Supply-demand as a key principle in of the production/consumption mechanism

Write on a topic of your choice, inherent to the detection of a non-market which will be identified and analyzed, critically. Supply-demand is a key principle in of the production/consumption mechanism as it defines foundations to the understanding of a number of concepts, which shape the strategic position of firms in the microeconomic dimension of the economy. Marginal cost is a sub-unit of the supply demand principle, can be defined as the "measurement of the change in cost corresponding to a unit increase in production level" Elaborate an academic paper, which defines the "what if" of a radical change in the marginal cost role in production, by answering the following research question: What changes can you envision to the real economy, should Rifkin's vision of a zero marginal cost society, become reality?