Red-Light Taxes and Green-Light Taxes Mason Gaffney For the Conference, "Sharing Our Common Heritage: Resource Taxes and Green Dividends" Mansfield College, Oxford, 14 May 1998 http://www.wealthandwant.com/docs/Gaffney_RLT&GLT.html Quote: "Georgists need to introspect deeply over this case, and many like it, and master the theory and practice of marginal-cost pricing as developed so ably by closet Georgist economists like Harold Hotelling and William Vickrey."