I've thought about something like this-- self-assessment seems very promising. Two notes: * If a person's offer is accepted to buy their land, we need to figu

I've thought about something like this-- self-assessment seems very promising. Two notes: * If a person's offer is accepted to buy their land, we need to figure out how to agree upon the price of the improvements, too. I could imagine a system of arbitrators being useful here. * People's natural loss-aversion would be a problem here-- one would expect a person to overstate the worth of their land by 50% or so.