• Summary
  • Contents
  • Subject index

A must-have reference resource for qualitative management researchers, this dictionary contains over 90 entries covering the fundamentals of qualitative methodologies; covering both analysis and implementation. Each entry gives an introduction to the topic, lists the key relevant features, gives a worked example, a concise summary and a selection of further reading suggestions. It is suitable for researchers and academics who need a handy and quick point of reference.

Bass Model
Bass model
Introduction, Key Features and Examples

The best-known model for a full description of the genesis and extensions of new product market adoption is the Bass model. In distinction from the → Logistic growth model, the Bass model B(t) introduces the effect of innovators via the coefficient of innovation p, in differential equation of growth (1) which corrected deficiency of simple logistic growth (‘hardly starts to grow up’ problem and that t for which L(t) = 0 does not exist). The model considers a population of M adopters who are both innovators (with a constant propensity to purchase) and imitators (whose propensity to purchase is influenced by the amount of previous purchasing).

Solution of differential equation (1) gives the Bass diffusion model (2) defined by ...

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