George and Stan live next door to each other. George likes to plant flowers in his garden, but every time he does, Stan’s dog comes over and digs them up. Stan’s dog is causing the damage, so if...

George and Stan live next door to each other. George likes to plant flowers in his garden, but every time he does, Stan’s dog comes over and digs them up. Stan’s dog is causing the damage, so if economic efficiency is to be achieved, it is necessary that Stan pay to put up a fence around his yard to confine the dog. Do you agree or disagree? Explain.