Stefan's publications/activities

Stefan's academic articles

2009

Harhoff, D., & Wagner, S. (2009). The duration of patent examination at the european patent office. Management Science, 55(12), 1969-1984. https://doi.org/10.1287/mnsc.1090.1069

2008

Wagner, S. (2008). Business method patents in Europe and their strategic use - Evidence from franking device manufacturers. Economics of Innovation and New Technology, 17(3), 173-194. https://doi.org/10.1080/10438590600984042

Schulz, C., & Wagner, S. (2008). Outlaw community innovations. International journal of innovation management, 12(3), 399-418. https://doi.org/10.1142/S1363919608002084

2007

Czado, C., Erhardt, V., Min, A., & Wagner, S. (2007). Zero-inflated generalized Poisson models with regression effects on the mean, dispersion and zero-inflation level applied to patent outsourcing rates. Statistical Modelling, 7(2), 125-153. https://doi.org/10.1177/1471082X0700700202

2006

Jerak, A., & Wagner, S. (2006). Modeling probabilities of patent oppositions in a Bayesian semiparametric regression framework. Empirical Economics, 31(2), 513-533. https://doi.org/10.1007/s00181-005-0047-0

Stefan's practitioner articles

2019

Wagner, S. (2019). Losing employees to a rival company can have an upside. HR magazine. https://www.hrmagazine.co.uk/content/features/losing-employees-to-a-rival-company-can-have-an-upside/

Wagner, S., & Goossen, M. C. (2019). The Upside of Losing Innovative Employees to Competitors. Harvard Business Review. https://hbr.org/2019/07/the-upside-of-losing-innovative-employees-to-competitors

2018

Wagner, S., & Runge, J. (2018). NOTHING IS FREE: Data-driven optimisation unlocks freemium business models' real potential. European business review, 47-50.

other publications

2021

Pape, L.-D., Helmers, C., Iaria, A., Wagner, S., & Runge, J. (2021). Price Discrimination and Big Data: Evidence from a Mobile Puzzle Game. CEPR Discussion Paper Series Nr. DP16706 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3952016

2016

Runge, J., Wagner, S., Claussen, J., & Klapper, D. (2016). Freemium Pricing: Evidence from a Large-scale Field Experiment. https://doi.org/10.2139/ssrn.2888471

2009

Ermecke, R., Mayrhofer, P., & Wagner, S. (2009). Agents of diffusion - Insights from a survey of Facebook users: Proceedings of the 42nd Annual Hawaii International Conference on System Sciences, HICSS. Beitrag in 42nd Hawaii International Conference on System Sciences, Hawaii, USA / Vereinigte Staaten. https://doi.org/10.1109/HICSS.2009.51

Stefan's books/book chapters

2016

Süssmuth, B., & Wagner, S. (2016). A Market's Reward Scheme, Media Attention, and the Transitory Success of Managerial Change. in Sports Economics: Present and Future Impact on General Economics (S. 258-278). Walter de Gruyter. https://doi.org/10.1515/9783110511185-005

2009

Harhoff, D., & Wagner, S. (2009). Regressionsanalyse. in Theorien und Methoden der Betriebswirtschaft: Handbuch für Wissenschaftler und Studierende (1 Aufl., S. 469-482). https://doi.org/10.15358/9783800644377_469

2006

Wagner, S., & Harhoff, D. (2006). Economic analyses of the european patent system. Springer Science and Business Media B.V. https://doi.org/10.1007/978-3-8350-9050-7