CHAPTER 4 PROBLEMS AND APPLICATIONS ANSWERS
For questions 3 and 5 I have given the shifts and the change in P and Q. Of course in
your answers, you should be drawing the diagrams for each part. Also, consider each
3. a. D increases; P and Q both increase.
b. S decreases; P increases and Q decreases.
c. S increases; P decreases and Q increases.
d. D increases; P and Q both increase.
e. D decreases: P and Q both decrease.
5. a. S decreases; P rises and Q falls.
b. D decreases; P and Q both fall.
c. D increases; P and Q both rise.