Economists assume that households try to maximize utility and firms try to:

Which of the following is the best example of a product or service that provides a benefit externality?

A) the construction of a private road that allows vehicles if a toll is paid B) a public library C) a bookstore that is open to everyone D) All of the above E) None of the above

Credit cards should be included in M1 because they are just like checks

a. True b. False Indicate whether the statement is true or false