The paper analyzes some generic features of industrial dynamics whereby innovative change is carried, stochastically, by new entrants. Relying on the formal representation suggested in Winter, S.G., Kaniovski, Y.M., Dosi, G., 1997. A Baseline Model of Industry Evolution. [Interim Report IR-97-013/March, International Institute for Applied Systems Analysis, Laxenburg, Austria], it studies both t...