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How do you use a decision tree to decide whether to build a small or a large plant at a new location?

A manufacturer must decide whether to build a small or a large plant at a new location. Demand at the location can be either small or large, with probabilities estimated to be 0.4 and 0.6 respectively. If a small plant is built, and demand is large, the production manager may choose to maintain the current size or to expand. The net present value of profits is $223,000 if the firm chooses not to expand. However, if the firm chooses to expand, there is a 50% chance that the net present value of the returns will be 330,000 and 50% chance the estimated net present value of profits will be $210,000. If a small facility is built and demand is small, there is no reason to expand and the net present value of the profits is $200,000. However, if a large facility is built and the demand and the demand turns out to be small, the choice is to do nothing with a net present value of $40,000 or to stimulate demand through local advertising. The response to advertising can be either modest with a probability of .3 or favorable with a probability of .7. If the response to advertising is modest the net present value of the profits is $20,000. However, if the response to advertising is favorable, then the net present value of the profits is$220,000. Finally, the when large plant is built and the demand happens to be high, the net present value of the profits $800,000. Draw a decision tree and determine the payoff for each decision and event node. Which alternative should the manufacturer choose and what is the expected value?

Solution Summary

This 320 word solution includes diagrams of decision trees and expected value calculations to compare options and make a desion.

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