Field notes
Field notes.
Essays, talks, and other public writing on prevention economics.
October 11, 2026 · Essay
What a Minute Costs
Counting what we fail to prevent, sixty seconds at a time.
September 2, 2026 · ImpactAlpha
The Prevention Dividend: Investing Before the Damage Is Done
Impact investors may be overlooking one of the largest markets hiding in plain sight: the money institutions already spend after preventable things go wrong.
September 1, 2026 · Essay
Prevention Economics
A common ledger for shifting resources from reacting to harm toward preventing it: two measures, seven principles, three kinds of practitioner, and four open problems.
August 2026 · Instrument
The Prevention Ledger, public beta
A free instrument for computing an institution’s ratio and exploring the evidence.
July 31, 2026 · Article and video
The Movement Gets Its Field Manual
The Impact Entrepreneur Breakthrough, presented.
July 28, 2026 · Essay
The Ledger We Refuse to Read
Peace needs an accounting standard, not another argument.
SuperCrowd26 · Talk, 25 minutes
The Prevention Dividend: Impact Investing’s Best-Kept Secret
The whole argument in twenty-five minutes: why security spending keeps rising while people feel less safe, the two numbers, and why prevention’s savings so often land with someone other than the payer.
June 29, 2026 · Essay
We Are Paying Sixteen Dollars to Avoid Spending One
Why the impact economy must reprice security and fund prevention before the crisis.
April 3, 2026 · Essay
The Iron Law of Misplaced Defense
Why militarized security keeps making us less safe.
March 5, 2026 · Essay
The Fortress Is Burning
What Iran and Ukraine reveal about the failure of militarized security.
Everything tagged Defense as a Service™ on Impact Entrepreneur (opens in a new tab)