According to a widely held belief, all who are able to work, should workʺ. We consider this statement within a framework of non-linear taxation. The crucial difference between our model and the standard model is that the government can distinguish between productive persons and the disabled. A...

I consider the problem faced by an issuer holding a portfolio of securities that can be sold to raise cash. The issuer has private information that affects the value of all of the securities held, and so faces a lemons problem in the market for the securities. On the other hand, the issuer bears...