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SasqWatch
There's a preview at Edge Online titled Setting Out in Skyrim that describes a demo they received with Todd Howard:
More information.The freedom to define your character’s abilities is matched by the freedom to choose where you go and what you do there. Although Skyrim offers an explorable area much the same size as Oblivion’s, its degree of simulation has been considerably expanded. Everything you see a character do, you can do as well, Howard explains, as he stands beside a lumber mill in the town of Riverwood, where a man is busily piling logs. These professions are part of a simulated economy, too. Sabotage the lumber mill and wooden items, like arrows, will become scarce. The degree to which the player will be able to plunge the province into financial crisis is yet undetermined, however.