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In this paper we propose an aggregate measure of income inequality for the founding countries of the European Monetary Union. Applying the methodology of the Theil index we are able to derive a measure for Euroland as a whole by using complementary data from the European Community Household Panel and the Luxembourg Income Study. The property of additive decomposability allows us to determine each country's contribution as well as that of each demographic group to overall income inequality. In addition the impact of government transfers on this inequality measure is assessed.

We suggest a methodology to calibrate a collective model with household specific bargaining rules and marriage specific preferences that incorporate leisure exter nalities. The empirical identification relies on the assumption that some aspects of indi vidual preferences remain the same after marriage, so that estimation on single individuals can be used. The procedure maps the complete Pareto frontier of each household in the dataset and we define alternative measures of a power index. The latter is then regressed on relevant bargaining factors, including a set of variables retracing the potential relative contributions of the spouses to household disposable income. In its capacity to handle complex budget sets and labor force participation decisions of both spouses, this frame work allows the comparison of unitary and collective predictions of labor supply reactions and welfare changes entailed by fiscal reforms in a realistic setting (see Michal Myck et al., 2006; Denis Beninger et al., 2006).

Discontinuities in the employment profile are supposed to cause wage cuts since they imply an interruption in the accumulation of human capital as well as a depreciation of the human capital stock built up in the past. In this paper, we estimate the return to effective experience, taking into account both the timing and the duration of non-work and part-time employment spells. Estimation results for German women suggest that deviations from full-time employment are associated with significant wage cuts owing to the depreciation of human capital. Postponing the discontinuity leads to a further fall of the wage rate. Controlling for individual heterogeneity with respect to industry sector and job position decreases the estimated depreciation rates. This we interpret as an indication for segregation in the labor market. We conclude that traditional wage estimations that do not control for depreciation underestimate the return to effective experience.