> A lot of corruption involves one party "gifting" the other something. That kind of corruption has been caught by the tax authority. Like what? A house? You c

> A lot of corruption involves one party "gifting" the other something. That kind of corruption has been caught by the tax authority. Like what? A house? You can't really catch cash transactions. I would assume that in developed economies the "easiest" and least transparent way of corruption happening is friends doing each other favours. I.e. person A can influence the granting of permits through his friend, person B. In return for helping person C get a permit, he gets a board seat in the company of person D, via person C.