There probably is some infrastructure spending that would generate a 60% return. That figure might have been based on past experience, where the only the best projects were cherry-picked. When hundreds of billions of dollars are being thrown around — a lot of those cherries will be old, rotten, worm-eaten things & they will actually reduce the GDP.
I would venture that a move from 90 to 91 would be that costly.
Enviros live in a fantasy world. The ones I know are DINKS with a lot of disposable income or homosexual w/o kids. It is a rich man’s toy and helps him soothe the guilt over a life of conspicuious consumption. LOOK I am GREEN.
In my town all our recyclables are dumped, along with all the garbage and re-sorted. All the home sorting does nothing, but it does save a little on garbage bags.