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Thanks Sir for invite, you have already given the answer.
overall productivity= output/input
under partial productivity method value of output is compared with the each factor of input.
productivity per machine hour,
productivity per labour hour
productivity per labour
productivity per input consumed
it depends on how you want to measure productivity. in quantitative or qualitative ways.
partial productivity ratio is used to measure the productivity as you and respected friends mention here, but you will agree with me that now a days ratios are used for big business to see the position and efficiency of business.
for example Return on Asset ratio, Turn over ratios, Gross profit ratio etc.
• the overall productivity and be this way (the ratio of output to input) or by output and the elements.
• partial productivity which is about (as compared with the volume of production workers and one of the factors of production).
RESULTS. Always benchmark and measure progress according to results.
I know it is a different answer than what my esteemed friends have provided but from experience we measure by comparing results.
Productivity is the relationship between the quantity of output and the quantity of input used to generate that output. It is basically a measure of the effectiveness and efficiency of your organisation in generating output with the resources available.
productivity = output / input
Productivity is the measure of output to input. We can also term it as overall productivity.
Individual elements of input can then be broken down and calculated individually such as material and labour. We term this partial measure of productivity.