David Bell
755 Jon M. Huntsman Hall
3730 Walnut Street
University of Pennsylvania
Philadelphia, PA19104-6304
Phone: (215) 898-8253
Fax: (215) 898-2534
davidb@wharton.upenn.edu

Personal Website

Research Interests: E-commerce and inter-dependent choice: space-time diffusion, social contagion, and neighborhood effects. Traditional retail and individual choice: impulse and unplanned buying.
Current Projects:
E-commence and inter-dependent choice: (1) customer acquisition through search and word-of-mouth, and (2) location-based drivers or online and offline word-of-mouth. Traditional retail and individual choice: (1) cultural drivers of unplanned buying.
 
 

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David Bell
Xinmei Zhang and Yongge Dai Professor, Professor of Marketing


Professor Bell is an expert in consumer shopping behavior. Most of his current research focuses on theories and explanations for geographic variation in Internet retail performance. Recent articles explain the effect of physical location on customer acquisition, contagion effects among co-located consumers, and the effect of preference isolation on online demand. Other projects focused on traditional retail settings explore unplanned and impulse buying, and consumer amortization strategies for fixed shopping costs. Previous articles explained consumer store choice among retailers with different pricing strategies, the effect of reference point formation on consumer response to promotions, and the effect of structural factors (e.g., dwelling size) on consumer shopping strategies.

Professor Bell’s research is published in all of the premier academic marketing journals: Journal of Consumer Research, Journal of Marketing, Journal of Marketing Research, Management Science, Marketing Science, and Quantitative Marketing and Economics. He has won several teaching and research awards, including the MBA Core Curriculum Award, Miller-Sherrerd MBA Core Teaching Award, MBA for Executives Excellence in Teaching Award, the Frank M. Bass Outstanding Dissertation Award, three John D.C. Little Best Paper Finalist Awards, and two INFORMS Marketing Science Long Term Impact Finalist Awards.

Professor Bell serves as an expert witness in intellectual property matters pertaining to individual choice behavior. Recent representative cases include Sky Technologies LLP v. SAP, Individual Network LLC v. Apple Inc., and Two-Way Media LLC v. America Online, Inc. (all on behalf of the plaintiff; retained by Susman Godfrey LLP). He also advises and invests in Internet retail startups.

Professor Bell teaches Marketing Management in the Wharton MBA and MBA for Executives Programs and Empirical Modeling in PhD program. He also teaches in the Advanced Management Program and custom Wharton Executive Education programs for clients including AXA, Korean Marketing Association, Philips, Rohm and Haas, and Siam Cement Group.

Professor Bell is an Area Editor for Manufacturing and Service Operations Management, and on the editorial boards of International Journal of Research in Marketing, Journal of Marketing, Journal of Marketing Research, Journal of Retailing, and Marketing Science. He holds a Ph.D. from the Graduate School of Business at Stanford University, an MS in Statistics from Stanford University, an MA (Honorary) from the University of Pennsylvania, an M.Com (1st Class Honors) and B.Com from the University of Auckland, New Zealand.

Current Research Papers
Ka Lok Lee, David Bell (2009), A Negative Spatial Binomial Regression of Individual-level Count Data with Region and Person-Specific Covariates
David Bell, Jeongwen Chiang, George Knox (2008), The Found Money Effect of Coupons in Many Categories
David Bell, Skander Essegaier, Yinghui Yang (2007), The Fixed Costs of Shopping on the Internet
JeongHye Choi, David Bell (2006), Virtual Agglomeration of Physically Distant Types: Similarity Among Users of an Internet Retailing Service
Randolph E. Bucklin, Catarina Sismeiro, David Bell (2000), Consumer Shopping Behaviors and In-Store Expenditure Decisions

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Publications
Jeonghye Choi, David Bell (2011), Preference Minorities and the Internet, Journal of Marketing Research, 58 (August), 670-682
Jeonghye Choi, David Bell, Leonard Lodish (2011), Traditional and IS-enabled Customer Acquisition on the Internet, Management Science
David Bell, Daniel Corsten, George Knox (2011), From Point-of-Purchase to Path-to-Purchase: How PreShopping Factors Drive Unplanned Buying, Journal of Marketing, 75 (January), 31-45.
Robert Meyer et al, David Bell (2010), Behavioral Research and Empirical Modeling of Marketing Channels, Marketing Letters, 21 (3), 301-315
David Bell, Daniel Corsten, George Knox (2010), Unplanned Buying on Shopping Trips, Marketing Science Institute Working Paper, 4-1670

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Awards
Miller-Sherrerd MBA Core Teaching Award, 2006, 2007, 2009, 2011
2010 AMA Innovation, Technology and Interactivity Best Article of the Year, 2011
Finalist, INFORMS Long Term Impact Award for Marketing Science, 2010
Finalist, INFORMS Long Term Impact Award for Marketing Science, 2009
MBA Core Curriculum Award, "Above and beyond call of duty", 2009

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Executive Education
Rohm and Haas Marketing Strategy, Start - 01/16/2005 End - 02/18/2008
Korean Marketing Association CEO Institute, Korea, Start - 07/19/2007 End - 05/03/2011
Advanced Management Program, Start - 07/17/2006
AXA Global At Retirement Forum, France, Start - 10/18/2006
MEPI Legal and Business Fellowship, Philadelphia, Start - 04/10/2008

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Knowledge@Wharton Subscribe
New Retail Strategies: Offering a Better Fit for Today's Careful Consumers (08/31/2011)
Want to Rent out That Spare Room? The Growing Popularity of 'Collaborative Consumption' (08/25/2011)
Can J.C. Penney's New CEO Reinvent the Department Store? (07/20/2011)
Many-stop Shopping? How Niche Retailers Are Thriving on Internet 2.0 (05/11/2011)
Nickeled and Dimed: Is It Possible to 'Over-fee' Consumers? (04/13/2011)
Power to the People or Just a Fad? Forecasting the Future of Group Buying Sites (11/10/2010)
Can Twitter Promote Itself into Profitability? (05/26/2010)
Geography Lesson: Why Internet Retailers Should Pay Attention to Where Potential Customers Live (03/17/2010)
Company Stores vs. Independent Retailers: Clash or Peaceful Coexistence? (10/28/2009)
Not on the List? The Truth about Impulse Purchases (01/07/2009)