I have seen one of the best implementation of Public-Government Collaboration in Thailand. Thailand has many beaches. The Thailand Government has given the responsibility of the upkeep of these beaches to the villagers living around these beaches. The villagers are required to make sure that the beaches are kept clean and attractive so that they attract most number of tourists. The villagers are diligent in this effort as the presence of tourists ensures their prosperity. They run small and large business like hotels, restaurants, boating rentals, etc. All of these prosper only if enough tourists visit their beaches.
60% of Thailand economy was dependent on Tourism when I lived there. Thailand is enormously successful country and people of Thailand are happy and prosperous. This has been made possible because of this very sensible program of involving the nation to do its bit to serve the national purpose.
Hats off to His Majesty King Bhumibol for creating this simple, but powerful formula.
I am sure this world has many such success stories. Request if you could share some more.