"Ticket hoarding" is the practice of people buying more tickets than they need. This results in (and is caused by) tickets quickly selling-out, so that naive late-comers cannot plan to attend.

Ticket hoarding hurts the event: attendees are denied the participation and planning of those who want to attend but cannot. As well, those who miss out have an incentive to hoard tickets themselves next time.

But there is a positive side: the event is virtually guaranteed to sell out while ensuring that fewer people actually go, which means less hassle during the event.

I'm inaugurating this thread to discuss ticket hoarding specifically, including resources, links and opinions.

As I see it, hoarding is an economic issue, and there are probably very smart people out there who have studied it. Perhaps they have insight that will help make PDF an even better, more inclusive event.