spatial and Temporal Interference." Harvard Business School Working Paper, No. 24-058, March 2024.
- April, 2023
- Article
Reducing Information Barriers to Solar Adoption: Experimental Evidence from India
By: Meera Mahadevan, Robyn C. Meeks and Takashi Yamano
Off-grid solar technologies hold promise for unelectrified and low-quality electricity settings; however, their adoption remains low. Important barriers to adoption, such as incomplete information remain relatively unexplored in developing countries. In collaboration... View Details
Keywords: Technology Adoption; Renewable Energy; Knowledge Sharing; Developing Countries and Economies; India
Mahadevan, Meera, Robyn C. Meeks, and Takashi Yamano. "Reducing Information Barriers to Solar Adoption: Experimental Evidence from India." Energy Economics 120 (April, 2023).
- May 2020
- Teaching Note
Danone: Changing the Food System
By: David E. Bell, Federica Gabrieli, Daniela Beyersdorfer, Amy Klopfenstein and Aldo Sesia
Teaching Note for HBS No. 520-053.
This is a teaching note for the case “Danone: Changing the Food System?” The case examines the efforts of one of the world’s largest food and beverage companies to resolve the social, environmental, and economic issues within... View Details
This is a teaching note for the case “Danone: Changing the Food System?” The case examines the efforts of one of the world’s largest food and beverage companies to resolve the social, environmental, and economic issues within... View Details
- 01 May 2014
- Working Paper Summaries
Revisiting the Classical View of Benefit-Based Taxation
Keywords: by Matthew Weinzierl
- December 2018
- Article
Reserve Design: Unintended Consequences and the Demise of Boston's Walk Zones
By: Umut Dur, Scott Duke Kominers, Parag A. Pathak and Tayfun Sönmez
Admissions policies often use reserves to grant certain applicants higher priority for some (but not all) available seats. Boston’s school choice system, for example, reserved half of each school’s seats for local neighborhood applicants while leaving the other half... View Details
Keywords: Neighborhoods; Equal Access; School Choice; Affirmative Action; Desegregation; Marketplace Matching; Fairness; Local Range; Education; Policy
Dur, Umut, Scott Duke Kominers, Parag A. Pathak, and Tayfun Sönmez. "Reserve Design: Unintended Consequences and the Demise of Boston's Walk Zones." Journal of Political Economy 126, no. 6 (December 2018): 2457–2479.
- August 2003 (Revised August 2006)
- Case
I've Got Rhythm: Selling Cardiac Rhythm Management Devices
By: Regina E. Herzlinger, William Lagor, Christopher Perry and Scott St. Germain
The head of sales and marketing in a large medical devices firm must decide how to assign his sales force. He compares selling in the pharma, specialty pharma, and device industries and analyzes the reasons for the differences. View Details
Keywords: Health Care and Treatment; Marketing Strategy; Industry Structures; Sales; Salesforce Management; Medical Devices and Supplies Industry
Herzlinger, Regina E., William Lagor, Christopher Perry, and Scott St. Germain. "I've Got Rhythm: Selling Cardiac Rhythm Management Devices." Harvard Business School Case 304-012, August 2003. (Revised August 2006.)
- 2020
- Working Paper
Social Attachment to Place and Psychic Costs of Geographic Mobility: How Distance from Hometown and Vacation Flexibility Affect Job Performance
By: Prithwiraj Choudhury and Ohchan Kwon
Using a natural experiment and field interviews, this paper studies how social attachment to place imposes psychic costs on workers who experience geographic mobility. This is especially salient when workers are assigned to locations far from their hometown, which may... View Details
Keywords: Distance From Hometown; Social Attachment To Place; Psychic Costs; Worker Performance; Natural Experiment; Geographic Location; Familiarity; Employees; Performance; India
Choudhury, Prithwiraj, and Ohchan Kwon. "Social Attachment to Place and Psychic Costs of Geographic Mobility: How Distance from Hometown and Vacation Flexibility Affect Job Performance." Harvard Business School Working Paper, No. 19-010, August 2018. (Revised January 2020.)
