Those sorts of prices generally scale up, not increase by a fixed amount. Generally you would be right if everyone all of a sudden had 20% more money. Effective

Those sorts of prices generally scale up, not increase by a fixed amount. Generally you would be right if everyone all of a sudden had 20% more money. Effectively by giving everyone a fixed amount we give poor people X>50% more money and we give rich people X<10% more money. Which is in principle similar to a progressive tax, except for those who have no money, who now can survive to learn to increase their economic output.