Determine whether and how each of the following factors would shift the demand curve for chiropractic visits:
a.An increase in the out-of-pocket price of chiropractic visits
b.An increase in back problems
c.A reduction in the out-of-pocket price for chiropractic visits
d.An aging of the population
e.An increase in the out-of-pocket price of back surgery (a substitute for chiropractic services)
f. A reduction in the price of radiographs (a complement of chiropractic services)
g.An advertising campaign that makes people more aware of the benefits of chiropractic care