When an increase in the quantity of an input, holding the levels of all other inputs fixed, leads to a decline in the marginal product of that input.
sloping marginal product
constant returns to scale
diminishing returns to an input
identical marginal product
When an increase in the quantity of an input, holding the levels of all other inputs fixed, leads to a decline in the marginal product of that input.
sloping marginal product
constant returns to scale
diminishing returns to an input
identical marginal product