An indivisible good is an ideal type with interesting properties and strong implications about public policy. It is a good - such as a heart transplant or a treatment for AIDS - that must be consumed in a fixed amount or not at all. The community's demand curve for an indivisible good is a...

Patents raise the price and reduce consumption of the patented good, but the resulting deadweight loss is thought to be worth bearing when patent protection is required as an incentive to invention. The newly-invented good generates a residual surplus, making people better off than they would be...