You can structure your auction in different ways to discourage this sort of bad behavior. For example: https://en.m.wikipedia.org/wiki/Vickrey–Clarke–Groves_auc

You can structure your auction in different ways to discourage this sort of bad behavior. For example: https://en.m.wikipedia.org/wiki/Vickrey–Clarke–Groves_auction https://en.m.wikipedia.org/wiki/Vickrey–Clarke–Groves_auctio... There's lots of auction theory describing good ways to sell things like parking spaces.