For dense urban areas land cost could exceed building cost. However for ghost cities land cost (defined as an opportunity cost) is low to begin with. While buil

For dense urban areas land cost could exceed building cost. However for ghost cities land cost (defined as an opportunity cost) is low to begin with. While building material may have alternative use, if the labor used to build buildings don't have a lot of alternative use then the true economic cost of building a building may be below the headline cost as well.