This article proposes a trade restrictiveness quantity index (TRQI) to measure the welfare impact of trade restrictions based on a distance functions approach. The TRQI embodies two Farrell measures of efficiency - respectively for producers and consumers - that can be computed using standard...

Efficiency Indicators And Indexes -- The Nerlovian Profit Indicator -- The Revenue Efficiency Indicator -- Cost Efficiency Indicator -- Efficiency Indexes -- From Indicators to Indexes -- Hyperbolic Efficiency -- Remarks on the Literature -- Environmental Performance -- Good and Bad Outputs --...

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...

"The book uses distance functions, a generalization of the more familiar production function, as the theoretical and empirical tools to construct Lerner indexes of market power in both the input and output markets. The use of distance functions enables us to explicitly account for the effects of...