Makarov, Dmitry; Schornick, Astrid V. - In: Finance Research Letters 7 (2010) 3, pp. 170-177
There is a simple but overlooked way of capturing the wealth effect under CARA utility via making the absolute-risk aversion parameter wealth-dependent. We implement this approach in the asymmetric information setting of Verrecchia (1982), and compare it with the alternative approach of changing...