We explore the complementarities between high-skill emigration and poverty in developing countries. We build a model endogenizing human-capital accumulation, high-skill migration and productivity. Two countries sharing the same characteristics may end up either in a “low poverty/low brain...

The ability of fiscal policies to smooth macroeconomic fluctuations under the constraints imposed by the Maastricht Treaty is at the heart of the current policy debate in Europe. A two-country intertemporal stochastic general equilibrium model is used in order to evaluate the efficiency of...

We develop a model of commodity tax competition with monopolistically competitive internationally mobile firms, transport costs, and asymmetric country sizes. We investigate the impacts of non-cooperative tax setting, as well as of tax harmonization and changes in the tax principle, in both the...

In the context of a stylised gaine theoretical framework of capital tax competition, we show that when repeated policy interactions are associated to a systematic punishment of the deviating policymaker, a coordinated outcome can be the solution to the non cooperative tax game. This resuit...

We derive a general optimal income tax formula when individuals respond along both the intensive and extensive margins and when income effects can prevail. Individuals are heterogeneous across two dimensions: their skill and their disutility of participation. Preferences over consumption and...

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 studie the optimal income redistribution and monitoring when disability benefits are intended for disabled people but where some able agents with high distastes for work mimic them (type II errors). Labour supply responses are at the extensive margin and endogenous takeup costs burden...

In recent years Western governments have introduced a number of emergency measures in their fight against short run unemployment. In this paper a normative analysis concerning the joint implementation of two such measures is offered, viewing unemployment as involuntary, and taking account of the...

Very few studies have explored the optimality properties of the "standard model" of fertility where parents must determine their optimal trade-off between quality and quantity. The present paper works to fill that gap and find three main results. First, when there exist positive externalities in...

The current unemployment insurance and employment protection legislation were set up in an economic environment in which relationships between workers and firms were typically lon-lastingand stable. The increasing globalisation of the economy and the rapid technological and organisational...