A measurement showing how the average price of a bundle of goods changes over time is a

The trade-offs made by the U.S. government to fund the war in Iraq

A) exceed the benefits derived from the war. B) show that the government is justified in its war spending. C) prove that the government is spending too much on the war. D) represent what was potentially sacrificed to engage in the war.

Which of the following provides an example of command-and-control regulation? a. Taxing producers based on the external costs created by their pollution, thus internalizing external costs

b. Requiring firms to reduce their pollution by 50 percent, thus allowing them to emit 50 percent of their historical emissions, and allowing them to freely buy and sell allowances. c. Requiring firms to use a particular type of pollution-control technology, such as smokestack scrubbers or catalytic converters. d. Subsidizing firms that exceed their pollution-control targets.