Edward, thanks for your insightful remarks, but I think you’re framing the debate incorrectly. For example, you write "Like much of the mainstream they seem to think that anything that doesn’t adjust instantaneously is ipso facto detrimental to the economy and therefore in need of requiring some specially arising institution to solve the problem, i.e., fractional reserve banking. ". The problem with this line of thinking is that it presumes full reserves to be the “natural” institution and fractional reserves to be some sort of constructivist idea originating with professional economists (it also works on the assumption that the government can never correct the market, but let’s not get into that). I’m sure that a free banker would respond that, in fact, fractional reserves have spontaneously emerged from the market and that imposing centralized bans on fractional reserves would cause the rigidities. On a similar note, I wouldn’t say it’s an “obsession” on their behalf (nor do I think this is the crux of the argument), rather I see them as emphasizing the less than rigid prices do exist whereas other Austrians tend to take a long run, Humean view when it comes to price rigidities. They’re merely emphasizing what other Austrians have failed to do so, and noting where it affects the argument. The point is that free bankers realize that prices and wages aren’t perfectly flexible as some other Austrians would have them be, this isn’t a normative statement as it is in the new Keynesian view, just a theoretical and empirical observation.
Likewise, you write "Yet the basis of their argument is that some other mechanism has failed, namely prices, so doesn’t it seem absurd that one mechanism is assumed to be capable of performing its function while the other not? " and " It is reminiscient of the government interventionists who rationalize their actions on the basis of market failures yet seem to forget that government failures also exist. Of course, action is not being advocated in their case but the rationalization process is similar. ". In the case of the former I think the free bankers would say that, in fact, what is happening is full reserve bankers would stop the interest rate performing its function. In light of this other prices will have to change to bring consumer demands into equilibrium. Now, the point here is that the interest rate is a single price, it needn’t perform its function instantly. All that is necessary for the free banking argument is that the interest can adjust quicker than the price leve. This much, however, should be clear from the fact that the price level doesn’t adjust instantly, rather, it is a delicate array of millions of price. In regards to the latter quotation I think the point is not that FRB advocates think that we can tweak the market to make it work perfectly, rather, reserve requirements imposed by courts or governments will hamper the market process.
A final point is concerns this remark of yours " It is obvious, though, that the simultaneous cancellation of deposit transferals can persist for some time and thus allow depositers to use their money indefinitely while other borrowers of the reserves also use their money, thus resulting in a larger money supply than would otherwise circulate.". Whilst largely true, this misses the point. What’s important is that if there exists more money that the public wishes to hold, it will be known and adjustments will be made through adjustments of the interest rate. There’s enough work on this that I don’t think I need to explain, but how it is “silly” escapes me. To call anything that isn’t 100% reserve banking silly to the extent that it should never have taken off strikes me as arrogant.
A quick, somewhat offtopic, remark would be that whilst a high level of aggregation does obscure the nature of economic relationship, aggregation per se isn’t bad. Even Rothbard talks of the price level, the interest rate, the money supply. All of which abstract something. As I heard Roberts and Boudreaux discuss in a podcast the other day, the level of aggregation necessary is an art. As somebody who finds value in Austrian capital theory I think labeling it “K” is too simple, on the other hand a 1 to 1 depiction of the rust belt (to use Garrison’s example) isn’t very useful either.