Aggregation -- Aggregating Farrell Efficiency Indexes -- Luenberger Productivity Indicators -- Aggregation Across Inputs and … efficiency measures as special cases providing a unifying framework for existing productivity and efficiency measures. It is also … flexible enough to open up new areas in productivity and efficiency analysis such as environmen­ tal and aggregation issues …

Economists have long studied the efficiency of firms, industries, and entire economies. This volume brings together … leading scholars to make connections between efficiency and a number of diverse areas of current interest to economists …, including an examination of the efficiency of tax systems across generations that overlap, and the efficiency of firm mergers …

We review nonparametric estimation of efficiency and productivity, by which we mainly mean activity analysis, or data …