Modelling and Forecasting Human Populations using Sigmoid Models (1987)
Thesis
Raeside, R. Modelling and Forecasting Human Populations using Sigmoid Models. (Thesis). Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/Output/1053286

Early this century "S-shaped" curves, sigmoids, gained populari ty among demographers. However, by 1940, the approach had "fallen out of favour", being criticised for giving po,or results and having no theoretical validity. It was also considered... Read More about Modelling and Forecasting Human Populations using Sigmoid Models.