The goal of this paper is to determine the impact of the settings of labour standards on the level of dualism, employment and wages. Contrary to the "conventional wisdom", we show that the reinforcement of dualism due to the improvement of labour standards is not automatic. Under certain...

In this paper, we propose to solve the circular packing problem (CPP) whose objective is to pack n different circles C(i) of known radius r(i) , i = 1, …, n into the smallest containing circle C. The objective is to determine the radius r of C as well as the coordinates (x(i) , y(i)) of the...

Tax cuts create simultaneously a lack of tax receipts and more savings ready to be changed into public bonds and compensate this shortage of tax revenue. A part of tax resources is replaced by borrowing and those who are enjoying tax cuts are also receiving interest from government. The...

This paper is the French contribution for an international comparative survey directed by the Japan Institute for Labour Policy and Training (Tokyo). It assesses available empirical data, analyses and debates. It obeys to the standard architecture of the international questionnaire :...

Are scientific arguments used for analysing "sustainable development" ? This issue is at the core of the EBP-biosoc research project of which we present a few aspects on the use of scientific knowledge through "Evidence Based Policy" method. The use of such a framework in social sciences...

The RMI programme combines an allowance, associated rights, social accompaniments and activation measures. Since its creation in 1988, the operation of the programme has led to distinguish 3 modes of implementation ; minimum welfare, additional wages and unemployment benefit. The variety of its...

Our earlier papers had extended to asymmetric information some classical existence theorems of general equilibrium theory, under the standard assumption that agents had perfect foresights, that is, they knew at the outset which price would prevail tomorrow on each spot market. Yet, observation...

In a Constant Proportion Portfolio Insurance (CPPI) framework, a constant risk exposure is defined by the multiple of the strategy. This article proposes an alternative conditional multiple estimation model, which is based on an autoregressive quantile regression dynamic approach. We estimate...

This working paper analyses temporary agency work in France, focusing both on the regulatory framework of the sector, and on the characteristics of firms and employees. The growth of the sector over the last 15 years has favoured the concentration of the big firms, but the smallest agencies have...

This research focus on the congestion cost of the Parisian ring-road. We mobilize a speed-density relation which enables us to differentiate the costs of the road's use and its congestion according to speed-classes of 5 km/h. We lead this work at three analytical scales thanks to a large...