For Marx, 'pure' economic theory, that is economic theory which abstracts from a specific social structure, is impossible.
Ernest MandelSocialist democracy is not, a luxury and its need is not limited to the most advanced industrial countries.
Ernest MandelOnly under conditions of revolutionary crises do you have the highest level of self-organization; this is the Soviet type of organization, which is to say, workers' councils, people's councils, call them what you want, popular committees.
Ernest Mandel