I wrote a post to introduce The Tollan Letters, but when I re-read it, it came across as plain vanilla, so I'm going to skip that. I'll just jump to the links. Please read what they have to say.
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The Tollan Letters can be found at whatworksproject.com, here. Thanks to Peter Goodgame for this valuable reference. You can consider this Part 3 of Economics in One Lesson. Part 1 is here, and Part 2 is here.
Please join the conversation in the comments. Your ideas are most welcome.