Gold has both private uses (depletion uses and service uses) and government uses. It can be obtained from mines with high extraction costs and quantitatively the gain in welfare and its distribution. Any policy in a class maximizes welfare from private uses. One policy involves selling all...

We examine the problem of the intertemporal allocation of the solid waste of cities within the United States to spatially distributed landfills and incinerators, taking into account that capacity at existing and potential landfills is scarce. Amendments to the Solid Waste Disposal Act have been...