Matt Levine explores Wall Street and finance through the incentives, contracts and unusual situations behind the headlines, with room for curiosity and humor.

Newsletter
The Rational Walk
Reflective essays on investing, Berkshire Hathaway, books and decision making, with a long public archive and new writing distributed through a free email subscription.
Explore the full newsletter profileWhy it’s on the Desk
Use the dated archive to find an essay on your question, and read its historical context before applying the lesson.
Read it with this in mind
Free email subscription and public articles; the former paid subscription offering was discontinued in April 2024.
Go to the original
Read, watch, listen, or subscribe directly with the publisher. Their current prices, terms, and availability apply.
Visit The Rational WalkSource: the publisher’s linked website. Listing checked 2026-09-18. Our selection notes are editorial opinions; no affiliation is implied.
A BETTER READING ROUTINE
A good read is worth passing on.
Join the launch list for our curated financial digest. Choose the topics you want to follow.


