How do economists, sociologists and political scientists reason and work?

This is an introductory sequence to present the process and the three main disciplines of S.E.S. Economic and social sciences analyse the major contemporary economic, social and political phenomena. They allow students to better understand the world in which they live and participate in their training as citizens.
SES is mainly composed of three sciences: economics, sociology  and political science. The first step is to characterise the approach of researchers in these disciplines.