Are you sure this behavior is coming from a Golden?? Very atypical for that breed.....

Arrange a time for a sit-down with your neighbor to discuss the issue and your concerns; I'm certain that this will help.

If it doesn't, and the dog is contained within its own yard, there's not much you can do. If the dog is indeed posing a threat outside of its yard, you could call animal control and speak with them.

However, I would most certainly speak with the owner first.