Gold and other objects can be searched and Stackable bought several people at once in a single transaction (eg the system you buy items at the best price). More detail in another message.
In short, no, we do not generate objects and gold in the Auction House. This is a feature managed by the players, and things you buy will come only players. There will certainly be situations where you want to buy 1 million gold coins, but with only 850,000 available to the Auction House. In this case, an announcement by the system will be given.
A word about the research system at the end of the game?
We want a global Cheap Diablo 3 Goldresearch system, not just select groups, but this functionality will not be implemented at the end of the game The current group works very well for the moment, especially when you consider that the vast majority of objects are totally random.