How can you measure net productivity and gross productivity?

gross is the money you get paid before the government takes part of it. net is the amount you actually take home to spend.

gross primary productivity is the amount of light energy that is converted to chemical energy by photosynthesis per unit time.

total output / units of labour or capital

real output per unit of input.

Partial measures output/(single input) Multi-factor measures output/(multiple inputs)Total measure output/ (total inputs)Productivity =(Outputs/inputs)