https://nova.newcastle.edu.au/vital/access/ /manager/Index en-au 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:40032 N=66) competed with hypothetical funds against each other. We report null effects of step-rate and volatility on bidding behaviour. We developed a novel adaptation of prospect theory to account for group bidding behaviour by balancing certainty and subjective expected utility. We show the model is sensitive to variation in auction starting price and can predict the associated changes in group bid prices that were observed in our data.]]> Mon 04 Jul 2022 10:25:38 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:53199 Fri 17 Nov 2023 11:49:10 AEDT ]]>