In many European countries, population aging had led to debate about a switch from conventional unfunded public pension systems to notional systems characterized by individual accounts. In this article, we develop an overlapping generations model in which endogenous growth is based on an...

The future of the social security system is a big issue in industrial world. Population aging raises the question of the adjustment, or even the replacement of unfunded public pension schemes. The ratio between over-60-year-olds and the working age is expected to double between now and 2040, and...

<marquage typemarq="gras"/> We study in an OLG model the key role of the government in the survival of the pay-as-you-go retirement systems. We show that retirement systems with strong contribution rate, as observed in Europe, are long-term viable only if a sufficient part of the rights accumulated by the pensioners when...

In this paper, we analyze the demographic and economic consequences of endogenous migrations flows over the coming decades in a multi-regions overlapping generations general equilibrium model (INGENUE 2) in which the world is divided in ten regions. Our analysis offers a global perspective on...

According to the standard economic approach, the level of redistribution in a democratic society is growing with the inequality of the income distribution. However, data do not support such a finding. In this article, we assert that the canonical model fails first in its basic assumption, the...