The Emerald handbook of Public-Private Partnerships in developing and emerging economies [electronic resource] : perspectives on public policy, entrepreneurship and poverty / edited by João Leitão, University of Beira Interior, CEG-IST, University of Lisbon and IME, Universidad de Salamanca, Elsa de Morais Sarmento, University of Aveiro and NOVAFRICA, Nova Business School of Management and Economics, João Aleluia, Instituto Superior Técnico, University of Lisbon