Achille Lemmi presentation at the 49th Meeting of the Italian Statistical Society (SIS) – University of Palermo 20-22 June 2018: ” Evaluating sustainability through an input-state-output framework: the case of the Italian provinces” (Laura Neri, Achille Lemmi, Federico Maria Pulselli) – Solicited Session “New Challenges in the Measurement of Economic Insecurity, Inequality and Poverty” (21.06.2018)