To Boost Online Sales, Focus on Close-Knit Communities

David Bell

Word-of-mouth testimonials from consumers are effective in driving online sales. But these signals are even more powerful in communities where people have closer ties and trust each other, according to new research by Wharton marketing professor David Bell and Jae Lee. Read More

Do Organic Results Help or Hurt Sponsored Search Performance?

Published Research

We study the impact of changes in the position of competing listings in organic search results on the performance of sponsored search advertisements. Using data for several keywords from an online retailer’s ad campaign, we measure the impact of organic competition on both click-through rate and conversion rate of sponsored search ads for these keywords.Read More

How to Win in an Omni-channel World

Published Research

Retail customers are now “omnichannel” in their outlook and behavior — they use both online and offline retail channels readily. To thrive in this new environment, retailers of all types should reexamine their strategies for delivering information and products to customers.Read More

Media Multiplexing Behavior: Implications for Targeting and Media Planning

Published Research

There is a growing trend among consumers to serially consume small, incomplete “chunks” of multiple media types—television, radio, Internet, and print—within a short time period. We refer to this behavior as media multiplexing and note the key challenges for integrated marketing communications media planners.Read More

Preference Minorities and the Internet

Published Research

Offline retailers face trading area and shelf space constraints, so they offer products tailored to the needs of the majority. Consumers whose preferences are dissimilar to the majority — “preference minorities” — are underserved offline and should be more likely to shop online. The authors use sales data from Diapers.com, the leading U.S. online retailer for baby diapers, to show why geographic variation in preference minority status of target customers explains geographic variation in online sales.Read More