This book provides an extensive and comprehensible introduction to the relevant questions of sustainable economy. It demonstrates how, based on plausible theories and up to date empirical research in economics and social research, our economic and monetary system works at heart and where in shows systematic problems and generates economic, social and ecological imbalances. A modified capitalism, aiming at a sustainable increase of human, natural and real capital, is presented as procedure of solution in order to satisfy the basic needs of all people. The work is of interest for everyone looking for practicable ways towards a sustainable market economy.