State-provided defense is a form of non-comprehensive government planning subject to two inherent problems. The first is the “knowledge problem” of how to allocate scarce resources to their highest-valued uses. The second is the “power problem” due to the discretionary power granted to...

Orthodox economics models defense as a public good provided by a central nation state. This approach abstracts away from the diverse institutions and processes individuals use to provide defense in the actual world. This paper frames defense as a polycentric system whereby dispersed groups of...

Economists often model national defense as a pure public good optimally provided by a benevolent and omnipotent "defense brain" to maximize social welfare. I critically consider five assumptions associated with this view: (1) that defense and security is a pure public good that must be provided...