von Hagen, Jürgen; Walz, Uwe - C.E.P.R. Discussion Papers - 1994
and ageing for European social security systems. With uncoordinated social security policies, national pensions funds … compete for contributors whose mobility is the source of indeterminacy. The viability of coordination among national social … security systems depends critically on which policy parameter it is based on. The benefits from coordination are limited and …