Lucas’ post reminded me of a piece that I wrote for his website ThinkIR, in 2013. Most of it I re-used in my book Degrees of Freedom (2015). Of course it is also a piece on its own, that readers of NoL may find of interest. Thanks Lucas!
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It is fun to think about the almost unthinkable. Therefore this contribution is about the idea that no state is needed to provide military security against foreign attack. In modern times the idea goes back to at least the French-Belgian economist Gustave de Molinari and his 1849 pamphlet The Production of Security. The most prominent current defender of this idea is the German economist Hans-Herman Hoppe, a leading anarcho-capitalist thinker, in his essay The Private Production of Defense (also see The Myth of National Defense, which was edited by Hoppe).
Hoppe rightly notices (p.1) that the legitimacy of the modern state is strongly related to the belief in collective security. Following Rothbard in The Ethics of Liberty, he argues that states will always expand, due to the governmental monopoly to tax its inhabitants. This also applies to governments that only have the limited task of protection against aggression and administrating and justice. The only proper solution is therefore to abolish the state altogether, in order to ensure true liberty and individual justice. Consequently, this also means that the provision of security needs to be privatized, as Hoppe does not expect the world to turn into a peaceful utopia (pp. 1- 5).
So how would this work? Basically, to regard the production of security as an insurance, where the expenditures for defense are to be paid by premiums paid by individuals (pp.5-8). The insured people can choose from competing insurance firms, just like in other parts of the insurance market. This is not as improbable at it may seem at first sight. Importantly, insurance companies are already used to deal with risk and other real world dangers. There are already many private security companies in existence, also at the battlefield. The cost of defense in relation to other parts of the insurance market appears large, but do not discount the idea beforehand. For example: Dutch defense expenditure in 2013 is around 7 billion Euro, less than 1% of GDP, while annual turnover of the two largest insurers is around 20 billion. Of course Hoppe would point out that the 7 billion in current defense expenditures needs to be returned to the taxpayers, hence widening the premium base. Presumably, this would work the same in other countries with smaller economies and/or smaller financial sectors (but see the remarks below).
A world without states, but with private security insurance is less war prone, Hoppe argues (p.11-12). Insurers will have an interest in keeping costs down, and will therefore only make unprovoked attacks insurable. People who provoke, or have known to provoke violence in the past, will be excluded from the insurance. After a while, the number of uninsured people will be small. They will face big defense insurance companies if they violate somebody’s property, making this unlikely to happen often, in contrast to interstate war. Yet in my view here Hoppe relies too much on his stated view on human nature: man as rational animal.
A related main defect of the essay is its focus on the role of insurers and their (economic) incentives. This is fine, but the argument quickly loses any of the convincing power it has when Hoppe turns to an analysis of international war. Or more precise, a violent conflict between a free territory, defended by one or more insurance companies, and a state, financed by compulsory taxation. He simply asserts (p. 14) that the state would be in a disadvantage because it is less efficient and that its leaders would lose their legitimacy, because they necessarily fail to convince the population of the justification of an attack on the inherently peaceful free territory.
Yet if an attack would still happen, Hoppe continues, the state-led army of specialists would not only face the defense force of the insurance company (or several insurers and re-insurers cooperating), but also an armed population (p.15). Without much analysis he simply asserts the companies will always be more efficient and also capable to counter all attacks by any state, perform counter-operations in the state territory and be able to kill its leaders, while making sure to minimize any collateral damage. All because they have to justify their insurance fees.
That is as far as Hoppe goes in his argument. He offers no further analysis or other scenario’s, no additional arguments, does not provide any international political analysis, none whatsoever. Only the fact that the insurance companies are private suffices for Hoppe as they must be more efficient and thus able to overcome all possible attack. That is too simplistic, as just three examples illuminate.
Hoppe overlooks some important geopolitical aspects. Take size of territory and population for instance. How likely is it really that a small free territory, say the size of Luxembourg, or The Netherlands for that matter, would be able to raise enough insurance premiums to enable a good defense structure to counter attacks by much larger states? There is a difference between collecting enough money to match current defense expenditures and ensuring defense against all possible attacks, especially given the anarcho-capitalist dislike of international alliances such as NATO.
Apparently Hoppe thinks all necessary technology is either invented by the research and development people of the insurance company, or freely available at the market. This is improbable as far as the state-side of the argument concerns, given today’s relative secrecy in military procurement. Also, the cooperation between insurance companies may fail in this respect. If one company has a superior weapon system, it will be a ground for competition with the other insurer(s). The superiority of one company may quickly make it a monopolist. It may become a threat to its insured, just like states may be threats to their taxpayers. Once the armed forces of the private insurer are in full operation it only takes a powerful CEO with his or her own agenda to turn things sour. Just the fact of private financing does not make much difference.
Also, does economic efficiency always trump state inefficiency? The history of warfare is full of examples where the supposedly superior army loses unexpectedly. So if the state deals a decisive blow it effectively robs the remains of the insurance company, and it’s successors, of its premium paying clients.
To conclude, for liberty loving people the prospect of stateless private security may be tantalizing. However, the quality of the argument as presented by Hoppe thus far is poor and unconvincing. His theoretical arguments largely stem from economics and overlook other relevant facts and arguments, including those from IR. Hoppe’s private production of defense remains a fairy tale.
Links:
Molinari:
http://mises.org/document/2716/The-Production-of-Security
Hoppe:
http://mises.org/document/1221/The-Private-Production-of-Defense
Rothbard:
http://mises.org/document/1179/The-Ethics-of-Liberty
Notes On Liberty 
“How likely is it really that a small free territory, say the size of Luxembourg, or The Netherlands for that matter, would be able to raise enough insurance premiums to enable a good defense structure to counter attacks by much larger states?”
And how likely was it that these very same states did exactly that? Small entities will always be more vulnerable than large ones e.g. Tibet vs. China.
Your other points likewise ignore “improbabilities” of existing states and their characteristics. You should apply your logic consistently to both sides or not at all.