Analysing the Entire Wikipedia History with Database Supported Haskell. - George Giorgidze; Torsten Grust; Iassen Halatchliyski; Michael E. Kummer (PADL, 2013)

99 Cent: Price points in e-commerce. - Franz Hackl; Michael E. Kummer; Rudolf Winter-Ebmer (Inf. Econ. Policy, 2014)

Centrality and content creation in networks - The case of economic topics on German wikipedia. - Michael E. Kummer; Marianne Saam; Iassen Halatchliyski; George Giorgidze (Inf. Econ. Policy, 2016)

Externalities in Knowledge Production: Evidence from a Randomized Field Experiment. - Marit Hinnosaar; Toomas Hinnosaar; Michael E. Kummer; Olga Slivko (CoRR, 2019)

When Private Information Settles the Bill: Money and Privacy in Google's Market for Smartphone Applications. - Michael E. Kummer; Patrick Schulte (Manag. Sci., 2019)

Unemployment and Digital Public Goods Contribution. - Michael E. Kummer; Olga Slivko; Xiaoquan (Michael) Zhang (Inf. Syst. Res., 2020)