________ is (are) the endogenous variable(s) in the Phillips curve

Noise pollution is a serious problem. One major contributor is the recent development of very powerful amplification equipment for automobile radios. Many people complain that the windows in their home vibrate when some cars drive by. Others complain that loud car radios set off very sensitive alarms in nearby parked cars. What do we know about the drivers of cars with loud stereos?

a. b, c, and e. b. It would be very expensive for them to engage in this behavior if individuals had a right to a nonvibrating home. c. The cost of their own hearing loss is less than the benefit they receive from cranking it up. d. They realize that there are no ordinances prohibiting loud noise. e. Their private costs fall short of the social costs.

If the long-run Phillips curve is vertical, then any government policy designed to lower:

a. unemployment will not change the unemployment rate and only increase the inflation rate. b. unemployment will work leaving the inflation rate unchanged. c. inflation will cause employment to rise. d. unemployment will work causing the inflation rate to fall. e. unemployment will work causing inflation to rise.