Consider the production function for bottled water.All of the following would be considered variable inputs except:
A)the plastic bottles.
B)the water the bottles are filled with.
C)the machine used to fill each bottle.
D)the electricity used to power the machine used to fill the bottles.

Question

Quizplus · Accepted Answer

The machine used to fill each bottle is considered a fixed input, not a variable input, because its quantity does not change with the level of production in the short run. Variable inputs, like plastic bottles, water, and electricity, change with the level of production.

Consider the Production Function for Bottled Water