Economics: The Basics 1st Edition by Mike Mandel

Exercise 8

Zero-sum means that one person's gain is someone else's loss. Non-zero-sum means that it is possible for everyone to gain. Say whether each of the following represents a zero-sum or a non-zero-sum situation:
a) Three kids sharing a cookie.
b) Two college students collaborating on a class project.
c) Two baseball teams playing a game.
d) A director and several actors making a movie.
e) Two hotels compete for customers in a resort town where the total number of tourists stays the same.