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In early 2009, Wal-Mart executive Andy Barron realized the firm's lighting business was facing a challenge. After achieving a goal of selling 100 million compact fluorescent light (CFL) bulbs by the end of 2007, sales of the energy-efficient bulbs had started to plateau, leading to a dim outlook for 2009. Barron needed to examine what barriers might be keeping consumers from adopting more of the bulbs, which offer both cost savings and environmental benefits. In this 2-part case students study the historic price points and sales of CFL bulbs, Wal-Mart's 2007 promotion of CFL lighting, and research about consumer adoption of the bulbs in order to understand how the retailer might achieve its goals. The case asks: How can consumer habits be changed? How can new products overcome barriers to adoption? What can managers do to promote sales of new products, given human behavior where biases, values and emotions have an impact on the choices people make? How can economic theories explain consumer behavior as it occurs in the real world? The Epilogue to the first case asks students to discuss what developments occurred after the 2009 implementation and how they impacted CFL sales.

In early 2009, Wal-Mart executive Andy Barron realized the firm's lighting business was facing a challenge. After achieving a goal of selling 100 million compact fluorescent light (CFL) bulbs by the end of 2007, sales of the energy-efficient bulbs had started to plateau, leading to a dim outlook for 2009. Barron needed to examine what barriers might be keeping consumers from adopting more of the bulbs, which offer both cost savings and environmental benefits. In this 2-part case students study the historic price points and sales of CFL bulbs, Wal-Mart's 2007 promotion of CFL lighting, and research about consumer adoption of the bulbs in order to understand how the retailer might achieve its goals. The case asks: How can consumer habits be changed? How can new products overcome barriers to adoption? What can managers do to promote sales of new products, given human behavior where biases, values and emotions have an impact on the choices people make? How can economic theories explain consumer behavior as it occurs in the real world? The Epilogue to the first case asks students to discuss what developments occurred after the 2009 implementation and how they impacted CFL sales.

When car rental companies sign you up for insurance unless you actively decline it, or software vendors recommend you click "next" for a quick install, they're choosing default options for you - covertly or overtly guiding your choices. Well-designed defaults benefit both company and consumer, simplifying decision making, enhancing customer satisfaction, reducing risk, and driving profitable purchases. Ill-conceived defaults can leave money on the table, fuel consumer backlashes, put customers at risk and trigger lawsuits - costing companies dearly. Despite those high stakes, management pays little attention to default policies. Setting defaults requires companies to balance a complex array of interests, including customers' wishes and the company's desire to maximize profits while minimizing risk. At a basic level, defaults can serve as manufacturer recommendations, and more often than not we're happy with what we get. Most companies also strive to set defaults in ways that align with customers' preferences. In its online auto configurator, for example, Audi preselects silver metallic as the default color because it's the most popular. Of course, defaults can be nefarious as well. They have caused many of us to purchase unwanted extended warranties or to inadvertently subscribe to mailing lists, for example. The authors provide a taxonomy of default types and guidance on when - and when not - to use each type. They range from "benign defaults," representing a company's best guess about which single product configuration would be most acceptable to most customers, to "adaptive defaults" that change depending on individual customers' stated preferences.