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Research papers

Reply to questions

The questions posed by delegates , both in the working groups and in the final session on Saturday morning, fell into five main groups: these are summarised below, with the answers given by the authors.

Catalogue: Seminar 1968: Operational Research In Marketing
Authors: G. K. Randall, J. A. Farmer
November 1, 1968
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Citation

Randall and Farmer (1968a, November 01). Reply to questions. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/reply-to-questions


Research papers

Comment on dr. H Steiner's paper

The method used to obtain optimal or quasi-optimal hierarchy of the activities correlated with the propensity to purchase was not mentioned. Some people insisted on the existence of quite different methods, either deterministic or probabilistic, to...

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

Quatresooz, J. (1968a, November 01). Comment on dr. H Steiner's paper. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/comment-on-dr-h-steiner-s-paper


Research papers

General Comment (Group no. 3)

Before reporting upon the discussions of the different contributions, I would like to make some general remarks which result from our discussion group Nr. 3 and which do not refer to the one or the other specific report.

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Friedrich Wendt
November 1, 1968
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Citation

Wendt, F. (1968a, November 01). General Comment (Group no. 3). ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/general-comment


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
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Citation

Lorenzi, J. U. (1968a, November 01). Contribution of discussion to the papers of Mr. Ehrenberg and Mr. Hamre. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/contribution-of-discussion-to-the-papers-of-mr-ehrenberg-and-mr-hamre


Research papers

Operations research and marketing

In this presentation, we have tried to see the usual applications of operations research in the marketing field. This field is in quick evolution. Among the most promising uses, we can cite: - the decision theory applied to operations with technical...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Nicolas Steinberg
November 1, 1968
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Citation

Steinberg, N. (1968a, November 01). Operations research and marketing. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/operations-research-and-marketing


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
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Citation

Davis, J. (1968a, November 01). Comment on session II. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/comment-on-session-ii


Research papers

Comment on A. Winkler & C. Ragnitz's paper

We have mainly discussed the problem of weighting properly the variables. It is quite clear that the authors do not want to introduce any discriminating policy between the items of variables. But they consider it as a necessary refinement to...

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

Quatresoozi, J. (1968a, November 01). Comment on A. Winkler & C. Ragnitz's paper. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/comment-on-a-winkler-c-ragnitz-s-paper


Research papers

Comment on G.K. Randall and J. A. Farmer's paper

We do not envisage the use of linear programming as the speaker himself says that the model is not made to find an optimum solution, but rather the exploration of the consequences of different decisions, assumptions or events. Linear programming...

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Pierre Cavalieros
November 1, 1968
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Citation

Cavalieros, P. (1968a, November 01). Comment on G.K. Randall and J. A. Farmer's paper. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/comment-on-g-k-randall-and-j-a-farmer-s-paper-595


Research papers

Comment on B. Baldrey, K.S. Feldman and J.F. Boss' papers

The discussion of the contributions of B. Baldrey and K.S. Feldman and J.F. Boss consisted at first of the classification of both systems.

Catalogue: Seminar 1968: Operational Research In Marketing
Author: Friedrich Wendt
November 1, 1968
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Citation

Wendt, F. (1968a, November 01). Comment on B. Baldrey, K.S. Feldman and J.F. Boss' papers. ANA - ESOMAR. Retrieved October 14, 2025, from


https://ana.esomar.org/documents/comment-on-b-baldrey-k-s-feldman-and-j-f-boss-papers