 Microeconomics develops these for individuals and firms, assuming consumers are attempting to ”maximize utility” given their resources, and firms, similarly, their profit under the various regimes of competition; the price will correspond to the point where supply and demand are equal, i.e.a "partial equilibrium".Macroeconomics focuses on the sum total of economic activity - similarly analyzing various equilibria - covering the performance, structure, behavior, and decision-making of an economy as a whole.