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Examining Supply-Side Benefits of Virtual Teaching
Ann C. Frost; Tony S. FrostArticle IVEY-9B20TC02-EStrategySome physical classroom experiences can’t be beat, but moving university programs online offers instructors unexpected advantages.Starting at €8.20
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Ocean's Dilemma
Grushka-Cockayne, Yael; Lichtendahl, Kenneth C. Jr.; Gupta, RohitCase DARDEN-QA-0798-EDecision AnalysisThe case is intended for a class relatively early in a decision analysis or a risk analysis class module. The case can be used as the very first case in the course if students are familiar with the concepts of NPV. Alternatively, students can be given a short technical note on calculating NPV for cash flows as pedagogy for the case. The analysis requires use of NPV calculations to determine the outcomes of different options in the case and to cho...Starting at €8.20
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Ballis's Benchmark (A)
Lichtendahl, Kenneth C. Jr.; Grushka-Cockayne, YaelCase DARDEN-F-1621-EFinanceIn this case series, Margaret Ballis, a soon-to-be Darden School of Business graduate, is about to begin her dream job at a leading investment management firm. On her way to becoming a fund manager, she cannot help wondering about her future success. Ballis is trying to assess her ability to consistently outperform the stock market; she questions whether it is even possible to achieve persistent performance as a fund manager. Using data downloade...Starting at €8.20
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Ballis's Benchmark (B)
Lichtendahl, Kenneth C. Jr.; Grushka-Cockayne, YaelCase DARDEN-F-1622-EFinanceIn this case series, Margaret Ballis, a soon-to-be Darden School of Business graduate, is about to begin her dream job at a leading investment management firm. On her way to becoming a fund manager, she cannot help wondering about her future success. Ballis is trying to assess her ability to consistently outperform the stock market; she questions whether it is even possible to achieve persistent performance as a fund manager. Using data downloade...Starting at €5.74
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Kyle Evans at Ruffian Apparel: Staffing a Retail Establishment
Ann C. Frost; Kevin HewinsCase IVEY-9B09C008-ELeadership and People ManagementRuffian Kelowna, one of 19 British Columbia Ruffian Apparel locations, is underperforming. Recent management turnover and low unemployment in the region have left Kelowna short-staffed and in need of a new store manager to take over for the interim manager. Both sales and performance results are far below acceptable levels, and the store appears to be floundering. The newly hired B.C. regional manager for Ruffian Apparel is looking into the probl...Starting at €8.20
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Scoring Expert Forecasts
Lichtendahl, Kenneth C. Jr.; Grushka-Cockayne, YaelTechnical Note DARDEN-QA-0772-EDecision AnalysisThis technical note, based on the more comprehensive note, "Eliciting and Evaluating Expert Forecasts" (UVA-QA-0734), provides a streamlined presentation of Brier and log scores as tools for assessing forecasting records among a pool of experts. The note is designed to be used in conjunction with a forecasting exercise.Starting at €8.20
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A/B Testing at Vungle
Grushka-Cockayne, Yael; Lichtendahl, Kenneth C. Jr.; De Reyck, Bert; Fragkos, IoannisCase DARDEN-QA-0821-EDecision AnalysisTwo recently graduated MBA students are tasked with developing an ad-serving learning algorithm for a mobile ad-serving company. The case illustrates the way in which hypotheses can be tested in an A/B format or "horse race" in order to establish customer preferences and superior profitability. The case was written for a course elective covering hypothesis testing.Starting at €8.20
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Segmenting Clinton and Obama Voters
Lichtendahl, Kenneth C. Jr.; Gupta, RohitCase DARDEN-QA-0807-EDecision AnalysisThe purpose of this case is to introduce data visualization, advanced regression techniques, and supervised learning. Students are asked to visualize data geographically and in scatterplots. They will use stepwise regression and regression trees to select a predictive model for forecasting data in a holdout sample. In a forecasting competition, they will submit their models to be tested for accuracy. Supervised learning techniques-such as trainin...Starting at €8.20
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DIY Zillow
Lichtendahl, Kenneth C. Jr.; Boatright, Benjamin; Andrasko, JoeCase DARDEN-QA-0931-EDecision AnalysisThis case examines a realtor’s attempt to improve an online residential real estate website’s mapping and home estimation features. With the help of a data scientist, the two professionals work to create an interactive map that provides greater filtering capabilities and improved school boundary views, allowing clients to easily locate homes in their desired school districts. In addition to the visualization enhancements, they also build a simple...Starting at €8.20
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Eliciting and Evaluating Expert Forecasts
Lichtendahl, Kenneth C. Jr.Technical Note DARDEN-QA-0734-EDecision AnalysisThis note emphasizes the idea that managers will often want to ask experts to express their opinions about important business risks using the precise language of probability. Examples are drawn from the 2008 financial crisis and involve value-at-risk financial reporting. The second half of this note explains how a manager might use a scoring rule to evaluate the quality of experts' probability forecasts. This note is intended to accompany an inst...Starting at €8.20