The social market economy forms a fundamental theory of the market economy and an integrated economic and ethical theory of the economic order in which the political and societal conditions for the working of the market are included in the theory of the market economy. The social market economy is presented as a universal theory of the decisions to be made about the economic order in all cultures and is analysed in its basic theoretical foundations and in its application to the transition process from the planned to the market economy, particulary in the privatisation of socialised property in Russia and former East Germany. Leading German and Russian experts in the field as well as four classical texts present a systematic analysis of the social market economy from the point of view of economics, law, and ethics.