@article{eprints1504,
           pages = {123--125},
          number = {3},
          volume = {9},
           month = {March},
            year = {2013},
           title = {Complex derivatives},
          author = {Stefano  Battiston and Guido Caldarelli and Co-Pierre Georg and Robert May and Joseph Stiglitz},
       publisher = {Nature Publishing Group},
         journal = {Nature Physics},
        keywords = {
Statistical physics, thermodynamics and nonlinear dynamics

},
             url = {http://eprints.imtlucca.it/1504/},
        abstract = {The intrinsic complexity of the financial derivatives market has emerged as both an incentive to engage in it, and a key source of its inherent instability. Regulators now faced with the challenge of taming this beast may find inspiration in the budding science of complex systems.}
}