The marginal product of an input is equal to the change in total product resulting from a one-unit increase in the quantity of that input.

Why do elephants face the threat of extinction while cows do not?

a. Cattle are a valuable source of income for many people, while elephants have no market value. b. There is a high demand for products that come from cows, whereas there is no demand for products that come from elephants. c. There are still lots of cattle that roam free, while all elephants live in zoos. d. Cattle are owned by ranchers, while elephants are owned by no one.

A Dutch auction is a(n) ________-bid auction in which participants ________ observe each participant's bids.

A) descending; do not B) ascending; do not C) descending; do D) ascending; do