Economics for Today 9th Edition by Irvin Tucker

تمرين 34

Suppose the quantity of ground beef purchased by the Jones family is 110 pounds per year when the price is $2.10 per pound and 90 pounds per year when the price is $3.90 per pound. The price elasticity of demand coefficient for this family is
A) 0.33.
B) 0.50.
C) 1.00.
D) 2.00.