Problem
Answer the following questions:
a. What is the difference between self-interest and selfishness?
b. Why does inaction have consequences?
c. Why are observation and prediction more difficult in economics than in chemistry?
d. Why do economists look at group behavior rather than individual behavior?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.