Question

State the behaviour of marginal product when only one input is increased and other inputs are hold constant.

Answer 1

When only one input is increased and other inputs are hold constant, the MP will be

Units of Variable Factor	TP	MP	Change in the MP Curve
0	0		MP curve increases at an increasing rate till 3rd unit
1	4	4
2	12	8
3	24	12
4	32	8	MP curve continues to fall from 5th unit
5	34	2
6	30	-4	MP curve continues to fall and it becomes negative from 6th unit