Not only is marketing a central aspect of enterprises, but a fundamental principle of entrepreneurship in dynamic markets. This means that nearly all members of an enterprise have to deal with marketing. Additionally marketing is inseparably linked to information supply, which has to be made available through market research. This textbook provides the essential knowledge on the forms of market research and decision preparation for marketing as well as the respective operative instruments. It is addressed at students and patricians, who are looking for a quick and pragmatic approach to the field.