So the story of the baby-sitting co-op is not a mere amusement. If people would only take it seriously—if they could only understand that when great economic issues are at stake, whimsical parables are not a waste of time but the key to enlightenment—it is a story that could save the world.

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Quote text and notes from Wikiquote: Paul Krugman (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.