Productive efficiency of postal operators (No. 395)

(full version only available in German)

Methods for consumer surveys to identify the needs for universal postal service (No. 396)

(full version only available in German)

Analytisches Kostenmodell Breitbandnetz 2.2

Procedures for determining sectoral productivity growth – International experiences and implications for the German rail infrastructure market (No. 384)

(full version only available in German)

Implications for the management of numbering due to the internationalization of telecommunications networks and services (No. 393)

(full version only available in German)

The economic impact of Internet traffic growth on network operators