A dynamic simulation model allows one to show that since the end of the war, there has been a strong growth of household patrimonies, both in volume and in price terms. This growth has also been accompanied by a growth in inequality. Since 1962, the gap between the rich and the poor has essentially been fixed in the case of household patrimonies. This is explained in particular by the important surplus value of patrimonies held by independent and salaried persons; these latter own real estate, and have an advantage over salaried renters, especially those who are aged. A policy of reducing the inequalities of patrimony would mean first, a strong rise in revenues at the bottom end of the pay scale; and secondly, a larger distribution of housi...