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Slow the growth, save the world? Why declining birth rates need not mean an end to prosperity
(www.theguardian.com)
Discussions about degrowth and all sorts of related topics. This includes UBI, economic democracy, the economics of green technologies, enviromental legislation and many more intressting economic topics.
Or, proper running water systems vs having to buy plastic jugs of water.
Certainly the formula can be sharpened but it's a decent heuristic for thinking about impact.