Respuesta :
Answer:1. private cost 2. external benefit 3. private benefit 4. external cost
Explanation:
The food for the dog is a Private Cost
The dog discouraging intruders and trespassers the neighborhood is an External Benefit.
The enjoyment from a new companion is a Private Benefit
Barking disturbing the neighbors' sleep is an External Cost
Answer:
The food for the dog is ⇒ PRIVATE COST because it is paid by the owner and doesn't affect third parties.
The dog discouraging intruders and trespassers the neighborhood is ⇒ EXTERNAL BENEFIT (POSITIVE EXTERNALITY) because positive effects arise on third parties.
The enjoyment from a new companion is ⇒ PRIVATE BENEFIT because the benefits are enjoyed only by the owner.
Barking disturbing the neighbors' sleep is ⇒ EXTERNAL COST (OR NEGATIVE EXTERNALITY) because negative effects arise on third parties.