T. Hellmann, and F. Panebianco, The transmission of continuous cultural traits in endogenous social networks, Center For Mathematical Economics, Bielefeld, 2018.
M. Günther, and T. Hellmann, “International environmental agreements for local and global pollution”, Journal of Environmental Economics and Management, 2017, 81, 38-58.
H. Dawid, and T. Hellmann, R&D Investments Under Endogenous Cluster Formation, Bielefeld University, Department Of Business Administration And Economics, Bielefeld, 2016.
M. Günther, and T. Hellmann, Local and Global Pollution and International Environmental Agreements in a Network Approach, Center For Mathematical Economics, Bielefeld, 2015.
B. Buechel, T. Hellmann, and M. M. Pichler, “The dynamics of continuous cultural traits in social networks”, Journal of Economic Theory, 2014, 154, 274-309.
B. Büchel, T. Hellmann, and M. Pichler, The Dynamics of Continuous Cultural Traits in Social Networks, Center For Mathematical Economics, Bielefeld, 2012.
B. Buechel, and T. Hellmann, “Under-connected and over-connected networks: the role of externalities in strategic network formation”, Review of Economic Design, 2012, 16, 71-87.
T. Hellmann, Convexity and complementarity in network formation. Implications for the structure of pairwise stable networks, Universität Bielefeld, Bielefeld, 2009.