Taboo and Repugnant Roundup (Week of 12/8/2025)

The latest Substack connects three domains where law, norms, and market design intersect: • The organ-donation paradox, where ex-post gifts are celebrated while ex-ante payment remains illegal. • Feeding America’s…

HP 9100A Calculator

In 1968 the Whole Earth Catalog reports the HP 9100A calculator was priced at $4900. And the calculator was 40 lbs. Wow.
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Taboo and Repugnant Roundup

New Substack: Taboo & Repugnant Roundup This issue examines several consequential developments in reproductive and higher-education policy: • The rising use of elective IVF and PGT, and the shaky foundations…

RIP George Christie

I missed the news that my former Duke colleague, George Christie, recently died. From the obituary: George Custis Christie, longtime Duke Law Professor, died on November 4, 2025, at the…