>How is it calculated fairly in the face of "evil landlords [and] corrupt politicians"? Really? That part is trivial. In the US, your local municipality and/

>How is it calculated fairly in the face of "evil landlords [and] corrupt politicians"? Really? That part is trivial. In the US, your local municipality and/or county has very detailed data on each parcel of land. Occasionally, there is a data error, but if you have ever looked up your assessors records, they are pretty darn accurate. PLus, we all have readily accessible satellite data now.