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فهرست مطالب نویسنده:

n. manavizadeh

  • S. Aghamohamadi-Bosjin, M. Rabbani *, N. Manavizadeh
    In the current situation,taking into consideration the environmental and social issues are related with the production and distribution of products in supplychain systems,due tothe global concerns related with emitting lots of greenhouse gaseswithin the manufacturing process and overlooking the major needs of publicThis paper proposes a newmultiobjectivemodel in the area ofclosed loop supplychainproblem integrated with lot sizing by considering lean,agility and sustainability factors simultaneously.In this regard,responsiveness, environmental,social and economic aspects are regarded in the model besides the capacity and service level constraints.Inaddition,strategic and operational backup decisions are developed to increase the resiliency of the system against disruption of the facilities and routs simultaneously.Next,a robust possibilistic programming approach is applied to handle the uncertainty of the model.To increase the responsiveness of the system,a fuzzyc-means clusteringmethod isapplied to select the potential locations based on the proximity to local customers.In the following, a new hybrid metaheuristic algorithm comprised of a PMOPSO algorithm and aMOSEO is developed to deal with large size problems efficiency and to assess the impact of using a single-based initial solution as the income for the second phase of the proposed hybrid algorithm.To ensure about the effectiveness of the proposed hybrid algorithm,the results of this algorithm arecompared with a NSGA-II.
    Keywords: Leagility, Sustainability, Supply chain, Disruption risks, Data mining, multi-objective optimization
  • S. Alaei, N. Manavizadeh

    This paper considers the issue of cooperative advertising with local advertising options in a channel with three players, including a manufacturer and two retailers. The current study, expands the cooperative advertising literature to a case where there exist two options for local advertising investment. Moreover, this paper compares two cases of presence and absence of cooperative advertising, which has almost been neglected in cooperative advertising literature. The purpose is to determine equilibrium strategy of retailers’ advertising options, players’ advertising expenditures and the manufacturer’ participation rates on retailers’ investment. The aforementioned problem is analyzed as a three-stage game, using backward induction. In the first and second stages, advertising investments of players are determined analytically. Then, in the third stage, the Nash equilibrium pair of advertising options can be found using numerical study. The problem is solved using illustrative examples in two cases of presence and absence of the cooperative advertising contract. Finally, the conditions for which offering the contract is win-win for all players, are identified. A Sensitivity analysis has been carried out to explain the efficacy of the model.

    Keywords: Cooperativeadvertising, Game theory, Advertising options, Retail competition, Equilibrium solution
سامانه نویسندگان
  • دکتر ندا معنوی زاده
    دکتر ندا معنوی زاده
    دانشیار مهندسی صنایع، دانشگاه خاتم، تهران، ایران
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