virtually absent in labour economics text books. This paper documents the scope for risk, discusses the tough disentanglement of … heterogeneity and risk, surveys the analytical models, laments the absence of a good workhorse model and points out the challenges … worth tackling: document ex ante risk that investors face, develop a tractable and malleable analytical model and integrate …

although risk can be measured, uncertainty cannot be measured. Even though risk can be measured, a simple symmetric measure … attempt at "measuring" risk or (fundamental) uncertainty is flawed. …