- Photo
- —
- Name
- —
- Field
- Finance / economics
- Year
- 1952
- Lead author
- Harry Markowitz
- Core idea
- Shows how to build an “efficient” portfolio by balancing expected return against variance (risk).
- Why it hooked me
- Takes the gut feeling of “don’t put all your eggs in one basket” and turns it into clean geometry.
- Best for
- Anyone who secretly loves both spreadsheets and the idea of sleeping better at night.
- Length feel
- Mathy but compact; the figures do a lot of storytelling.
- Vibe
- Early‑50s quant energy: restrained, formal, sneakily revolutionary.
- Nerdy flex
- Explaining the efficient frontier on a napkin is my idea of small talk.