Of liberal trend, Ponsatí directed the Institute of Economic Analysis of the CSIC (Consejo Superior de Investigaciones Científicas) between 2006 and 2012, where she was a teacher as well. She has been a visiting teacher in the universities of Toronto, San Diego and Georgetown. The year 2013 the Spanish government exercised a veto against her, after she exposed her opinion about the independence of Catalonia in different mediae.