A knowledge-based system that gives better price recommendations than a good manager : a dissertation submitted to the Faculty of Business Studies, Massey University in fulfilment of the requirements for the degree of Doctor of Philosophy
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Date
1991
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Massey University
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Abstract
The objective of this research was to investigate whether it is possible to construct a computer system that provides good price recommendations for marketers in the export wool industry. The computer system is a program that stores and makes use of expert knowledge in the course of providing recommendations to a user. "Good" price recommendations are ones that closely resemble those of a consensus of experts. Fuzzy logic, a method of inexact reasoning, is used to derive recommendations from inexact rules in the system. The system allows users to input vague expressions used in natural language, translates them into nonfuzzy values and then performs a set of operations on them to produce a nonfuzzy recommended price. The effectiveness of the system in making good price decisions was tested by comparing the system's recommendations with consensus recommendations from a panel of experts. The correlation coefficient between the system's recommendations and the consensus recommendations was found to be higher than any of the correlation coefficients between the individual manager's first recommendations and the consensus recommendations. This suggests that the system constructed is capable of providing good price recommendations.
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Marketing, Pricing, Decision-making, Mathematical models