What function is money playing in each of these situations: a. You walk into a store in Germany and see that all the prices are in euros. b. You buy a candy bar for $1.25. c. Your Aunt Jane keeps $100 bills tucked into many books in her house

When disposable income increases from $9 trillion to $10 trillion, consumption expenditure increases from $6 trillion to $6.8 trillion. The MPC is

A) 0.60. B) $6.8 trillion. C) 0.68. D) 1.00. E) 0.80.

The relationship between price and quantity supplied after firms fully adjust to any short-term economic profit or loss resulting from a change in demand is illustrated by the

a. long-run industry supply curve b. Dutch auction model c. short-run firm supply curve d. constant-cost industry supply curve e. short-run industry supply curve