This book presents a complete summary of the major results in duality theory pioneered by Ronald W. Shephard. Building on this base, the authors present new findings including the duality relationship between the profit function and the eight equivalent representations of technology that were...

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...