- Research Summary
Overview
By: Kyle R. Myers
Professor Myers studies the economics of what determines the rate and direction of innovation. He has examined the reallocation of scientists through the use of targeted research grants at the National Institutes of Health, and is working to further understand how... View Details
Keywords: Technology Networks; Commercialization; Science-Based Business; Research and Development; Knowledge Management; Patents; Innovation Strategy; Technological Innovation; Health Care and Treatment; Entrepreneurship; Health; Innovation and Invention; Science; Technology; Knowledge; Intellectual Property; Economics; Microeconomics; Biotechnology Industry; Health Industry; Pharmaceutical Industry; Technology Industry
- 14 Nov 2011
- Working Paper Summaries
The Impact of Corporate Sustainability on Organizational Process and Performance
- June 28, 2011
- Article
Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates
By: Katherine L Milkman, John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian
We evaluate the results of a field experiment designed to measure the effect of prompts to form implementation intentions on realized behavioral outcomes. The outcome of interest is influenza vaccination receipt at free on-site clinics offered by a large firm to its... View Details
Keywords: Behavioral Economics; Nudge; Libertarian Paternalism; Public Health; Flu Shot; Behavior; Consumer Behavior; Health Care and Treatment; Cognition and Thinking
Milkman, Katherine L., John Beshears, James J. Choi, David Laibson, and Brigitte C. Madrian. "Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates." Proceedings of the National Academy of Sciences 108, no. 26 (June 28, 2011): 10415–10420.
- 23 Aug 2006
- Op-Ed
The Real Wal-Mart Effect
the world's largest company, primarily focused on its treatment of workers. The recent spate of books on the company is no exception. Some are overtly critical, for example Anthony Bianco's The Bully of Bentonville: How the High Cost of... View Details
- September 2009
- Article
Spousal Control and Intra-Household Decision Making: An Experimental Study in the Philippines
By: Nava Ashraf
Using an experimental design I elicit causal effects of spousal observability and communication on financial choices of married individuals in the Philippines. Making choices public moves men from putting money into their own account to consumption; communication with... View Details
Keywords: Intra-household; Bargaining; Experiments; Economic Development; Saving; Governance Controls; Decision Choices and Conditions; Personal Finance; Family and Family Relationships; Household; Gender
Ashraf, Nava. "Spousal Control and Intra-Household Decision Making: An Experimental Study in the Philippines." American Economic Review 99, no. 4 (September 2009): 1245–1277. (Online Appendix.)
- March 2022
- Article
Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models
By: Fiammetta Menchetti and Iavor Bojinov
Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details
Keywords: Causal Inference; Partial Interference; Synthetic Controls; Bayesian Structural Time Series; Mathematical Methods
Menchetti, Fiammetta, and Iavor Bojinov. "Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models." Annals of Applied Statistics 16, no. 1 (March 2022): 414–435.
- 2016
- Working Paper
Popular Acceptance of Inequality Due to Innate Brute Luck and Support for Classical Benefit-Based Taxation
U.S. survey respondents' views on distributive justice are shown to differ in two specific, related ways from what is conventionally assumed in modern optimal tax research. A large share of respondents, and in some cases a large majority, resist the full equalization... View Details
Weinzierl, Matthew C. "Popular Acceptance of Inequality Due to Innate Brute Luck and Support for Classical Benefit-Based Taxation." Harvard Business School Working Paper, No. 16-104, March 2016. (Revised July 2016. Also NBER Working Paper Series, No. 22462, July 2016. Also see Notes on Fortune article. Accepted for publication by the Journal of Public Economics.)
- 2023
- Working Paper
Leadership and the Value of Persistence
By: James J. Anton, Alan Jaske and Dennis Yao
Consider a leader’s decision whether to persist with an unsuccessful R&D project
or to terminate the project in favor of a new project with an uncertain value. How
does that decision affect the effort exerted by the manager assigned to the project? To
study this... View Details
- Article
A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies
By: Katherine L. Milkman, Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Encouraging vaccination is a pressing policy problem. To assess whether text-based reminders can encourage pharmacy vaccination and what kinds of messages work best, we conducted a megastudy. We randomly assigned 689,693 Walmart pharmacy patients to receive one of 22... View Details
Keywords: Vaccination; Vaccines; Nudges; Communication Strategy; Communication Technology; Consumer Behavior; Health Care and Treatment
Milkman, Katherine L., Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies." e2115126119. Proceedings of the National Academy of Sciences 119, no. 6 (February 8, 2022).
- Spring 2016
- Article
Net Neutrality: A Fast Lane to Understanding the Tradeoffs
By: Shane Greenstein, Martin Peitz and Tommaso Valletti
The last decade has seen a strident public debate about the principle of "net neutrality." The economic literature has focused on two definitions of net neutrality. The most basic definition of net neutrality is to prohibit payments from content providers to internet... View Details
Greenstein, Shane, Martin Peitz, and Tommaso Valletti. "Net Neutrality: A Fast Lane to Understanding the Tradeoffs." Journal of Economic Perspectives 30, no. 2 (Spring 2016): 127–150.