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Johannes Wachs

Johannes Wachs Ph.D.
+43 1 31336 6477
About me:
I am an assistant professor (non-TT) at the Institute for Information Business of the Vienna University of Economics and Business (WU Wien). I am also affiliated with the Complexity Science Hub. My research examines social, technical, and economic networks and their effects on society.
Contact information and photo taken from and editable at WU Directory.


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Editor of a scientific journal
  2021 EPJ Data Science - Lead Guest Editor of Journal Special Issue
Organization scientific meeting (Conference etc.)
  2021 Networks Conference - Satellite Organizer


Journal article

2022 Fazekas, Mihaly, Ferrali, Romain, Wachs, Johannes. 2022. Agency independence, campaign contributions, and favouritism in US federal government contracting. Journal of Public Administration Research and Theory. open access (Details)
  Papoutsoglou, Maria, Rigas, Emmanouil, Kapitsaki, Georgia, Angelis, Lefteris, Wachs, Johannes. 2022. Online labour market analytics for the green economy: The case of electric vehicles. Technological Forecasting and Social Change. 177 (Details)
  Sikdar, Sandipan, Sachdeva, Rachneet, Wachs, Johannes, Lemmerich, Florian, Strohmaier, Markus. 2022. The Effects of Gender Signals and Performance in Online Product Reviews. Frontiers in Big Data. 4 (77140) open access (Details)
  Wachs, Johannes, Nitecki, Mariusz, Schueller, William, Polleres, Axel. 2022. The Geography of Open Source Software: Evidence from GitHub. Technological Forecasting and Social Change. 176 open access (Details)
2021 Kertész, János, Wachs, Johannes. 2021. Complexity science approach to economic crime. Nature Reviews Physics. open access (Details)
  Wachs, Johannes, Vedres, Balazs. 2021. Does crowdfunding really foster innovation? Evidence from the board game industry. Technological Forecasting and Social Change. 168 open access (Details)
  Toth, Gergo, Wachs, Johannes, di Clemente, Riccardo, Jacobi, Akos, Sagvari, Bence, Kertesz, Janos, Lengyel, Balazs. 2021. Inequality is rising where social network segregation interacts with urban topology. Nature Communications. 12 (1143) open access (Details)
  Gessler, Theresa, Toth, Gergo, Wachs, Johannes. 2021. No Country for Asylum Seekers? How Short-Term Exposure to Refugees Influences Attitudes and Voting Behavior in Hungary. Political Behavior. open access (Details)
  Hagar, Nick, Wachs, Johannes, Horvat, Agnes. 2021. Writer movements between news outlets reflect political polarization in media. New Media & Society (NMS). open access (Details)
2020 Wachs, Johannes, Fazekas, Mihaly. 2020. Corruption and the Network Structure of Public Contracting Markets across Government Change. Politics and Governance. 8 153-166. open access (Details)
  Wachs, Johannes, Fazekas, Mihaly, Kertesz, Janos. 2020. Corruption risk in contracting markets: a network science perspective. International Journal of Data Science and Analytics. open access (Details)
2019 Wachs, Johannes, Kertesz, Janos. 2019. A network approach to cartel detection in public auction markets. Scientific Reports. 9 (10818) open access (Details)
  Wachs, Johannes, Hannak, Aniko. 2019. Gender differences in participation and reward on Stack Overflow. Empirical Software Engineering. 1-23. open access (Details)
  Wachs, Johannes, Yasseri, Taha, Lengyel, Balazs, Kertesz, Janos. 2019. Social capital predicts corruption risk in towns. Royal Society Open Science. 6 (4) open access (Details)

Chapter in edited volume

2021 Czibik, Agnes, Fazekas, Mihaly, Sanchez, Alfredo Hernandez, Wachs, Johannes. 2021. Networked Corruption Risks in European Defense Procurement. In: Corruption Networks Concepts and Applications, Hrsg. Granados, Oscar M. and Nicolas-Carlock, Jose R. 67-87. New York: Springer International Publishing. open access (Details)

Contribution to conference proceedings

2021 Moldon, Lukas, Strohmaier, Markus, Wachs, Johannes. 2021. How Gamification Affects Software Developers: Cautionary Evidence from a Natural Experiment on GitHub. In 2021 IEEE/ACM 43rd International Conference on Software Engineering (ICSE), Hrsg. , 549-561. Madrid: IEEE Computer Society Press. open access (Details)
  Papoutsoglou, Maria, Wachs, Johannes, Kapitsaki, Georgia. 2021. Mining DEV for Social and Technical Insights about Software Development. In 2021 IEEE/ACM 18th International Conference on Mining Software Repositories (MSR), Hrsg. . 415-419. Madrid: IEEE Computer Society Press. open access (Details)
2018 Wachs, Johannes, Daroczy, Balint, Hannak, Aniko, Pall, Katinka, Riedl, Christoph. 2018. And now for something completely different: Visual novelty in an online network of designers. In 10th ACM Conference on Web Science, Hrsg. . 163-172. Amsterdam: ACM Press. (Details)
  Horvat, Agnes, Wachs, Johannes, Hannak, Aniko. 2018. The Role of Novelty in Securing Investors for Equity Crowdfunding Campaigns. In Sixth AAAI Conference on Human Computation and Crowdsourcing (HCOMP 2018), Hrsg. Chen and Kazai, 1-10. Zurich: None. open access (Details)
2017 Wachs, Johannes, Hannak, Aniko, Voros, Andras, Daroczy, Balint. 2017. Why Do Men Get More Attention? Exploring Factors Behind Success in An Online Design Community. In Proceedings of the Eleventh AAAI International Conference on Web and Social Media (ICWSM 2017), Hrsg. Derek Ruths, 1-10. Montreal: None. open access (Details)


The Geography of Open Source Software (2020-2021) (Details)
Open (Science) Data Usage - A linkage infrastructure for reuse and data citation analytics (2020-2021) (Details)