Emma wants to sell her motorcycle, and Damarius is looking for a used motorcycle to buy. Damarius takes it for a test drive. Emma knows that the clutch is going out on her motorcycle, the fuel filter is leaking, and the tires will need to be replacedsoon.

If she does not disclose this information to Damarius and he cannot tell from his test drive, this is an exampleof

an externalbenefit.

an externalcost.

asymmetricinformation.

a publicgood.