De Giorgi, Enrico; Hens, Thorsten; Rieger, Marc Oliver - In: Journal of Mathematical Economics 46 (2010) 5, pp. 633-651
The paper first shows that financial market equilibria need not to exist if agents possess cumulative prospect theory preferences with piecewise-power value functions. This is due to the boundary behavior of the cumulative prospect theory value function, which might cause an infinite...