As I mentioned in another thread, I wrote an article some time ago on the subject of the "Economic Calculation Argument" associated most strongly with the early 20th century economist, Ludwig von Mises. According to Mises, in the absence of market prices, socialism (or communism or anarchism) would not be able to make economic calculations regarding the allocation of resources. Allocation decisions would be made in the dark, so to speak and would tend to result in a grossly inefficient outcome.
I think the whole argument is a bogus one because it assumes that a communist system of production would be a centrally planned as opposed to being a largely self regulating and decentralised system. The idea of central planning can be attacked on other grounds I think it is only when you reject such a model for communism that you can begin to effectively rebut Mises's claims
I would be very interested to hear the views of comrades on this list on this matter. I would also very much appreciate any critical feedback on the article I wrote http://www.cvoice.org/cv3cox.htm as I am still trying to refine my own ideas