Einstein stated that if you do the same thing over and over and expect a different outcome you are delusional. That said, are the current good governance laws and related consequences effective at minimizing corruption or not? Assumung they are not, and if you believe that people are motivated at a basic level by one two factors, greed and fear. What level of consequence is then needed to minimize corruption?
Unpardonable lifetime ban from politics
Forfeiture of all assets
Extended and unpardonable prison terms
Public flogging
Capital punishment
What will it take to put the fear in politicians so that they are not so corrupt?