英文文献:Price Competition And Informational Product Differentiation Effectiveness: The Case Of Edible Vegetable Oils In The U.S
英文文献作者:Othman, Jamal B.,McIntosh, Christopher S.,Houston, Jack B.
英文文献摘要:
A time-varying parameter model was used to analyze the effectiveness of a product differentiation strategy. A negative promotional campaign focussed attention on health issues associated with tropical oils in the U.S. Permanent changes in palm oil edible use occurred, while edible use demand for soybean oil remained stable.


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