Chapter 1. Public Pensions Systems. Bibliometric Study of Academic Publications in Scientific Journals -- Chapter 2. Demographic and Social Challenges in the Design of Public Pension Schemes -- Chapter 3. The Public Pension Systems and the Economic Crisis -- Chapter 4. Pensions, Economic Growth...

The aim of this chapter is to review the main instruments and indicators used to measure the sustainability of PAYG pension systems. It will distinguish between defined contribution and defined benefit systems, due to the various implications that each of them has. It will also be necessary to...