There are theoretical foundations which allow hypothesizing on a positive association of life expectancy or retirement age with income. If both cannot be falsified, the relationship of income and the internal rate of return of a public pension system is not straight forward. By application of a...

To counteract aging populations, statutory pay-as-you-go pension systems are subject to fundamental reforms in many Western societies. Starting with cohort 1937, Germany introduced permanent pension deductions for early retirement. This paper examines the evolution of the profitability of...