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- 2023
- Article
A Randomized Trial of Behavioral Nudges Delivered through Text Messages to Increase Influenza Vaccination among Patients with an Upcoming Primary Care Visit
By: Mitesh S. Patel, Katherine L. Milkman, Linnea Gandhi, Heather N. Graci, Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Seung Hyeong Lee, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Purpose: To evaluate if nudges delivered by text message prior to an upcoming primary care visit can increase influenza vaccination rates.
Design: Randomized, controlled trial.
Setting: Two health systems in the Northeastern US between September 2020 and... View Details
Design: Randomized, controlled trial.
Setting: Two health systems in the Northeastern US between September 2020 and... View Details
Keywords: Vaccination; Health Care and Treatment; Interpersonal Communication; Communication Technology; Behavior; Health Industry
Patel, Mitesh S., Katherine L. Milkman, Linnea Gandhi, Heather N. Graci, Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Seung Hyeong Lee, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A Randomized Trial of Behavioral Nudges Delivered through Text Messages to Increase Influenza Vaccination among Patients with an Upcoming Primary Care Visit." American Journal of Health Promotion 37, no. 3 (2023): 324–332.
- 2021
- Working Paper
The Contribution of High-Skilled Immigrants to Innovation in the United States
By: Shai Bernstein, Rebecca Diamond, Abhisit Jiranaphawiboon, Timothy McQuade and Beatriz Pousada
We characterize the contribution of immigrants to US innovation, both through their direct productivity as well as through their indirect spillover effects on their native collaborators. To do so, we link patent records to a database containing the first five digits of... View Details
Keywords: Innovation; Economic Growth; Immigrants; Innovation and Invention; Collaborative Innovation and Invention; Patents; Innovation Strategy
Bernstein, Shai, Rebecca Diamond, Abhisit Jiranaphawiboon, Timothy McQuade, and Beatriz Pousada. "The Contribution of High-Skilled Immigrants to Innovation in the United States." Harvard Business School Working Paper, No. 22-065, December 2021. (NBER Working Paper Series, No. 30797, December 2022.)
- October 2022
- Article
Amplification in the Evaluation of Multiple Emotional Expressions over Time
By: Amit Goldenberg, Jonas Schöne, Zi Huang, Timothy D. Sweeny, Desmond C. Ong, Timothy Brady, Maria M. Robinson, David Levari, Jamil Zaki and James J. Gross
Social interactions are dynamic and unfold over time. To make sense of social interactions, people must aggregate sequential information into summary, global evaluations. But how do people do this? Here, to address this question, we conducted nine studies (N = 1,583)... View Details
Goldenberg, Amit, Jonas Schöne, Zi Huang, Timothy D. Sweeny, Desmond C. Ong, Timothy Brady, Maria M. Robinson, David Levari, Jamil Zaki, and James J. Gross. "Amplification in the Evaluation of Multiple Emotional Expressions over Time." Nature Human Behaviour 6, no. 10 (October 2022): 1408–1416.
- 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).
- January 2022
- Article
Who Creates New Firms When Local Opportunities Arise?
By: Shai Benjamin Bernstein, Emanuele Colonnelli, Davide Malacrino and Timothy McQuade
We examine the characteristics of the individuals who become entrepreneurs when local opportunities arise. We identify local demand shocks by linking fluctuations in global commodity prices to municipality level agricultural endowments in Brazil. We find that the firm... View Details
Keywords: Firms; Entrepreneurs; Demand Shocks; Entrepreneurship; Personal Characteristics; Demographics; Opportunities; Brazil
Bernstein, Shai Benjamin, Emanuele Colonnelli, Davide Malacrino, and Timothy McQuade. "Who Creates New Firms When Local Opportunities Arise?" Journal of Financial Economics 143, no. 1 (January 2022): 107–130.
