Using informal channels for a sizeable part of the economy is not going to make the government less corrupt but more. Any gouvernement needs money to work, and

Using informal channels for a sizeable part of the economy is not going to make the government less corrupt but more. Any gouvernement needs money to work, and that money is raised by taxes. If a huge part of money is not taxed, it will have 3 effects: 1/ the taxes will increase on the rest 2/ the unelected people controlling the informal channels will have a lot of power 3/ the government will not be able to works properly, meaning that corruption will be used more to compensate