Patents
"Once the new knowledge is known then everyone knows it: it's "non-excludable and non-rivalrous" in the jargon."
Don't patents stuff that up, if only for 20 years? Patented IP seems to be a private good to this non-economist. OK, that's why they were created in the first place, to give the inventor a reward, but with the current mania for patenting anything and everything the patent system appears to work against innovation in some cases.
Biting the hand that feeds IT
