Answers to various questions of applied macroeconomics depend on the valuesgiven to elasticities of substitution between the demands for factors, these demands beingaggregated across productive sectors. Such elasticities reflect not only substitutabilities withinproductive sectors, but also...

Drawing on five cross-sections of the French Housing Survey, this paper examines theeffects on co-residence with their parents of the extension of housing allowances tostudents that took place between 1991 and 1993. Two effects are found. First housingallowances provide an increased opportunity...

This paper derives and tests a procedure to estimate a general class of paneldata models that display a change of regime, as well as potential correlationbetween specific effects and explanatory variables. This model detects astructural change for all cohorts on the US labor market in the early...

We model and test the hypothesis that technical and organizational change may be biased againstolder workers. This may occur through a direct adverse effect on their productivity, or throughinsufficient training responses to change. We show that the impact of technical and organizationalchange...