I would argue most people’s revealed preference of utility wrt money is either incoherent or lumpy enough that describing it with a simple curve isn’t really valid.
I think most people’s revealed preferences are quite coherent once you assume that gambling is as much a purchase of a dream(lotteries) or an entertainment experience(poker, blackjack, etc.) as it is a strictly financial bet.
I would argue most people’s revealed preference of utility wrt money is either incoherent or lumpy enough that describing it with a simple curve isn’t really valid.
I think most people’s revealed preferences are quite coherent once you assume that gambling is as much a purchase of a dream(lotteries) or an entertainment experience(poker, blackjack, etc.) as it is a strictly financial bet.