The remedy was somewhat implied, if only in broad terms: dissolve the State. Though, that post wasn't really intended to explore potential remedies. I also wasn't referring to any sort of utopia. Freedom from coercion is a basic principle of natural law, ethics, and morality--it doesn't require any utopian society. I'm not especially fond of your proposition because it ignores what I view as the more core, fundamental, root problem underlying this entire issue. Quite simply, if there were no initial coercion being employed by the State to acquire the funding necessary to begin these public projects--let alone hire public employees--the issue of their salaries and benefits wouldn't even exist. Aside from that, I'm just generally against the notion of force being used to produce a desired outcome; though it could also be argued that since aggression isn't technically being initiated in the case of such a mandate, it could be arguably within moral parameters. Further than that you'd also run into the issue of determining who or what decides what the 'fair market value' of any particular labor should be. This would likely just lead to more bureaucracy which is typically never a good thing.