Marshall's notion of the representative firm can be read as a macro notion with some resemblance to Keynes' aggregative concepts. Keynes' notions of aggregate demand and aggregate supply are fashioned after Marshall's definitions of demand and supply. Keynes starts with the Marshallian...

This paper investigates topologically semiconjugate dynamics as a macrorepresentation of microeconomic dynamics. The condition for its existence, its summarizing property, and its inferability property are discussed. As an example, we present a model of a temporary equilibrium price dynamic that...