RuleOne

← Learn · Module: Moats

178 · Inflation Kills

2018-09-04 · 29 minUnderstand

In one sentence: Inflation silently halves your money's buying power every couple of decades, which is why Buffett says to own either an index or businesses with a durable advantage and the pricing power to raise prices when costs rise; assets with no earnings, like Bitcoin, can only be speculated on.

Key ideas

How it maps to RuleOne

Buffett, Munger and Graham links

Words to know

Try this

Pick a business whose main input cost rose sharply in some past year. Open its filings from /stock/TICKER/ and check whether gross margin held. Write whether that suggests pricing power.

Check yourself

  1. Why can't you compute owner earnings for gold or a currency?
    AnswerThey produce no earnings, so value rests only on what a later buyer will pay.
  2. Roughly how long does 3% inflation take to halve buying power?
    AnswerAbout 20 to 24 years (rule of 72).
  3. Why might a Rule #1 portfolio resist inflation better than an index?
    AnswerIt holds firms with durable advantages that can raise prices as costs rise.

Short quotes

"Inflation... happens to your money automatically without you doing anything wrong." (Phil, ~15:40, auto-transcribed)

inflationpricing powermoatowner earningsindex investingspeculation vs investingdead money

Saved in this browser

AI study notes from an automatic transcript. Names and figures may be misheard, and quotes are short excerpts for study. Not investment advice.