Please find below a subject for a PhD in Telecom Bretagne in Rennes, France, in applied mathematics and computer science. ** Subject ** Competition and collaboration in future electricity markets ** Description ** This thesis aims at analyzing the evolution of the Power Grid, from a technical, and mostly economic point of view. It is motivated by the current context of gradual deregulation of the electricity market, that leads to totally new competitive situations. With the development of distributed energy resources, the formation of Micro Grids (energetically self-organized regions), and the evo- lution of the “classical” Power Grid to the so-called Smart Grid, the upcoming electricity markets will dramatically change, involving a soaring number of self-interesting agents (energy producers, carriers, brokers, consumers, and agents simultaneously playing several of those roles). The objective of this thesis is to investigate the new balances of power among those stakeholders, an...