Mario La Torre is Full Professor in Banking and Finance at the University of Rome “La Sapienza”. His main research areas are banking and financial intermediaries, financial markets and financial innovation. He is expert in ethical finance, impact finance and microfinance, as well as audiovisual and art financing. He is editor of the book series “Palgrave Studies in Impact Finance” published by Palgrave MacMillan. He has been member of the G8 Taskforce on Social Impact Investments.Mario Calderini is Full Professor in Social Innovation at the School of Management of Politecnico di Milano and he is Director of Tiresia, Centre of Research on Social Innovation and Social Impact Investments. He is President of the Scientific Committee of the Social Impact Agenda per l’Italia and he was previously member of the Social Impact Investment Task-Force. His main research areas are social impact investments and social innovation.

• Chapter 1. Introduction; Mario La Torre, Mario Calderini.- Chapter 2. Investing with Impact: An Integrated Analysis Between Academics and Practitioners; Rosella Carè and Karen Wendt.- Chapter 3. Social Risk and Financial Returns: Evidences from Social Impact Bonds;Elisabetta Scognamiglio, Alessandro Rizzello, and Helen Chiappini.- Chapter 4. The Use of Payment by Results in Healthcare: A Review and Proposal;Alessandro Rizzello, Rossana Caridà, Annarita Trotta, Giuseppe Ferraro, and Rosella Carè.- Chapter 5. Impact Investing Innovation: Bringing Together Public, Private and Third Sectors to Create Greater Value: The Case of the Public Private Partnership Initiative for the New Public Hospital of Treviso; Filippo Addarii, Fiorenza Lipparini, and Francesca Medda.- Chapter 6. The Evolution of a Social Service Crowdfunding Platform Towards an Investing Logic: The Meridonare Case Study; Carmen Gallucci, Michele Modina, and Antonio Minguzzi.- Chapter 7. Benefit-Cost Evaluation of Prevention and Early Intervention Measures for Children and Youth in Sweden; Lars Hultkrantz.- Chapter 8 Impact Measurement for Social Innovation: Analysis of the Spanish Third Sector; Marta Solórzano-García, Julio Navío-Marco, and Mercedes Valcárcel-Dueñas.- Chapter 9. Social Impact Investments Beyond Social Impact Bonds: A Research and Policy Agenda; Helen Chiappini.