We develop a methodology to sign output distortions in the random participation framework. We apply our method to monopoly nonlinear pricing problem, to the regulatory monopoly problem and mainly to the optimal income tax problem. In the latter framework, individuals are heterogeneous across two...

This paper suggests, on the basis of the New Keynesian model, a measure of the degree of conservatism of the European Central Banker. At first, we notice that the appointment of the President of the European Central Bank was made after substantive disagreements about the degree of conservatism...

Using a two country DGSE combining nominal rigidities and financial frictions, we show that the persistence of output and inflation asymmetries observed since 1999 in an increasingly integrated EMU is not necessarily puzzling. Only the integration of final goods markets unambiguously leads to a...

OECD countries are concerned with strong male-female disparities in the labour market, in particular : with a wage gap in favour of men; with a strong gender occupational segmentation. Altough empirical studies suggest male-female difference in work attitudes have a part in these facts, this...

This article analyzes the consequences of environmental public policy when private agents have access to abatement activity, financed by private contributions. The issue at stake is the interactions between private involvement in abatement activities and public intervention. The analysis of the...

In this paper, we examine the consequences of delaying retirement in an overlapping generations model with domestic production and parental transfers in the form of grandchild care. We show that a change in age at retirement influences the employment rates of both young and the old. This...

We model environmental interaction among countries as a policy game where government in each country use quotas or taxes as a strategy variables. The environmental policy has a triple role to play : targeting domestic emission, providing strategic advantages for domestic firms and targeting...

The duality between measures of economic and technical efficiency has been extensively studied in the productive efficiency analysis. This duality ensures a meaningful interpretation of technical efficiency as economic efficiency evaluated at the most favourable shadow prices. This paper...

Even in countries where there is a male-biased sex ratio, it is still possible for the marriage market to be balanced if men marry younger women and population is growing. We define a missing Brides Index to reflect the intensity of the possible imbalance at steady state, taking into account the...

Consider an economy populated by males and females, both rich and poor. The society has to choose one of the following marriage institutions: polygyny, strict monogamy, and serial monogamy (divorce and remarriage). After having identified the conditions under which each of these equilibria...