Supply networks: Instabilities without overload Debsankha Manik, Dirk Witthaut, Benjamin Schäfer, Moritz Matthiae, Andreas Sorge, Martin Rohden, Eleni Katifori and Marc Timme Eur. Phys. J. Special Topics, 223 12 (2014) 2527-2547 Published online: 26 September 2014 DOI: 10.1140/epjst/e2014-02274-y