This is a course for Economics and Administrative Sciences students in the upper courses of the preparatory school. Its aim is to familiarize the students with some basic concepts and theories in economics and political science and to prepare them for their first classes in political economy. Topics covered include: the market system and how it works, taxes and the government budget, trade, sovereignty, the state and its organs, elections and political parties. Biographies of major thinkers like Adam Smith, Thomas Malthus, J. J. Rousseau and J. S. Mill are also presented. The basic text used for the course is a series of dialogues covering economics and politics. The students are actively encouraged to speak up, to take notes as the instructor speaks and to make précis summaries of written material presented in class.