The Work Capability Assessment governs entitlement to the Employment and Support Allowance - the social security benefit for people who are incapable of work. It is based on rules which decide entitlement according to the combination of impairments experienced by the claimant. This paper...

We survey the literature on social insurance, focusing on recent work that has connected theory to evidence to make quantitative statements about welfare and optimal policy. Our review contains two parts. We first discuss motives for government intervention in private insurance markets, focusing...