1. Editors' introduction

   • Thomas R. Gulledge
   • C. A. Knox Lovell

   EditorialNotes Pages: 5 - 5

2. Efficiency and ownership in Swedish electricity retail distribution

   • Lennart Hjalmarsson
   • Ann Veiderpass

   OriginalPaper Pages: 7 - 23

3. A comparison of parametric and non-parametric efficiency measures: The case of Norwegian ferries

   • Finn R. Førsund

   OriginalPaper Pages: 25 - 43

4. Allowing for inefficiency in parametric estimation of production functions for urban transit firms

   • Bernard Thiry
   • Henry Tulkens

   OriginalPaper Pages: 45 - 65

5. The relative efficiency of public versus private municipal bus firms: An application of data envelopment analysis

   • Kuo-Ping Chang
   • Pei-Hua Kao

   OriginalPaper Pages: 67 - 84

6. Productivity changes in Swedish pharamacies 1980–1989: A non-parametric Malmquist approach

   • R. Färe
   • S. Grosskopf
   • P. Roos

   OriginalPaper Pages: 85 - 101

7. Variation in productive efficiency in French workers' cooperatives

   • Jacques Defourny
   • C. A. Knox Lovell
   • Aké G.M. G. N'gbo

   OriginalPaper Pages: 103 - 117

8. Technical inefficiency and productive decline in the U.S. interstate natural gas pipeline industry under the Natural Gas Policy Act

   • Robin C. Sickles
   • Mary L. Streitwieser

   OriginalPaper Pages: 119 - 133

9. Measuring technical efficiency in European railways: A panel data approach

   • Henry-Jean Gathon
   • Sergio Perelman

   OriginalPaper Pages: 135 - 151

10. Frontier production functions, technical efficiency and panel data: With application to paddy farmers in India

    • G. E. Battese
    • T. J. Coelli

    OriginalPaper Pages: 153 - 169

11. Estimating efficiencies from frontier models with panel data: A comparison of parametric, non-parametric and semi-parametric methods with bootstrapping

    • Léopold Simar

    OriginalPaper Pages: 171 - 203