https://www.youtube-nocookie.com/embed/VgpThFkZmbc
See also:
The Market for Security
Anarchist-Minarchist Debate
Article mentioned:
But Wouldn't Warlords Take Over? by Robert P. Murphy
Further reading:
The Myth of National Defense: Essays on the Theory and History of Security Production edited by Hans-Hermann Hoppe
National Defense and the Public-Goods Problem by Jeffrey Rogers Hummel & Don Lavoie (Chapter 7 in Anarchy and the Law)
Defending a Free Nation by Roderick T. Long (Chapter 8 in Anarchy and the Law)
Chaos Theory: Two Essays on Market Anarchy by Robert P. Murphy
Private Defense in the History of Genoa by Matteo Salonia
When It Comes to National Defense, Bigger Isn’t Always Better by Ryan McMaken
The Power of Nations: Measuring What Matters by Michael Beckley
Minimum Deterrence as a Vulnerability in the Market Provision of National Defense by Joseph Michael Newhard
Libertarian Law and Military Defense by Robert P. Murphy
A Strategic Doctrine of Disproportionate Force for Decentralized Asymmetric Warfare by Joseph Michael Newhard
Rights, Just War, and National Defense by Eric Mack (Chapter 6 in Liberty for the 21st Century: Contemporary Libertarian Thought)
