https://www.princeton.edu/~pkrugman/interstellar.pdf
Article
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1978 Krugman paper solving interest accounting for goods traveling near light speed
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Two theorems proved: ‘useless but true’ by author’s own admission
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Written partly as parody; serious math applied to a ridiculous premise
Discussion
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Thread universally delighted by Krugman’s self-aware framing (‘serious analysis of a ridiculous subject’)
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Supported by ‘Committee to Re-Elect William Proxmire’ — golden footnote
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Charles Stross’s Neptune’s Brood recommended as fiction exploring same themes
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‘Two useless but true theorems are proved. Based.’ sums up sentiment
Discuss on HN