Publications

2005
Chapter

Paying in Paper: A Government Voucher from the Southern Song

By: William N. Goetzmann and Elisabeth Koll

Keywords: History; Money; China

2020
Working Paper

Paying It Backward and Forward: Expanding Access to Convalescent Plasma Therapy Through Market Design

By: Scott Duke Kominers, Parag A. Pathak, Tayfun Sönmez and M. Utku Ünver

COVID-19 convalescent plasma (CCP) therapy is currently a leading treatment for COVID-19. At present, there is a shortage of CCP relative to demand. We develop and analyze a model of centralized CCP allocation that incorporates both donation and distribution. In order... View Details

Keywords: COVID-19; Convalescent Plasma; Vouchers; Health Pandemics; Health Care and Treatment; Resource Allocation; Market Design

March 2016
Article

To Groupon or Not to Groupon: The Profitability of Deep Discounts

By: Benjamin Edelman, Sonia Jaffe and Scott Duke Kominers

We examine the profitability and implications of online discount vouchers, a relatively new marketing tool that offers consumers large discounts when they prepay for participating firms' goods and services. Within a model of repeat experience good purchase, we examine... View Details

Keywords: Voucher Discounts; Groupon; Experience Goods; Repeat Purchase; Internet and the Web; Marketing Strategy; Marketing Communications

Find at Harvard

2014
Working Paper

~To Groupon or Not to Groupon: The Profitability of Deep Discounts

By: Benjamin G. Edelman

We examine the profitability and implications of online discount vouchers, a relatively new marketing tool that offers consumers large discounts when they prepay for participating firms' goods and services. Within a model of repeat experience good purchase, we examine... View Details

Keywords: Voucher Discounts; Groupon; Experience Goods; Repeat Purchase; Online Advertising; Price; Profit; Marketing Strategy; Retail Industry

SSRN

10 Jan 2011
Research & Ideas

Is Groupon Good for Retailers?

At first blush, the two-year-old online start-up Groupon seems a bit audacious. For starters, there's the news that the deal-of-the-day website turned down a $6 billion acquisition offer from Google last month. Then there's the company's business model: selling... View Details

Keywords: by Carmen Nobel; Advertising; Technology

02 Aug 2011
Working Paper Summaries

To Groupon or Not to Groupon: The Profitability of Deep Discounts

Keywords: by Benjamin Edelman, Sonia Jaffe & Scott Duke Kominers; Retail; Technology

2022
Article

Alleviating Time Poverty Among the Working Poor: A Pre-Registered Longitudinal Field Experiment

By: A.V. Whillans and Colin West

Poverty entails more than a scarcity of material resources—it also involves a shortage of time. To examine the causal benefits of reducing time poverty, we conducted a longitudinal feld experiment over six consecutive weeks in an urban slum in Kenya with a sample of... View Details

Keywords: Time; Subjective Well Being; Administrative Costs; Friction; Poverty; Well-being; Money; Perception; Kenya

2010
Working Paper

Cheaper by the Dozen: Using Sibling Discounts at Catholic Schools to Estimate the Price Elasticity of Private School Attendance

By: Susan Dynarski, Jonathan Gruber and Danielle Li

The effect of vouchers on sorting between private and public schools depends upon the price elasticity of demand for private schooling. Estimating this elasticity is empirically challenging because prices and quantities are jointly determined in the market for private... View Details

Keywords: Price; Religion; Entrepreneurship; Education

2014
Working Paper

Contraceptive Access and Fertility: The Impact of Supply-Side Interventions

By: Nava Ashraf, Erica Field and Jessica Leight

Declining fertility in both the developed and developing world has led to large and potentially welfare-enhancing changes in women's labor supply, education and investment in children in recent decades. However, it has been widely noted that the pace of this decline... View Details

Keywords: Fertility; Contraceptive Access; Zambia

November 2012
Teaching Note

Groupon (TN)

By: Sunil Gupta, Ray Weaver and Yien Hao Lock

On November 4, 2011, Groupon, a marketing services company that promoted local businesses by selling deeply discounted vouchers for their products and services, completed its initial public offering that valued the company at $17 billion. Within a year Groupon's share... View Details

Keywords: Social Networking; Media; Technology; Strategy; Business Growth and Maturation; Marketing Strategy; Marketing; Internet and the Web; Social Media; Retail Industry; Service Industry; Technology Industry; North America; United States

March 2011 (Revised August 2012)
Case

Groupon

By: Sunil Gupta, Ray Weaver and Dharmishta Rood

On November 4, 2011, Groupon, a marketing services company that promoted local businesses by selling deeply discounted vouchers for their products and services, completed its initial public offering that valued the company at $17 billion. Within a year Groupon's share... View Details

Keywords: Budgets and Budgeting; Customers; Entrepreneurship; Growth and Development; Marketing Channels; Competitive Strategy; Value Creation

Educators

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

Educators

November 2003 (Revised December 2003)
Background Note

Note on School Choice in U.S. Public Education

This note surveys school choice in the United States. School choice characterizes the school assignment of approximately 56% of U.S. school-aged children and, in order of popularity, can be categorized into seven types: residential choice, private schools, intra- and... View Details

Keywords: Education; United States

Find at Harvard

September 2004 (Revised May 2006)
Case

Bohemian Crowns: Ceskoslovenska Obchodni Banka (A)

By: Rawi E. Abdelal, Vincent Dessain and Monika Stachowiak

Tells the story of the Czech transition from a centrally planned to a free market economy, describing the first economic reforms, the fixed-exchange rate regime, and the voucher privatization. Also explains why, in the middle of the 1990s, the Czech Republic... View Details

Keywords: History; Currency Exchange Rate; Credit; Government Administration; Decisions; Economic Systems; Expansion; Mergers and Acquisitions; Developing Countries and Economies; Banks and Banking; Banking Industry; Czech Republic

Educators

2014
Working Paper

The Psycho-Social Benefits of Access to Contraception: Experimental Evidence from Zambia

By: Nava Ashraf, Marric Buessing, Erica Field and Jessica Leight

In a field experiment in Lusaka, Zambia, married couples in the catchment area of a family planning clinic were randomly assigned to either a treatment group (N=503) or a control group (N=768). Those in the treatment group received vouchers guaranteeing free and... View Details

Keywords: Contraceptive Access; Mental Health; Zambia