Many economists do support the land tax, but think it is too low to support government functions. I think a better criteria is - restrict the government only to the extent that you can support with a land tax, since a land tax is basically the approrpriation of a positive externality(civilization all around you)
Many economists do support the land tax, but think it is too low to support government functions.
Why can't the rate just be set higher?
Tangential, but a subject of some local interest:
Why Bitcoin will fail by Avery Pennarun. "The sky isn't red." Thesis:
I'm not sure I buy these and am not competent to evaluate his claims on 3., but would like others' critique.
L019: Bitcoin P2P Currency: The Most Dangerous Project We've Ever Seen by Jason Calacanis. A rather more enthusiastic viewpoint of the project:
The actual text contains many more caveats than the eye-catching selection of points above.