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Sure but "let your sellers find the ways to manipulate your matching system and fix it afterward" really is applying general econ logic. Same concept as game designers letting the player base find the broken strategies. "People break systems, harness that."
"Things fall down when you release them" is general physics logic. I agree that economics at that level "works" inasmuch as that's "working." x = 1/2 g t^2 is Physics you can build engineering on. There's no equivalent in econ, where one parameter solves a class of problems.
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