We fully display a cohort model of an economy with an aging population, taking into account varying family size, habit formation, inheritance and credit constraints. Filling the model with numbers, we are able to compare different pension reforms: 1. the base run, 2. the reduced accrual rates,...

Over the next four decades, increasing old-age dependency ratios exert an enormous upward pressure on welfare spending in most developed countries. As this is mainly due to existing unfunded public pension schemes, many countries have embarked on far-reaching reforms in this area, strengthening...