Which scenario below would lead to lower profits as we double the inputs used by the firm?

A) Increasing returns to scale with constant input prices
B) Constant returns to scale with constant input prices
C) Constant returns to scale with rising input prices (perhaps because the firm is not a price-taker in the input markets)
D) all of the above

Increasing Returns

An economic principle where a proportionate increase in inputs leads to a greater proportionate increase in outputs, typically seen in production processes.

Constant Returns

A situation in production where increasing the inputs by a certain proportion results in an increase in output by the same proportion.

Input Prices

The costs associated with the purchase of the materials, labor, and other inputs required for the production of goods or services.