The firm in theory -- The productive opportunity of the firm and the "entrepreneur" -- Expansion without merger : the receding managerial limit -- "Inherited" resources and the direction of expansion -- The economics of size and the economies of growth -- The economics of diversification -- Expansion through acquisition and merger -- The rate of growth of a firm through time -- The position of large and small firms in a growing economy -- Growing firms in a growing economy : the process of industrial concentration and the pattern of dominance