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Introduction to Analytical Probability Distributions
Carraway, Robert L.; Jenkins, RobertNota técnica DARDEN-QA-0690-EAnálisis de decisionesThis technical note provides a mostly nontechnical introduction to analytical probability distributions. The distributions covered are: uniform, triangular, normal, Poisson, exponential, lognormal, and binomial.Desde 8,20 €
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Dow Chemical U.S.A.: Capacity Expansion
Carraway, Robert L.Caso DARDEN-QA-0411-EAnálisis de decisionesDow Chemical U.S.A. is faced with the decision of where to locate a new chemical reactor. Three current plants sites are being considered. Economic planner John Lewis has been charged with analyzing the impact of the reactor location on distribution costs. Though not suggested in the case, it is possible to construct a linear programming model to assist him in his analysis.Desde 8,20 €
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Jaikumar Textiles, Ltd. (B): The Nylon Division
Carraway, Robert L.Caso DARDEN-QA-0391-EAnálisis de decisionesIn this case, a second constraining resource is introduced to the decision environment of the A case (UVA-QA-0364), making linear programming appropriate and useful. Because there are two decision variables, the problem can be solved graphically. A set of memoranda to the decision maker in the case motivates discussion of a shadow price and its associated range.Desde 5,74 €
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Flex Technology
Grushka-Cockayne, Yael; Carraway, Robert L.; Sorenson, TravisCaso DARDEN-QA-0811-EAnálisis de decisionesAfter 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 invasive device was still inconclusive, other key player...Desde 8,20 €
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Analyzing Uncertainty: Probability Distributions and Simulation
Carraway, Robert L.Nota técnica DARDEN-QA-0660-EAnálisis de decisionesThis note introduces simulation as a tool to analyze uncertainty in business decisions. It first observes the limitations of single point or simple range estimates of key uncertainties, thereby motivating the need to create a risk profile for any alternative that characterizes the full range of possible outcomes and their relative likelihoods. A simple example involving both a discrete and a continuous (triangle) distribution is used. The note is...Desde 8,20 €
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Jaikumar Textiles, Ltd. (A): The Nylon Division
Carraway, Robert L.Caso DARDEN-QA-0364-EAnálisis de decisionesThis case is a good introductory linear-programming case; it introduces the notion of constraint exploitation and provides practice in deciding between alternative forecasting techniques (including exponential smoothing). The case contains a decision-uncertainty structure. A production planner must determine whether or not to take a contract for future delivery of a specified product at a stated price. The decision will affect the production mix ...Desde 8,20 €
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The Mathematics of Optimization
Carraway, Robert L.Nota técnica DARDEN-QA-0683-EAnálisis de decisionesIn “Introduction to Optimization Models” (UVA-QA-0682), we explored the basics of using optimization models, or mathematical programming. In this technical note, we turn our attention to the mathematics underlying optimization. While not essential, a deeper understanding of the math can help you become a significantly more effective and efficient user of optimization models. It is well worth the investment if you anticipate using optimization on ...Desde 8,20 €
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Introduction to Optimization Models
Carraway, Robert L.Nota técnica DARDEN-QA-0682-EAnálisis de decisionesWe refer to a model that uses mathematical programming to find an optimal quantity as an optimization model. Thus, an optimization model differs from an evaluation model in that it goes beyond simply evaluating the consequences of proposed alternatives: It actually identifies the “optimal” alternative. How does an optimization model accomplish this impressive task? In this age of readily available computing power and ever more user-friendly softw...Desde 8,20 €