Joe decides to build a chicken coop in his suburban backyard. He has several hens and one rooster. The rooster wakes up his neighbor each morning at 5:00 am Joe's chicken coop creates a negative externality if his chickens do not lay eggs. creates a positive externality if Joe sells his chickens' eggs at the local farmers' market . creates a positive externality if the neighbor wants to sleep longer but accepts free eggs in exchange for the inconvenience creates a negative externality if the neighbor wants to sleep longer and a positive externality if the neighbor is happy to be awaken early each day