Correlates of using the billing system of a mobile network operator to pay for digital goods and services. - Torsten J. Gerpott; Phil Meinert (Inf. Syst. Frontiers, 2016)

Who signs up for NFC mobile payment services? Mobile network operator subscribers in Germany. - Torsten J. Gerpott; Phil Meinert (Electron. Commer. Res. Appl., 2017)

Choosing a wrong mobile communication price plan: An empirical analysis of predictors of the degree of tariff misfit among flat rate subscribers in Germany. - Torsten J. Gerpott; Phil Meinert (Telematics Informatics, 2017)

Not just every user of mobile music streaming shares the same characteristics: A classification analysis of mobile network operator subscribers in Germany. - Torsten J. Gerpott; Phil Meinert (Telematics Informatics, 2019)