Refer to Scenario 9.1. The Nash equilibrium occurs when Sheb places ________ sheep on the commons and Monty places ________ sheep on the commons

Suppose that when the price of pickles decreases, Teddy increases his purchase of ketchup. To Teddy

A) pickles and ketchup are complements. B) pickles and ketchup are normal goods. C) pickles and ketchup and substitutes. D) pickles are a normal good and ketchup is an inferior good.

Which of the following models view changes in real supply-side factors as determinants of short-run fluctuations in output and employment?

a. New classical models b. Political business cycle models c. Keynesian models d. Real business cycle models e. none of the above