Learn more about the economy through this informative lesson. "In this lesson, you will learn how the incentive program affects the personal choices you make in class. You will also analyze how economic incentives can affect behavior."

Students will be rewarded for positive behavior and performance in class through a monetary incentive program. Classroom cash will be earned on a daily basis for such things as attendance, punctuality, and assignment completion....

In this series of short "headlines", each has a direct goal, but each also has an unintended externality or spillover.