The Michael Shermer Show

295. Marian Tupy & Gale Pooley — Superabundance: The Story of Population Growth, Innovation, and Human Flourishing on an Infinitely Bountiful Planet

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Aug 30, 2022
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ADVICE

Convert Rates Into Doubling Time

  • Use the rule of 70 to translate growth rates into doubling times to grasp compounding effects.
  • Expect ~20 years to double at ~3.5% and much faster outcomes from higher sustained rates.
INSIGHT

Measure Abundance By Time Price

  • Time price (hours of work) reveals real abundance better than nominal or inflation-adjusted prices.
  • Abundance compounds ~3–4% annually, doubling living standards about every 20 years.
INSIGHT

Small Growth Rates Yield Massive Change

  • Global per-capita growth was nearly zero before ~1750 and rose to ~1.5% since, transforming human welfare.
  • Small sustained annual growth compounds into massive long-term improvements.
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