"Estimates of local land rents and firm productivity from wage and housing-cost data should incorporate parameters from the housing production function. Across cities, differences in amenity values are capitalized into the sum of local land values and federal-tax payments. Improved modeling is...

Since the 1990s, efficiency and benchmarking analysis has increasingly been used in network utilities research and regulation. A recurrent concern is the effect of environmental factors that are beyond the influence of firms (observable heterogeneity) and factors that are not identifiable...