Question

Which of the following is an example of a positive externality?

a. Drag racing on urban streets puts pedestrians at risk.

b. Drinking a glass or two of wine makes one feel pleasantly drowsy.

c. Working out at a fitness club makes one more cheerful around others.

d. Failure to save for retirement now means a lower quality of life later on.

e. Rooting for a particular team increases ones enjoyment of sporting events.

Answer

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