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Production and Operations Management




                    Notes          Another limitation of  this definition  is that ‘productivity’ defined  in this  manner does  not
                                   identify whether the change  is  due  to  new machinery or  more skilled  labour force.  Both
                                   technological and market elements interact to determine economic productivity.
                                   However, mainly because of the difficulties involved in quantifying various intangible inputs
                                   to total factor productivity, labour productivity is far more widely used. It is important to bear
                                   in mind that labour productivity is affected not only by capital input but also by other factors
                                   which affect the efficient use of both capital and hours of work.
                                   Practical Example:
                                   ABC private ltd. which manufactures steel plates has a plant located at Orissa. It gets the output
                                   of 200000 units in 2007 and 270000 units in 2008. The expenses of the company in 2007 is ` 80000
                                   and in 2008 ` 90000. However the company incurs additional expense of   ` 10000 for training
                                   programme of employees in 2008. Calculate the total factor productivity for the firm and check
                                   out whether it is moving satisfactorily in right direction or not?

                                   Solution:
                                                                     200000
                                   Total factor productivity in year 2007 is =    = 2.5
                                                                     80000

                                                                        270000
                                   Total factor productivity in year 2008 is =     = 2.7
                                                                     90000   10000

                                   The total factor productivity for the company is moving in positive direction.
                                   Practical Example:

                                   WLC private ltd. which manufactures iron pipes has a plant located at Rourkela. It gets the
                                   output of 1000000 units in 2009 and 1500000 units in 2010. The expenses of the company in 2009
                                   is ` 200000 and in 2010 ` 220000. In 2010, the company incurs additional expense of ` 80000 for in
                                   order to solve the dispute among the employee union and  management with regard to the
                                   creation of employee welfare fund . Calculate the total factor productivity for the firm for both
                                   years?
                                   Solution:

                                                                     10,00,000
                                   Total factor productivity in year 2009 is =    = 5
                                                                     2,00,000

                                                                        15,00,000
                                   Total factor productivity in year 2010 is =        = 5
                                                                     2,20,000   80,000

                                   Self Assessment


                                   Fill in the blanks:
                                   6.  The measures that are of relevance from the point of view of the operations manager are
                                       labour productivity, multiple factor productivity and ……………… productivity.

                                   7.  Economic productivity will depend on pricing and……………… .
                                   8.  Average economic productivity is computed by dividing output ……………… by units of
                                       input.





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