Suppose that a local supermarket sells apples and oranges for 50 cents apiece, and at these prices is able to sell 100 apples and 200 oranges per week. One week, the supermarket lowered the price per apple to 40 cents and sold 120 apples. The next week, they lowered the price per orange to 40 cents (after raising the price per apple back to 50 cents) and sold 240 oranges. These results imply that
the
a. price elasticity of apples is lower than the price elasticity of oranges
b. price elasticity of apples is higher than the price elasticity of oranges
c. demand for apples is more price sensitive than the demand for oranges
d. demand for oranges is more price sensitive than the demand for apples
e. price elasticities of demand for apples and oranges are the same over these price ranges
E
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If average total cost is $50 and average fixed cost is $15 when output is 20 units, then the firm's total variable cost at that level of output is
A) $1,000. B) $700. C) $300. D) impossible to determine without additional information.
Equilibrium market prices for capital and labor are $10 and $8, respectively. Then, the economy experiences one or more supply shocks, so that the marginal product of capital is $12, and the marginal product of labor is $9
Assuming that the available quantities of capital and labor are fixed, which of the following is (are) likely to decrease as the economy approaches its new equilibrium? A) real rental price of capital B) total output C) economic profits D) the quantity of capital in use E) none of the above