The Permanent Portfolio was proposed by Harry Browne in the book Fail Safe Investing. An excellent modern guide is The Permanent Portfolio: Harry Browne’s Long-Term Investment Strategy by Craig Rowland and J. M. Lawson.
- 25% Total Domestic Market (Germany)
- 25% Long Term Bonds (German Bunds)
- 25% Tbills/Cash (Germany)
- 25% Gold
Note: Short Term Bonds are a common substitute for Cash for many Permanent Portfolio investors.