ECON 222 Chapter 19-20: Econ 301 ch 19,20 Technology and Profits.PDF

19. At the point on the demand curve where Q = 10 and P=70, the elasticity of demand, expressed as a positive number, is: A) O B) 1 C) 1/5 D) 5 E) 1/7 F) 7 G) 5/7 H) 715 1) 35 J) 1/35 K) 10/7 L) 7/10 M) 40 N) 1/40 0) 12/7 P) 7/12 Q) 12/5 R) 5/12 S) 2/5 T) 5/2 U) 2 V) 1/2 W) 2/25 X) 25/2 Y) none of the above

20. At the point on the demand curve where Q = 16 and P = 40, the elasticity of demand, expressed as a positive number, is: A)0 B) 1 C) 1/5 D) 5 E) 1/7 F) 7 G) 5/7 H) 7/5 1) 35 J) 1/35 K) 10/7 L) 7/10 M) 40 N) 1/40 O) 12/7 P) 7/12 Q) 12/5 R) 5/12 S) 2/5 T) 5/2 U) 2 V) 1/2 W) 2/25 X) 25/2 Y) none of the above

2. For each of the following, find the optimal consumption bun dle (a) U = xy , P x = 2 ,P y = 5 , I = 40 (b) U = x 1 2 y 1 2 , P x = 8 , P y = 4 , I = 60 (c) U = 3 x + y 2 3 , P x = 6 , P y = 8 , I = 30