> Goods have prices, no?

Yes, because they are property. And only because of that they can be senseful and meaningful put into the economic system with certain values and certain roles assigned to them. In Marxism-Leninism, this was not the case. Money to them was merely an order of the government's dictate. There was no trade either.

> You can pick option #2 if you prefer - "anything that is now scarce or finite".

The mind is always scarce, too. Or so I have learned.

WAHARBL!