Explain the likely behaviour of total product and marginal product when only one input is increased while all other inputs - Economics - Production and Costs

Question

Explain the likely behaviour of total product and marginal
product when only one input is increased while all other inputs are
kept unchanged

Durva · Answer

it have 3 phases which is also called law of variable
propotion
in 1st phase total product[TP] increases at an increasing rate
and marginal product[MP] also increases
in 2nd phase TP increase at an diminishing rate and MP decreases
but remains +ve
in 3rd phase ultimately TP falls and MP also falss that it
becomes -ve

Explain the likely behaviour of total product and marginal product when only one input is increased while all other inputs are kept unchanged.