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...

Measurement of technical efficiency is carried out at many levels of aggregation—at the individual branch, plant, division, or district level; at the company- or organization-wide level; at the industry or sectoral level; or at the economy-wide level. In this paper, we examine the conditions...