As stated originally, the venerable law of one price succinctly describes long-run equilibrium in a perfectly competitive market. The law was later amended, defining a market as the geographic area within which the same thing sells for the same price at the same time, allowance being made for...

In the face of growing pressure on our natural landscapes and increasingly bitter conflict over their management and use, simply defending the status quo is not enough. Finding a balance between producing commodities, such as lumber, and maintaining amenities, such as open space, is crucial if...