If the quantity of fishing poles demanded is represented by the demand equation QD = 60 - P, then to solve for the price of fishing poles, the equation would be rewritten as

A decrease in interest rates will

A) shift the investment function relating planned investment to the interest rate to the left. B) be a movement along the investment function relating planned investment to the interest rate. C) shift the investment function relating planned investment to the interest rate to the right. D) have no impact on the investment function relating planned investment to the interest rate.

Which of the following describes two-part tariff pricing?

A) A firm charges two different prices for the same good. B) An importer has to pay a tax at the nation's borders, and a sales tax when the good is sold. C) A buyer must pay a down payment and monthly payments to buy big-ticket items such as a car, a plasma television, or a suite of furniture. D) A buyer pays an initial price for entrance to the market and an additional fee for each unit of the product purchased.