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To LED or Not to LED?
Baucells, Manel; Yemen, GerryCase DARDEN-QA-0862-EDecision AnalysisA director of marketing at a major big-box retailer in the United States finds herself overhearing a customer and a lighting specialist discuss the replacement of incandescent and halogen lightbulbs with LEDs in his house. The case provides sufficient data to perform the economic analysis of which lightbulb is more cost effective in terms of net present value. The results are at odds with the student’s intuitions. This case uses a durable consume...Starting at €8.20
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The Elevator Saga
Baucells, Manel; Yemen, GerryCase DARDEN-QA-0866-EDecision AnalysisThis case describes a common situation in old buildings, namely the decision as to whether intall an elevator. In this armchair case, we have an apartment building in Budapest with 3 towers, each containing 24 homeowners, with a possible interest in adding an elevator to each tower of the walk-up building. The case begins by discussing serveral ways to fairly distribute the cost if the elevators are approved. One way is an equal split. The second...Starting at €8.20
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Fannie Mae's Data Dynamics
Lichtendahl, Kenneth C. Jr.; Loutskina, Elena; Grushka-Cockayne, Yael; Yemen, Gerry; Boatright, BenjaminCase DARDEN-QA-0903-EDecision AnalysisThis case uses one of Fannie Mae’s credit-risk transfer instruments (CRT) to explore its data set platform and predict loan defaults through machine learning algorithms. The CRT, called Connecticut Avenue Securities (CAS), issued bonds valued on the performance of preselected pools of mortgages. The material works well to unfold natural language processing using Python. Through a three-class series, students will learn to wrangle data, experience...Starting at €8.20
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Tesla and the Future of Autonomous Driving
Baucells, Manel; Yemen, GerryCase DARDEN-QA-0911-EDecision AnalysisAn investor, Janice Zhuk, examines Tesla’s quarterly safety data that includes the number of miles it took to register one accident among Tesla cars driving with autopilot versus those without autopilot. The data set is small, so the validity of any statistical analysis may be compromised. The data allow one to run a simple t-test comparison of means. Because of the small sample size, the case invites a discussion on the hypothesis of the regress...Starting at €8.20
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Walker Advertising: Los Defensores and 1-800-THE - LAW2
Albert, Michael; Yemen, Gerry; Yeaton, SaulCase DARDEN-QA-0912-EDecision AnalysisWhile organizations have been collecting data for years, not all businesses have the talent, culture, and systems in place in order to take advantage of their data. This case uses Walker Advertising, a company that partnered with law firms to advertise their services, to discuss broader themes around the role of data science in a traditional business. Predictive modeling is a crucial function of business to gain insights around allocating and uti...Starting at €8.20
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Preference for Sequences: Rock Loud and Proud Music Set List
Baucells, Manel; Yemen, GerryCase DARDEN-QA-0856-EDecision AnalysisNumerous situations require sequencing objects. Several factors can be taken into account, such as creating contrast, avoiding satiation, satisfying impatience, or managing anticipation and recall. In this case, the music director of a rock and roll band uses sequencing to order a band’s set list for an upcoming concert. Although the lead singer has chosen 15 songs the music director wants to use her expertise in understanding what factors in a s...Starting at €8.20
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DigiPlex: Future-Ready Data Centers
Grushka-Cockayne, Yael; Yemen, GerryCase DARDEN-QA-0880-EDecision AnalysisThis case is based on DigiPlex, the largest data center provider in Scandinavia. The company plans to build another data center just outside of Stockholm, Sweden. The case asks students to evaluate a project plan and use the data to diagram the critical path. The case opens with DigiPlex chairman Byrne Murphy at the negotiation table with the key anchor customer needed in order to get his newest project off the ground. The project has already bee...Starting at €8.20
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ChinaCarb
Bodily, Samuel E.; Gong, Yandong; Yemen, GerryCase DARDEN-QA-0759-EDecision AnalysisSuitable for MBA, EMBA, GEMBA, and executive education programs, this field-based case offers an opportunity to use simulation modeling to evaluate an investment affected by prices, technical success, and yields from raw materials that are all uncertain in a global context. The company produces pitch-based carbon fiber in China. ChinaCarb’s supplier in Europe has discontinued its production, leaving ChinaCarb with only enough raw materials for on...Starting at €8.20
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Powerball: Somebody’s Gotta Win!
Baucells, Manel; Yemen, GerryCase DARDEN-QA-0857-EDecision AnalysisThe case evolves around the Powerball lottery and the rule changes implemented in 2015, which, among other things, changed the chances of winning the jackpot from 1 in 175 million to 1 in 292 million. What is the impact of such rules on lottery revenues? The expected value rule is unable to explain why people play in the first place and fails to give the appropriate weight to the factors that explain the attractiveness of a lottery. This case is ...Starting at €8.20