A Principles of Microeconomics professor wants to know how much prior knowledge her students have before beginning the class so she gives them a pre-test. This action is an example of

Millions of people wake up each morning, they get dressed and go to work by travelling on our nation's freeways early in the morning during rush hour

Why might this seemingly private activity actually result in a negative externality? Why might motorists not really worry about it very much?

Government agencies to which the national health care program assigns the task of assisting individuals, families, and small businesses in identifying health insurance policies to purchase are known as

A) health care exchanges. B) markets for health care. C) health insurance regulations. D) health insurance mandates.