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

Developments in the market for newspapers and periodicals (No. 454)

(full version only available in German)

Parallel glass fibre expansions on the basis of co-laying and co-use as opportunities for the creation of infrastructure competition (No. 456)

(full version only available in German)

Kabelfernsehen im Wettbewerb der Plattformen für Rundfunkübertragung – Eine Abschätzung der Substitutionspotenziale (Nr. 239)