The problem with vouchers is they can only be used in limited places. What we need is some kind of universal voucher that can be used anywhere to be exchanged for goods and services. Maybe we could put a monarch's head on one side and some sort of famous scientist on the other or something. It needs a name that says you can use it all around, something that gives and impression of usage both round the corner and round the supermarket. some word that sounds like round maybe