In this article, we test the presence of financial contagion during the subprime mortgage crisis of 2007. For this purpose, we propose a new procedure for testing the non-linearity of the mechanisms of the shock distribution estimated through a model of long-term interdependence. We apply this...

The US financial crisis has underlined the fact that markets tend to be more dependent during the crisis than they are during the pre-crisis periods. This situation is usually referred to as contagion, a notion which has recently attracted the attention of several researchers working on finance...

This paper investigates the relationship between private and public investment in R&D, while taking into account the effect of several instruments policies such as subsidies and taxes. We design a new look of knowledge spillovers and R&D cooperation to explain the contribution of public and...

This paper investigates the relationship between private and public investment in R&D, while taking into account the effect of several instruments policies such as subsidies and taxes. We design a new look of knowledge spillovers and R&D cooperation to explain the contribution of public and...

This study is based on a sample of 100 customers of the Tunisian Post, the objective is to know the impact of digital transformation on the Tunisian Post through the D17 application. Based on our analysis; the results show that mobile payments constitute an attractive solution for individuals...