- Article
Megastudies Improve the Impact of Applied Behavioural Science
By: Katherine L. Milkman, Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Pepi Pandiloski, Yeji Park, Aneesh Rai, Max Bazerman, John Beshears, Lauri Bonacorsi, Colin Camerer, Edward Chang, Gretchen Chapman, Robert Cialdini, Hengchen Dai, Lauren Eskreis-Winkler, Ayelet Fishbach, James J. Gross, Samantha Horn, Alexa Hubbard, Steven J. Jones, Dean Karlan, Tim Kautz, Erika Kirgios, Joowon Klusowski, Ariella Kristal, Rahul Ladhania, Jens Ludwig, George Loewenstein, Barbara Mellers, Sendhil Mullainathan, Silvia Saccardo, Jann Spiess, Gaurav Suri, Joachim H. Talloen, Jamie Taxer, Yaacov Trope, Lyle Ungar, Kevin G. Volpp, Ashley V. Whillans, Jonathan Zinman and Angela L. Duckworth
Policy-makers are increasingly turning to behavioural science for insights about how to improve citizens’ decisions and outcomes. Typically, different scientists test different intervention ideas in different samples using different outcomes over different time... View Details
Milkman, Katherine L., Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Pepi Pandiloski, Yeji Park, Aneesh Rai, Max Bazerman, John Beshears, Lauri Bonacorsi, Colin Camerer, Edward Chang, Gretchen Chapman, Robert Cialdini, Hengchen Dai, Lauren Eskreis-Winkler, Ayelet Fishbach, James J. Gross, Samantha Horn, Alexa Hubbard, Steven J. Jones, Dean Karlan, Tim Kautz, Erika Kirgios, Joowon Klusowski, Ariella Kristal, Rahul Ladhania, Jens Ludwig, George Loewenstein, Barbara Mellers, Sendhil Mullainathan, Silvia Saccardo, Jann Spiess, Gaurav Suri, Joachim H. Talloen, Jamie Taxer, Yaacov Trope, Lyle Ungar, Kevin G. Volpp, Ashley V. Whillans, Jonathan Zinman, and Angela L. Duckworth. "Megastudies Improve the Impact of Applied Behavioural Science." Nature 600, no. 7889 (December 16, 2021): 478–483.
- Summer 2021
- Book Review
Review of Music and Capitalism: A History of the Present by Timothy D. Taylor
Kominers, Scott Duke. "Review of Music and Capitalism: A History of the Present by Timothy D. Taylor." Ethnomusicology 65, no. 2 (Summer 2021).
- Article
A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment
By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via... View Details
Keywords: Vaccination; COVID-19; Nudge; Influenza; Field Experiment; Health; Communication Strategy; Behavior
Milkman, Katherine L., Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment." e2101165118. Proceedings of the National Academy of Sciences 118, no. 20 (May 18, 2021).
- October 2018 (Revised January 2019)
- Case
The Financial Crisis: Timothy Geithner and the Stress Tests
In February and March 2009, the U.S. economy was in the midst of a terrifying financial and economic crisis. Between the beginning of 2008 and early 2009, four of the 25 largest U.S. financial institutions had failed, and nine of these 25 institutions had taken... View Details
Keywords: Bailout; Regulation; Stress Test; Financial Crisis; History; Economy; Policy; Governing Rules, Regulations, and Reforms; Decision Making; Banking Industry; Financial Services Industry; Real Estate Industry; United States
Hanson, Samuel G., Robin Greenwood, David Scharfstein, and Adi Sunderam. "The Financial Crisis: Timothy Geithner and the Stress Tests." Harvard Business School Case 219-038, October 2018. (Revised January 2019.)
- October 2018 (Revised January 2019)
- Case
The Financial Crisis: Hank Paulson in 2008
On the afternoon of Monday October 13, 2008, Hank Paulson Jr., the Secretary of the Treasury of the United States, walked into the large conference room across the hall from his office in the Treasury Department. Joining him were Federal Reserve Chairman Ben Bernanke,... View Details
Keywords: Bailout; Regulation; Financial Crisis; History; Governing Rules, Regulations, and Reforms; Decision Making; Banking Industry; Financial Services Industry; Real Estate Industry; United States
Sunderam, Adi, Robin Greenwood, Sam Hanson, and David Scharfstein. "The Financial Crisis: Hank Paulson in 2008." Harvard Business School Case 219-037, October 2018. (Revised January 2019.)
- May 2018
- Case
Environmental Platform LEEDership at USGBC
By: Michael W. Toffel, Timothy S. Simcoe and Aldo Sesia
By 2018, it was clear that U.S. Green Building Council (USGBC) had significantly contributed to the growth of green building and over its 25-year history had become a powerful brand in the construction sector with its Leadership in Energy and Environmental Design... View Details
Keywords: Environmental Sustainability; Standards; Business Model; Leadership; Problems and Challenges; Construction Industry; Green Technology Industry
Toffel, Michael W., Timothy S. Simcoe, and Aldo Sesia. "Environmental Platform LEEDership at USGBC." Harvard Business School Case 618-027, May 2018.
