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Grushka-Cockayne, Yael

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A/B Testing at Vungle

Two 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. ...

Fair Play at Chisholm University

Chisholm University's new athletics director must reallocate the athletics budget in its entirety, balancing legal obligations with broader educational and financial goals. A committee appointed to work on this issue had failed to reach consensus due to disagreements about how to comply with Title IX, the law mandating gender parity in all educational offerings, including athletics. The athletics ...

Flex Technology

After years of development, William Krause knew that 2014 was the year to "go big or go home." His Flexible Herbert Screw, a medical device intended to support the healing of fractured collarbones (clavicles), was ready for launch, and he had accumulated the necessary cash?$1 million by his reckoning?needed to comfortably see him through the start-up phase. Although evidence in favor of the invasi ...

HealthCare.gov

This case follows the rollout of HealthCare.gov, the website that allows consumers to compare plans and purchase health insurance online as part of the Patient Protection and Affordable Care Act. The website was plagued with problems from the start, including missed launch dates, faulty functionality, and ballooning costs. But despite the issues, was the project a success? ...

New York City Department of Parks and Recreation

In January 2013, John C. Liu, New York City's comptroller, wrote to the residents of the city about his audit of the New York City Department of Parks and Recreation (DPR). Liu summarized his office's findings: "The audit found that DPR was not carrying out and overseeing capital construction projects in a timely and cost effective manner." To investigate the existence of the "planning fallacy" in ...

Ocean's Dilemma

The 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 ou ...

Opening Casino Jack

Temple Fennell, CEO of ATO Pictures, recalled the distribution of ATO's first U.S. film, Casino Jack, starring Kevin Spacey. He reflected on the red carpet thrills during the opening week in December 2010, and the excitement surrounding Spacey's Golden Globe nomination. At the same time, he was reminded of the challenging decisions he and his team had had to make regarding the film's advertising ...

Set in Stone

In 2013, the new general manager at Dominion Granite and Marble (DGM), a successful Virginia granite-fabrication company, was convinced DGM would benefit from substantially speeding up its sales process. Getting quotes in the hands of potential customers quickly was the first step. In particular, a new website with online quotation capabilities would go a long way toward capitalizing on the traffi ...

SunRay's Photovoltaic Power Plant

SunRay, a solar company, is about to embark on its biggest project yet?the construction of a photovoltaic plant at Giordano Mall, a big shopping complex outside Rome. The project manager's first task it to figure out how long the project will take. The case offers us an in-depth look at and understanding of the project plan and a clear description of some of the major uncertainties and risks invol ...

Surveying Professional Forecasters

This case illustrates how averaging point forecasts harnesses the wisdom of crowds. Students access data from the Survey of Professional Forecasters (SPF) and compare the performance of the crowd (i.e., the average point forecasts) to the average performance of the individual panelists and the best performer from the previous period.The case is intended for use in a class on forecasting, and the i ...

Toward a Single European Sky

To meet rising traffic projections over the next 20 years, Eurocontrol must develop Europe's first uniform air traffic control standards. This case illustrates the usefulness of management science methods for obtaining agreement and commitment among stakeholders. ...

Ballis's Benchmark (A)

In 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 p ...
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