Chapter 1: Introduction -- Chapter 2: Conceptual background: firms’ objectives, decision variables and economic efficiency -- Part I -- Chapter 3: Shephard’s input and output distance functions: cost and revenue efficiency decompositions -- Chapter 4: The generalized distance function (GDF):...

Chapter 1. Introduction -- Chapter 2. New Definitions of Economic Cross-Efficiency -- Chapter 3. Evaluating Efficiency in Non-Homogeneous Environments -- Chapter 4. Testing Positive Endogeneity in Inputs in Data Envelopment Analysis -- Chapter 5. Modelling Pollution-Generating Technologies: A...

We analyze the technical efficiency of German and Swiss urban public transport companies by means of SFA. In transport networks we might face different network structures or complexities, not observed, but influencing the production process. The unobserved factors are typically modeled as...