Brandt, Nikolai; Drees, Burkhard; Eckwert, Bernhard; … - In: Journal of Economic Theory 154 (2014) C, pp. 604-611
We explore the intuitive idea that more information leads to greater dispersion of posterior beliefs about the expected …. Then, for the class of monotone information systems, we characterize the weakest information criteria that respect OS and … states. Because of OS, the information criteria induce the dispersion orders not only on the posterior expectations of states …