Economic Analysis Assumes That

Economic analysis assumes that

A) people act only out of selfish motives.
B) people are motivated by a variety of forces; however, changes in personal benefits and costs affect behavior only when individuals are motivated by selfishness.
C) people are basically unselfish, and their actions are, therefore, difficult to predict.
D) changes in the personal benefits and costs associated with an activity will exert a predictable influence on the behavior of both those who are selfish and those who are unselfish.