The figure above shows Lauren's demand curve for Barbie dolls and the market price for Barbie dolls. Using the area of the consumer surplus triangle, Lauren's total consumer surplus from purchasing 3 dolls is
A) $5.50.
B) $10.00.
C) $22.50.
D) $45.00.
E) 3 dolls.
C
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Suppose that a chair in Germany sells for 100 euros. The exchange rate changes from $1 = 1 euro to $1 = 4 euros. How does this change affect the equivalent U.S. dollar price of the chair?
a. The price decreases from $100 to $25. b. The price increases from $100 to $400. c. The price decreases from $400 to $100. d. The price increases from $25 to $400
When a series is stationary, weakly dependent, and has serial correlation:
A. the adjusted R2 is inconsistent, while R2 is a consistent estimator of the population parameter. B. the adjusted R2 is consistent, while R2 is an inconsistent estimator of the population parameter. C. both the adjusted R2 and R2 are inconsistent estimators of the population parameter. D. both the adjusted R2 and R2 are consistent estimators of the population parameter.
Which of the following is not a goal of the odd-Frank Act of 2010?
A. To promote competition B. To reduce moral hazard C. To end "too big to fail" D. To anticipate and prevent financial crises by limiting systemic risk
In perfect competition, price is equal to marginal revenue, while in monopoly, price is greater than marginal revenue.
Answer the following statement true (T) or false (F)