The point is the second order effects. You a may pay taxes, but the shops you spend your taxed income might be lieing on their taxes. Any electronic spending yo

The point is the second order effects. You a may pay taxes, but the shops you spend your taxed income might be lieing on their taxes. Any electronic spending you made will not give the shops room to under report. In turn that shops electronic money forces the shops to force their employees to take taxed money, otherwise the shops could not claim the wages against the income.