As a measure of overall technical inefficiency the Directional Distance Function (DDF) introduced by Chambers, Chung, and Färe ties the potential output expansion and input contraction together through a single parameter. By duality, the DDF is related to a measure of profit inefficiency, which...

Intro -- Foreword -- Acknowledgments -- Contents -- List of Figures -- List of Tables -- Introduction -- References: Introduction -- Data Envelopment Analysis, in Brief, with Little Math! -- Introduction -- Chapter 1: DEA Models Overview -- Basic DEA Models -- Introduction -- Model Types --...