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Principles and Practices of Management




                    Notes          5.  Forecasting helps in minimising the costly planning errors.
                                   6.  Effective forecasting helps in identifying the environmental forces and assists in providing
                                       for these challenges, though in an imperfect way. Without business forecasting, individuals
                                       as well as organisations are at the mercy of future events.
                                   7.  Forecasting also helps in preparing  the organisation for future crisis and  emergencies.
                                       The organisation, through adequate planning measures, can buffer itself against many, if
                                       not all, of  these unexpected  changes. It  may be  impossible to  evolve necessary shock
                                       absorbers completely guard against business cycles but at least their impact can be fairly
                                       assessed, and the unfavourable consequences can be minimised.
                                   8.  It supplies vital information regarding the weak spots in the organisation thereby paving
                                       the way to appropriate control. Once such areas are spotted, it is easy for managers to
                                       establish checkposts for effective control and sound planning thereafter.

                                   4.1.4 Limitations of Forecasting

                                   Forecasts are only estimates of future conditions and not indicators of actual position. Future is
                                   shrouded by shadows of uncertainty. It is quite possible that, because of uncertainty, the best
                                   possible plan may result in losses and a bad plan in profits. Uncertainty always places severe
                                   limitations on the efficacy of forecasting. Forecasting suffers from the following limitations:
                                   1.  Reliability of past data. Although past events are analyzed as a  guide to  the future, a
                                       question is raised as to the accuracy of these recorded events.
                                   2.  Accurate judgment is needed to identify key factors entering  the forecast, interpreting
                                       data and selecting methods of analysis and applying them to problems.

                                   3.  Single figure  forecasts may be unsatisfactory, as there  is a  need for probability to be
                                       attached, thereby evaluating the likelihood of the event occurring.
                                   4.  A  successful forecast is something  of a miracle and  often occurs  for wrong reasons.
                                       Prophesies of future events is hazardous and in the case of business undertakings operating
                                       in highly volatile and turbulent environments, forecasting is meaningless.
                                   5.  Forecasting is based largely on predictions and assumptions. Guesswork, however perfectly
                                       made, cannot eliminate the margin of error, the possibility of mistakes.

                                   6.  The forecasting techniques have not been fully developed as yet and there is no fool proof
                                       method  of predicting  the future. Thus forecasting is more of an  art than a science. Its
                                       success largely depends  on how  skillfully it  is put  into practice,  how  effectively  the
                                       forecasting techniques have been made, etc.

                                   4.1.5  Techniques of Forecasting

                                   Many scholars have proposed a variety of ways to categorize forecasting methodologies. The
                                   following classification is a modification of the classification  developed by Gordon over two
                                   decades ago:

                                   1.  Genius forecasting: This method is based on a combination of intuition, insight, and luck.
                                       Psychics and crystal ball readers are the most extreme case of genius forecasting. Their
                                       forecasts are based exclusively  on intuition.  Science  fiction  writers have  sometimes
                                       described new technologies with uncanny accuracy.
                                   2.  Trend extrapolation: These methods examine trends and cycles in historical data, and then
                                       use mathematical techniques to extrapolate to the future. The assumption of all these




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