Repercussions

A curated list of regulations and policies from the past century that had unintended negative consequences. Inspired by Patrick Collison's "Fast."

Recent Policies

EU AI Act (2024)

Required compliance systems that burdened startups

EU Deforestation Regulation (2023-25)

Traceability requirements that disadvantaged smaller farmers

FTC merger challenges (2020+)

Aggressive enforcement reduced tech startup M&A exits

Mid-Century Examples

Sri Lanka's fertilizer ban (2021)

Abrupt prohibition caused agricultural output to plummet ~50%

California AB5 (2020)

Contractor reclassification led companies to reduce worker hours or exit the state

San Francisco gross receipts tax (2018)

Revenue-based structure harmed unprofitable startups; later reduced by order of magnitude

Historical Cases

Sarbanes-Oxley (2002)

Compliance costs made smaller IPOs infeasible

US Prohibition (1920-1933)

Black markets emerged with crime syndicates and unregulated products

CAFE fuel standards (1970)

Incentivized SUVs over fuel-efficient sedans, opposite of intended effect

Laws accumulate "cruft" like software codebases and need periodic refactoring.