Economics deals with the (sparing) use of limited resources and goods in a society and is also referred to as economics or economics (from oikos from the Greek for family or household). They explain the behavior of individuals under different conditions and analyze social interactions within and between institutions such as producers (companies) and consumers (households). In addition, they deal with the behavior of state organs - ie politicians, administrators and stakeholders - in different political systems and are able to In addition to this political-scientific perspective, state intervention in the economy and society should also be assessed on the basis of so-called welfare criteria. They show how concrete analysis concepts and quantitative methods can be used to create interesting decision-making foundations in companies and politics for almost all questions.