The most significant form of revenue in developed countries is the income tax

Suppose at the going wage rate of $20 per hour, firms can hire as many hours of janitorial services as they desire. If any firm tries to lower the wage rate to $19, it will not be able to hire any janitor

What does this indicate about the supply curve for janitorial services? A) Supply is relatively inelastic. B) Supply is perfectly elastic. C) Supply is unit-elastic. D) Supply is perfectly inelastic.

In which of the following scenarios would a predatory pricing scheme have the greatest chance of success, all else constant?

A) The predatory price is set well below cost, many rivals are likely to enter after the strategy ends, and profits can be recouped only over a relatively long period of time. B) The predatory price is set well below cost, relatively few rivals are likely to enter after the strategy ends, and profits can be recouped in a relatively long period of time. C) The predatory price is set just below cost, many rivals are likely to enter after the strategy ends, and profits can be recouped in a moderate period of time. D) The predatory price is set just below cost, relatively few rivals are likely to enter after the strategy ends, and profits can be recouped in a very short period of time.