The Ramón Areces Foundation, in collaboration with the Spanish Economic Association, organized in honor of the Nobel Prize in Economics 2014 a roundtable session entitled Jean Tirole: Analysis of market power and regulation. The event took place on Monday, October 27, 2014 in the Auditorium of Ramón Areces Foundation (Vitruvio 5, Madrid) at 19:30 h.The First Vice President of the AEE, Samuel Bentolila, introduced the event.