Determine the price elasticity of demand, the cross-price
elasticity of demand or the income elasticity in the following
scenarios
a. Consider the market for
coffee. Suppose the price rises from $4 to $6 and quantity demanded
falls from 120 to 80. What is price elasticity of demand? Is coffee
elastic or inelastic?
b. John’s income rises from
$20,000 to $22,000 and the quantity of hamburger he buys each week
falls from 2 pounds to 1 pound. What his income elasticity? Is
hamburger...