The random preference (RP) model provides an integral framework for modeling within-individual heterogeneity in choice behavior, by attributing this heterogeneity to preference parameters in the underlying theory of risk attitudes instead of an additive error term that is external to the theory....

Interpersonal heterogeneity in risk attitudes is a regular feature of experimental data on decision making under risk. Despite a growing consensus on the use of the random coefficient or hierarchical model to accommodate this heterogeneity, there is a burgeoning Bayesian-classical divide...