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Research papers

Comment on A.S.C. Ehrenberg's paper

On the first place, it has to be said that the group members consider it as a jolly good idea to observe the purchasing habits over quite long periods of time instead of making conclusions based on elementary purchasing behaviour. But they regret...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Jean Quatresooz
November 1, 1968

Research papers

Contribution of discussion to the papers of Mr. Ehrenberg and Mr. Hamre

The present stage you can characterise as initial stage of research work. In our opinion it will be necessary to use stochastic processes in the analysis of brand-switching.

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Jurgen U. Lorenzi
November 1, 1968

Research papers

Comment on session II

In Group 1 the discussion of brand switching was centred first on whether or not Markov chains were a useful concept in this area.

Catalogue: Seminar 1968: Operational Research In Marketing
Author: John Davis
November 1, 1968

Research papers

Comment on H. Hamre's paper

The usefulness of the Markov chains was of course discussed with the two speakers; they had actually adopted very different positions on that point.

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Jean Quatresooz
November 1, 1968

Research papers

Comment On A.S.C. Ehrenberg & G. J. Goodhardt, H. Hamre's papers

The two approaches had been introduced as alternatives. As such, the group agreed with Ehrenberg & Goodhardt's approach. They did, so on purely practical grounds . The crucial drawback seen in Hamre's approach was that the number of constants or...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Charles W. Clunies-Ross
November 1, 1968

Research papers

The application of stochastic processes by studying switches and stability

The aim of this work is ''building out" the simple Markovian model in a more realistic direction assuming that the time between sequencial purchases is variable. To study the complete relationship between "the marketing input variables" and brand...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Harald Hamre
November 1, 1968

Research papers

An empirical approach to brand-switching (Discussion)

One question which has been raised in the discussion is that of assessing a manufacturer's scope for launching an additional brand in a product-field instead of simply pushing his existing brand. This is in fact one of several kinds of practical...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Andrew S. C. Ehrenberg
November 1, 1968