A, the various stages of product life cycle, starting and ending point of demarcation criterion is not easy to confirm.
B, not all of the product life cycle curve is standard S-type, there are a lot of specific product life cycle curve.
C, can not be determined in the end product life-cycle curve for a single product or a product set of project level hierarchy.
D, the curve only considers the relationship between sales and time did not cover costs and prices and other variables that affect the sales.
E, could easily lead to "Marketing Myopia," that the products have been premature to recession will still have market value of the good products are stripped out of the product line.
F, a recession does not mean that products can not be recycled. Such as through the appropriate improvement strategy, the company may be another new product life cycle.
B, not all of the product life cycle curve is standard S-type, there are a lot of specific product life cycle curve.
C, can not be determined in the end product life-cycle curve for a single product or a product set of project level hierarchy.
D, the curve only considers the relationship between sales and time did not cover costs and prices and other variables that affect the sales.
E, could easily lead to "Marketing Myopia," that the products have been premature to recession will still have market value of the good products are stripped out of the product line.
F, a recession does not mean that products can not be recycled. Such as through the appropriate improvement strategy, the company may be another new product life cycle.