In: Economics
a. Ahmed runs a small business. In the first year he charged $45 and sold 1200 units and in the second year he charged $30 and sold 1800 units. Calculate the price elasticity of demand (Use the midpoint method). If Ahmed plans to raise the price by 10%, indicate what would be a reasonable estimate of what will happen to the quantity demanded and to the total revenue?
b. The table below shows the change of the demand for good A when the price of good B increases from $450 to $540. Quantify the cross-price elasticity of the good A (use the mid-point method) and explain what does it show. Indicate if goods A and B complements or substitutes.
Price of the good A ($) |
Price of the good B ($) |
Quantity Demanded of the good A |
150 |
450 |
2100 |
150 |
540 |
2500 |
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