[LINK] ebay and ticket scalping result

[Brendan Scott]

Jan Whitaker wrote:
> 
> Ebay won. It's just now on the ABC news.
> Big Day Out can't cancel the tickets because they can't be sure the
> tickets were resold.
> The judge wasn't happy about scalping, though, because of a false
> shortness of tickets through scalper buy-ups.

Has anyone ever analysed scalping in any detail (and whether it is overall good or bad for punters)?  Surely if the scalpers buy up too many tickets they may find that they've overpriced them and will need to sell at a loss?