The course aims to explain the markets functioning. The approach is quantitative but also managerial and operative. After a short introduction of the mathematical tools the course follows the chapters of the text book “Microeconomics” by R.S. Pindyck e D.L. Rubinfeld The structure of the course can be summarized as follows: Mathematical Instruments: differential, derivative, total derivative and optimization Market demand Choice under uncertainty Production Costs Supply in competitive markets Competitive markets Market Power :monopoly and monopsony Productive factor markets Investment, time and capital markets Market under asimmetric informations