This paper analyzes the interconnections of underreported earnings, savings and oldage pension with the help of a most simple, elementary model. The workers can be divided into three groups: 1) well-paid who report their full earnings, 2) well-paid who report only the minimum earnings (evaders)...

When and how to subsidize tax-favored pension accounts? To defend myopic workers against themselves, the government introduces a mandatory system but to help savers, it adds taxfavored retirement accounts. If the mandatory system is progressive, then a proportional voluntary system can...

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,...

To compare the systems of child benefits and of family tax deductions, we create a model with endogenous fertility and basic income, also financed from proportional wage taxes. Pensioners are neglected but younger and older workers are distinguished: the former raise children and receive child...