"As I add more workers to the factory line, the additional output produced by each additional worker seems to decline. Eventually, the workers just get in each others' way.". This statement by a factory supervisor refers to the law of:

Elly needs to get her leaking faucet repaired as soon as possible. She gets in touch with a plumber who asks for an unreasonably high fee. If no other plumber is available for work, who has a higher bargaining power? Explain your answer

What will be an ideal response?

Suppose that in an hour Joe can prepare 10 sandwiches or 5 pizzas. The opportunity cost of Joe producing one sandwich is

A) 2 pizzas. B) 1/2 pizza. C) 5 pizzas. D) 1 pizza.