If there is no external cost, then marginal social cost
A) increases as output increases.
B) decreases as output increases.
C) is constant regardless of the level of output.
D) is unrelated to output levels.
E) first increases and then decreases as output increases.
A
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Unemployment is a ________ concept, measuring the ________
A) stock; number of people who are not working B) stock; number of people at a point in time who are not working but who are looking for work C) flow; number of people who are first entering the labor force D) flow; number of people who lost their jobs within the last week
For many goods, the price elasticity of demand increases over time after a price hike because
A) consumer incomes tend to increase over time. B) inflation increases all prices and incomes over time. C) the ability to find good substitutes for the product whose price rose increases over time. D) All of the above answers are correct.