Sure, if you want to sell. But if only some of the people want to sell, then the problem of non-compensated externalities arises again. It's a classic collectiv

Sure, if you want to sell. But if only some of the people want to sell, then the problem of non-compensated externalities arises again. It's a classic collective action problem arising mostly from the fact that things like air rights, street space, and so on, are barely tradable.