1. The results of the first and second stages of the research (1972–1974 and 1976–1979) were published in: Zarzadzanie przedsiebiorstwami-uczestnikami rynku dobr konsumpcyjnych, vol. I and II [Warszawa (1978)] and vol. III [Warszawa (1983)]. In 1982–1984 was done the third stage of the research in which 365 cases describing the behavior of 47 enterprises were analyzed.