A model of the diffusion process is developed which recognizes (1) the interaction between adopters and non-adopters and (2) the influence of external information sources such as advertising. The model is extended by incorporating the effects of repeat purchasing. The models written by the...

Existing single-adoption diffusion models assume a static (constant) ceiling on the number of adopters, that is, a constant population of potential adopters, over the entire time frame of the diffusion process. However, for most innovations this assumption is tenuous. Rather, the ceiling, or the...

Erratum to Mahajan, Vijay, Robert A. Peterson. 1978. Innovation diffusion in a dynamic potential adopter population. Management Sci. 24 (15) 1589--1597.