Ploeckl, F.2018-10-212018-10-212017http://hdl.handle.net/2440/115263Public monopolies operate with substantial regional differences in their effciency. This paper uses the Reichspost, the German Imperial Postal Service, to investigate what factors explain these differences. Additionally scale effects and the comparative effciency on input and output side are investigated.enCopyright status unknownProductivity; public service; postal service; GermanyNational rules, regional differences? Explaining the regional efficiency of a public monopolist: the case of the German ReichspostWorking paper0030100151355492Ploeckl, F. [0000-0001-8500-9028]