Here is an updated version of my paper Life Savings Incentives: Consequences, Costs and Solutions to the Organ Shortage. Did you know that it is legal to offer compensation for donating a whole body (e.g. for research purposes) but not legal to compensate an organ donor to save a life? Crazy. Alvin Roth links to a survey of transplant surgeons indicating increasing support for legalizing some forms of compensation (Roth also links to a recent radio interview with yours truly.)
House built from Lego, yes really.