I'm not a huge fan of how deadweight loss is defined in the article: > virtually all economists agree that land value tax has zero "deadweight loss"–a fancy word for a drag on the economy that makes certain activities no longer profitable Property taxes tax the land + the building. Building taxes are complicated to assess. They require tax assessments, appraisers, tax code, accountants to compute depreciation schedul…
So, if you want to disentangle the price of the land from the price of the building, then you're back to appraisers and accountants... and deadweight loss.
And:
> A land tax wouldn't impose an additional tax to the landowner for improving the value of their land.
How would it not? Do you just keep the land price from 1874 as the "value"? Or do you use the current price of raw land? What's the current price of raw land in Manhattan?