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A tree is said to be -magic if there exits a super magic labeling such that then the vertices of is partioned into three color classes , , so that the vertex labels in ∈ {1,2,3} are all consecutive labels. In this paper we have given -magic labeling of a class of trees with diameter four that...
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This paper explores the couponing strategies in competition between a national brand name product and a private label … product by discussing three different kinds of coupons: manufacturers' coupons, retailers' national brand coupons, and … differentiation) and feature differentiation from the national brand (horizontal differentiation) play an important role in …
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introducing the store brand, the retailer disfavors national brands that it imitates (and is therefore in greater competition) by … store brand introduction. However such strategic behavior happens only in market segments that are attractive to the … retailer in terms of market size and the opportunity to steal share from the leading brand. There is no difference in the …
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