Sure, people don't know the actual number, but they know that some enforcement is done, and some enforcement must be done for real for the effect to ripple thro

Sure, people don't know the actual number, but they know that some enforcement is done, and some enforcement must be done for real for the effect to ripple through society. If you see your neighbour get away with it, it does entice you. The easy counterexample is Greece, where enforcement is notoriously low. https://en.wikipedia.org/wiki/Corruption_in_Greece#Extent_of_Greek_tax_evasion_and_corruption https://en.wikipedia.org/wiki/Corruption_in_Greece#Extent_of...