- February 2018 (Revised December 2019)
- Case
The Tax Man: Taxes in Private Equity Real Estate
By: Nori Gerardo Lietz, Timothy J. Becker, Ricardo Andrade and Sayiddah F. McCree
In January 2018, Caelan Langan, an associate at KSW Partners LLC (“KSW”), was asked by Katherine Scott, the partner for whom he worked, to recommend a proposed structure to acquire a prominent office building in San Francisco for their most recent fund. Caelan was... View Details
Keywords: Real Estate; Alternative Investment Structures; Property; Acquisition; Private Equity; Investment; Management; Taxation; Policy
Lietz, Nori Gerardo, Timothy J. Becker, Ricardo Andrade, and Sayiddah F. McCree. "The Tax Man: Taxes in Private Equity Real Estate." Harvard Business School Case 218-077, February 2018. (Revised December 2019.)
- November 2014
- Article
Government Green Procurement Spillovers: Evidence from Municipal Building Policies in California
By: Timothy Simcoe and Michael W. Toffel
We study how government green procurement policies influence private-sector demand for similar products. Specifically, we measure the impact of municipal policies requiring governments to construct green buildings on private-sector adoption of the U.S. Green Building... View Details
Keywords: Public Procurement; Green Building; Quality Certification; Environmental Policy; Buildings and Facilities; Environmental Sustainability; Policy; Government and Politics; Green Technology Industry; Public Administration Industry; California
Simcoe, Timothy, and Michael W. Toffel. "Government Green Procurement Spillovers: Evidence from Municipal Building Policies in California." Journal of Environmental Economics and Management 68, no. 3 (November 2014): 411–434. (Lead article.)
- May 2014
- Article
Mobile Computing: The Next Platform Rivalry
By: Timothy Bresnahan and Shane Greenstein
Competition to become one of several dominant mobile platforms is intense. Platforms compete for developers, who create applications which make the platform valuable for users. Why doesn't one form of platform governance emerge as superior? This essay will stress the... View Details
Bresnahan, Timothy, and Shane Greenstein. "Mobile Computing: The Next Platform Rivalry." American Economic Review: Papers and Proceedings 104, no. 5 (May 2014): 475–480.
- December 2012
- Background Note
Are Daily Deals Good for Merchants?
By: Sunil Gupta, Timothy Keiningham, Ray Weaver and Luke Williams
In the relatively short time since Groupon was founded, the response to "daily deals"—services that promote businesses by marketing deeply discounted, pre-paid vouchers to an online subscriber base—has by all accounts been spectacular. Our evaluation of daily deals is... View Details
Keywords: Marketing; Technology; Business Strategy; Digital; Marketing Strategy; Web Services Industry
Gupta, Sunil, Timothy Keiningham, Ray Weaver, and Luke Williams. "Are Daily Deals Good for Merchants?" Harvard Business School Background Note 513-059, December 2012.
- 2012
- Chapter
Schumpeterian Competition and Diseconomies of Scope: Illustrations from the Histories of Microsoft and IBM
By: Timothy F. Bresnahan, Shane Greenstein and Rebecca M. Henderson
We address a longstanding question about the causes of creative destruction. Dominant incumbent firms, long successful in an existing technology, are often much less successful in new technological eras. This is puzzling, since a cursory analysis would suggest that... View Details
Keywords: Technological Innovation; Opportunities; Competition; Information Technology; Innovation and Management; Organizations; Relationships; Information Technology Industry
Bresnahan, Timothy F., Shane Greenstein, and Rebecca M. Henderson. "Schumpeterian Competition and Diseconomies of Scope: Illustrations from the Histories of Microsoft and IBM." In The Rate and Direction of Inventive Activity Revisited, edited by Josh Lerner and Scott Stern. University of Chicago Press, 2012.
- Article
Hinged Dissections Exist
By: Timothy G. Abbott, Zachary Abel, David Charlton, Erik D. Demaine, Martin L. Demaine and Scott Duke Kominers
We prove that any finite collection of polygons of equal area has a common hinged dissection. That is, for any such collection of polygons there exists a chain of polygons hinged at vertices that can be folded in the plane continuously without self-intersection to form... View Details
Abbott, Timothy G., Zachary Abel, David Charlton, Erik D. Demaine, Martin L. Demaine, and Scott Duke Kominers. "Hinged Dissections Exist." Discrete & Computational Geometry 47, no. 1 (January 2012): 150–186.
- 2001
- Article
The Economic Contribution of Information Technology: Towards Comparative and User Studies
By: Timothy F. Bresnahan and Shane Greenstein
By what process does technical change in information technology (IT) increase economic welfare? How does this process result in increases in welfare at different rates in different countries and regions? This paper considers existing literature on measuring the... View Details
Bresnahan, Timothy F., and Shane Greenstein. "The Economic Contribution of Information Technology: Towards Comparative and User Studies." Journal of Evolutionary Economics 11 (2001): 95–118.