By Phillip Crowson (auth.)
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Extra resources for Economics for Managers: A Professionals’ Guide
Sensitivity checks show the effect on the expected return of varying anyone of these factors independently. Whilst providing no overall measure of the degree of uncertainty , sensitivity anal ysis is useful in showing the most critical areas of an investment project. (e) Weighted returns Quick indications of a project's worth may often be needed . One possibility is to make three estimates of the expected cash flows: The most likely outcome. A fairly optimistic estimate. A moderately pessimistic view.
Graphical presentation enables the salient features of a situation to be grasped quickly and a decision to be made on the basis of the main variables. It helps management to see the wood without too close a look at all the component trees. In practice, most managers suffer from a desire to see all the 'pertinent facts' , and call for all the detailed costs behind break-even charts until they become overborne by detail. Such a habit should be firmly resisted; only the relevant facts are necessary for a decision, and it is rarely necessary to know all cost details.
Incremental analysis shows that ifthere is idle capacity it may well pay to take such business. Orders at prices below full costs are worthwhile as long as the additional revenue associated with them exceeds the additional costs involved. Depreciation or overheads that would be incurred irrespective of the decision are not relevant. Obviously the comparison of incremental costs and revenues is not the only relevant factor involved in such decisions, even though important. Long term policies may require a decision contrary to incremental analysis.