So, have a look at this:
Is this what immediately comes to mind?
First, note that it took a long time for people to stop saving after 2008.
No, read that again.
The rest of it is truly fun.
So, cash makes sense. But in that case let us put the cash to use by requiring that it be saved in hypothecated Green New Deal accounts. Paying fair (above current market) rates of interest these will lock cash up for several years and let it be used for the green transformation of the economy.
People, rationally, want to save in cash. So, instead, we’ll go nick the money to spend on our stuff.