In situations where experimental design cannot be used because of costs, time, ethical or other considerations, _______ may be a useful alternative

Which county in California is the largest county in terms of square miles in the United States?

a. Los Angeles b. San Francisco c. San Bernardino d. San Diego

Calls for government intervention when markets fail to fulfill important social values are examples of

a. an essential role that government plays in relation to the market b. a politically generated intervention in the market c. a beneficial role of the government in relation to the market d. why authoritarian states consistently manage economic policy effectively