The "Chicago school" of economists led by Milton Friedman suggests that the key to government regulation of the economy is its taxing and spending policies

Which of the following is a likely characteristic of a democratic nation?

A) Low levels of education B) They are led by a dictator C) Relatively high gross domestic product D) Turmoil and instability

Theories tell us which facts are most relevant in a situation. This is the _____ element of theory

A) covariance B) description C) explanation D) prediction E) prescription