The endogenous variable in the aggregate demand curve is ________

The price of an airline ticket rises as the amount of time between purchase and flight departure gets smaller. The airlines base the policy on the assumption that

a. consumers are not aware of airline prices. b. consumer demand is unrelated to prices. c. consumer demand becomes more elastic as departure time approaches. d. consumer demand becomes less elastic as departure time approaches.

Rent controls and controls on other prices often aggravate the very problem they are intended to solve

a. True b. False Indicate whether the statement is true or false