Which of the following relationships is NOT valid?

A) Rising marginal cost implies that average total cost is also rising.
B) When marginal cost is below average total cost, the latter is falling.
C) When marginal cost is above average variable cost, AVC is rising.
D) none of the above

A

Economics

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Competition between the United States and Mexico is

A) equivalent to the competition between two giant corporations. B) a struggle over which country will get the best jobs. C) unfair if wages in Mexico are lower than in the United States. D) a struggle over which country will keep the most advanced technology. E) not a meaningful way to analyze trade.

Economics

China has roughly how much of the world's population?

A. 40 percent. B. 30 percent. C. 20 percent. D. 10 percent.

Economics