“There does not exist pure capitalism, there does not exist a free economy. Everything is based on personal interest” – claims Stephanie Müller. An analysis of social protests as a result of the crisis in the financial markets cannot be carried out without considering strictly economic perspective. In this interview economist and journalist Stefanie Müller confronts a scientific approach with her observations drawn from her many years of residence in the European heart of the protests – Madrid, Spain. Interview by Eliza Kania.