There is an intensive debate about old-age poverty in Germany that has induced political parties to develop proposals for higher pensions of poor pensioners in light of the federal elections of September 2013. In addition, several proposals from economists aim at reforming the pension system in...

In this paper, we extend Henning Bohn's (2008) fiscal sustainability test by allowing for slope heterogeneity and cross-sectional dependence (CD). In particular, our econometric approach is the first that allows fiscal reaction functions (FRF) to capture unobserved heterogeneous effects from...