If corruption is such a problem, psychology, economics, and history all agree that a government is the worst solution possible. Power corrupts and lures the corrupt.
Only in creedom do we jave the opportunity to improve. Every advancement in society has been the result of the exercise of freedpm, and collusion is only sustainable when proyecyed by government. Austrian economocs provides a more thoroigh explanation than i can offer here. I suggest Economics in One Lesson by Henry Hazlitt as a starting point.