ENSAE Paris - École d'ingénieurs pour l'économie, la data science, la finance et l'actuariat

Microeconomics introduction



Department: Economics


This course introduces the elementary methods and concepts used in formalising economic behaviour and the operation of markets.



  1. Modelling individual decisions
  2. Consumer theory- Consumer demand behaviour. From preferences to consumer choice. Rationalising choice with preferences.
  3. Normative welfare analysis
  4. Applications- The labour market. The credit market
  5. Producer theory- Description of the firm in the neoclassical approach. Choice of production factors. Behaviour of the firm. Determinants of investment.
  6. Partial equilibrium
  7. General equilibrium- The Von Neumann-Morgenstern theorem. General equilibrium with two agents, introduction to welfare theorems
  8. The uncertain and the intertemporal
  9. Imperfect competition - Monopoly, Oligopoly (Cournot competition, Bertrand competition) 
  10. Regular economies: a few results


Picard, P. (1994), Eléments de microéconomie : théorie et applications. Paris : Montchrestien, 587 p. Domat économie. ISBN 2-7076-0611-1. [63 PIC 00 A]
Jullien, B., Picard, P. (1994), Eléments de microéconomie : exercices et corrigés. Paris : Montchrestien. 415 p. Domat économie. ISBN 2-7076-0623-5. [63 PIC 00 B]
Mas-colell, A., Whinston, M.D., Green, J.R. (1995), Microeconomic theory. London ; New York : Oxford university press. ISBN 0-19-510268-1 [63 MAS 00 A]