Cost of living in Concordia (Argentina) is 70% cheaper than in Andorra la Vella (Andorra)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 171 prices entered by 13 different people.
For example, to keep the same standard of living that would require €2,700 in Andorra la Vella you would need to make just about €806 (ARS $32,934) in Concordia.