I also think the article Prices in a Planned Economy is quite useful for the period after which all property is publicly owned and thus markets cease to exist.
i know that i would still work mostly because i need the structure and also because my sense of self worth is improved if i build things with my own hands. (fingers)
As many as there are splits in Marxism, from Marxism-Leninism to Maoism to Trotskyism to Marxism-Leninism-Maoism to Ultraleftism to infinity and beyond!