We stress that the demographic changes that Europe will face in the coming decades will have profound consequences not only for the sustainability but also for the adequacy of social security schemes, including pensions. Our paper aims at assessing the consequences of the Ageing Working Group...

This paper examines the hypothesis of a quickening of capital replacement, triggered by the acceleration of technical progress. We present a microeconomic model of replacement processes inspired by the "unbalanced growth" school, highlighting the role of productivity in determining the growth...