De-growth ¡ª the idea that a finite planet cannot sustain ever-increasing consumption ¡ª is about the closest you can get to a heresy in economics, where growth is widely held as the best route to prosperity.
But, as climate change accelerates and supply chain disruptions offer rich-world consumers an unaccustomed taste of scarcity, the theory is becoming less taboo, and some have started to ponder what a de-growth world might look like.
After the U.N. climate science agency this year called for cuts in consumer demand ¡ª a core de-growth premise ¡ª the think tank that runs the Davos forum , and the issue has even begun to crop up in investment notes.

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