We present a definition of increasing uncertainty, in which an elementary increase in the uncertainty of any act corresponds to the addition of an `elementary bet' that increases consumption by a fixed amount in (relatively) `good' states and decreases consumption by a fixed (and possibly...

Any meaningful reform of the US Social Security system must deal with the system's current outstanding accumulated unfunded liabilities. The authors model these as a once-off financial liability payable 'tomorrow'. They show that if the equity premium puzzle arises from adverse selection...