THE logistic curve is often used in teaching ecology as a first description of growth of an animal population. For many reasons, frequency related to age structure and time-lag effects, it does not ...

In this paper we consider the use of the logistic curve in analyses of the demand for new commodities and in studies of innovation. We demonstrate that the theoretical basis for the curve is weak and ...

Journal of the Royal Statistical Society. Series A (Statistics in Society) The use of the logistic curve for forecasting human populations considered by Leach is re-examined. A modification of the use ...