Post #4303128

@markmason@mas.to @GeofCox@climatejustice.social I seem to recall that the first "economic models" were basically plumbing, with water representing the financial flows and various tasks and levers to model the effect of policy. (Now I have to go and find an image or something to prove I wasn't dreaming this...) Here we go... https://en.wikipedia.org/wiki/Hydraulic_macroeconomics