If a tax is imposed on the buyers of a product, then the tax burden will fall entirely on the buyers

When the price of tacos rises 4 percent, the quantity demanded decreases 10 percent. What is the price elasticity of demand for tacos?

A) 40.0 B) 25.0 C) 0.4 D) 2.5 E) 10.0

The "rule of reason"

a. applies to business practices that are illegal regardless of their economic rationale or their consequences b. applies to business practices that are legal, regardless of their consequences c. means that business practices cannot be proven to be illegal, and a consent decree is required to halt the practices d. considers why a certain business practice was adopted and what the effects on competition are, before determining whether the practice is illegal e. focuses on market structure rather than on the behavior of firms in determining whether antitrust violations have occurred