Point elasticity of demand = (dq/dp)*(p/q)
The demand equation is given as :
q = 2250 + 18p - 11p²
dq/dp = 0 + (18*1) - (11*2)p = 18 - 22p
When price = $5, (dq/dp) = 18 - (22*5) = -92
When price = $5, q = 2250 + (18*5) - 11(5)² = 2065
Therefore, point elasticity of demand = -92 * (5/2065) = -0.22
The absolute value of the elasticity is less than 1, therefore the demand is price inelastic.
Inelastic demand means even if price increases by a relatively larger amount, quantity demanded by a relatively small amount. In case of inelastic demand, percentage change in Quantity demanded is less than the percentage change in the price. Therefore, when demand is inelastic, change in the price and change in the total revenue moves in the same direction. Therefore, a price increase will increase the total revenue.
Math 148 - Summer 2020 3) Suppose that the demand for a product is given by 9(4+ p) - 4590. Find the elasticity when p = $50. What type of elasticity is this? What do you know about the revenue with respect to price increase? 1
dont need multiple choicd just fill in the blank
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