I know you were not using the term incorrectly. My problem is with the term, altogether.
As you've said, you wish to have a higher tax on land. That is very reasonable, and a policy position that one could examine within the established context of our property tax regime.
> Property tax doesn't adequately tax the value of the land. That's the whole point. This was a vacant, unbuilt lot in the heart of New York City. For ~thirty years. That shouldn't even be a thing ever.
No tax will prevent this behavior if the final benefit to the owner is high enough.
How would a land value tax on three adjacent parcels stop an investor from waiting 30 years for the chance to combine the parcels and unlock far greater value?