精选优质文档-倾情为你奉上A、True or False (2x10=20) 1. The marginal effect of advertising on sales is always same throughout different stages of new product diffusion. F2. Frequent price promotion hurts brand equity. T3. Cooperation between channel members leads to higher profit for both retailer and manufacturer, given there are only two channel members. T4. New product development involves very high cost and risks of failure. Therefore, compan
