The object of this article concerns the effect of the exogenous jobs’ complexity on the companies’ behavior regarding the qualification choices. Using a specific comparison model in which workers are vertically differentiated, we are able to demonstrate that in case of a skill-biased...

The rising disparities, to the detriment of less qualified workers, is certainly one of the most worrisome trends to which the developed countries have to face. Nevertheless, this deteriorating didn't have the same effects in all the countries. Indeed, in the Anglo-Saxon countries, the incomes...

The development of working poor class led the concerned countries to look for policies to reduce this poverty in the work without interfering with the flexibility of the labor market as in the case of the minimum wage legislation. In this perspective, several measures were implemented. Following...

In this article, we stress the effect of a Negative Income Tax (NIT) scheme on the firms' behaviour as regards their technological choices. Within the framework of a matching model with differentiation of the agents, we show that a NIT reduces inequalities and rises employment making agents less...

In labour economics theory, wage negotiations use to rely on a Symmetric Nash Bargaining Solution. The aim of this study is to show that this kind of solution may be not relevant. Indeed, in a matching model framework, the comparison with the Kalai-Smorodinsky Solution suggests that a reflection...

The aim of this paper is to analyze the decision-making process of a targeted country threatened by a terrorist group. This country has the choice between improving his arms, forming an alliance with a border country or negotiating with the terrorists. However, his resource do not enable him to...

Using a matching model in which agents are horizontally differentiated and where the nature of jobs is endogenous. We study the public policies effects on selectivity and labour market performance. We show that in a matching model where technological choices are endogenous and the wage setting...

This article examines the effects of the negative income tax, in a matching model, on labor market participation. We show that the introduction of such instrument reduces unemployment and improves the situation of the poorest. But, amazingly, it provokes a fall on labor market participation...

This article aims to understand how public policies affect the behavior of agents in terms of selectivity. In other words, we explain how the state of the labour market and, in particular the qualification level of workers, affects the technological choices of firms. Using a matching model in...