Abstract from the year 2017 in the subject Business economics - Investment and Finance, , language: English, abstract: From the popular series "Numb3rs" you may know the term "Game Theory", but do you actually know what this is and how it works? During a six-week session of microeconomics, several basic principles are introduced and applied in the business context. Game Theory deals with the optimal behavior of rational decision makers in a simplified surrounding. This text deals with the optimal behavior during a second price action and within oligopolistic competition. The basic ideas like the prisoner's dilemma are explained and underlined with real examples to simplify and illustrate the dry mathematics behind it. After reading this text, you will be able to solve certain problems in a simplified surrounding by your own and will perceive the world at least a little bit more rational.