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Nur Ayvaz-Çavdaroğlu
Department of Business Administration, Faculty of Management, Kadir Has University, 34083 Istanbul, Turkey

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Journal article
Published: 26 August 2020 in Sustainability
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Finding the correct pricing strategy for a product with multiple versions is an issue for retailers from various industries. In this paper, joint pricing and ordering problem is considered for a product that has two versions at each selling period. Two models, namely with or without the donation option, are analyzed and optimality conditions and monotonicity properties of the decision variables are characterized. When demands of products depend on prices of both versions, donating part of old product inventory would be more profitable for the retailer. Moreover, the donation model would result in less wasted inventory, contributing to sustainability and goals of green economy. Analytical results are supported with numerical analysis of a realistic case.

ACS Style

Nur Ayvaz Çavdaroğlu. Joint Pricing and Ordering Problem with Charitable Donations. Sustainability 2020, 12, 6950 .

AMA Style

Nur Ayvaz Çavdaroğlu. Joint Pricing and Ordering Problem with Charitable Donations. Sustainability. 2020; 12 (17):6950.

Chicago/Turabian Style

Nur Ayvaz Çavdaroğlu. 2020. "Joint Pricing and Ordering Problem with Charitable Donations." Sustainability 12, no. 17: 6950.

Journal article
Published: 23 May 2019 in Journal of Environmental Management
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The prominence of managing municipal solid waste (MSW) in an efficient and effective manner is increasing from day to day. In this paper, the solid waste management (SWM) system of İstanbul is analyzed by applying the techniques from mathematical programming methodology. In this manner, the solutions of the two optimization problems which aim to minimize the total cost and the environmental effects of SWM, respectively, are presented in this study. Additionally, a sensitivity analysis is performed and a multi-objective problem that combines two problems is presented. In this regard, the application of five MSW management technologies which are currently in use in İstanbul on six waste components is analyzed; and the optimal solution regarding the best mixture of these technologies is developed on a given waste composition. Besides, this optimal solution is compared with the current practice in İstanbul; and recommendations are presented about possible future investments for the policymakers. The results of the study emphasize the importance of material recovery and incineration facilities to improve profitability and to minimize environmental side effects. In particular, material recovery facility (MRF) should be expanded to be able to treat all of metal, paper and plastic from a cost management perspective. Incineration (INC) facility should also be expanded in order to treat plastics or organic waste from a Greenhouse Gas (GHG) minimization perspective. In addition to this, landfill appears to be the most prominent treatment technique according to the current problem parameters. However, regarding the waste composition, the amount of organic waste must be decreased by more than 37% for other waste streams to be treated in different facilities other than landfill. Anaerobic digestion and composting facilities need to be more cost-effective for becoming economically feasible. The methodology represented in this study can be extended and generalized to other cities around the world once the correct problem parameters are specified.

ACS Style

Nur Ayvaz-Cavdaroglu; Asli Coban; Irem Firtina-Ertis. Municipal solid waste management via mathematical modeling: A case study in İstanbul, Turkey. Journal of Environmental Management 2019, 244, 362 -369.

AMA Style

Nur Ayvaz-Cavdaroglu, Asli Coban, Irem Firtina-Ertis. Municipal solid waste management via mathematical modeling: A case study in İstanbul, Turkey. Journal of Environmental Management. 2019; 244 ():362-369.

Chicago/Turabian Style

Nur Ayvaz-Cavdaroglu; Asli Coban; Irem Firtina-Ertis. 2019. "Municipal solid waste management via mathematical modeling: A case study in İstanbul, Turkey." Journal of Environmental Management 244, no. : 362-369.

Journal article
Published: 17 March 2019 in Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi
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ACS Style

Nur Ayvaz Çavdaroğlu. Bulanık Küme Teorisinin Müşteri Memnuniyeti Karşılaştırmasında Kullanılması. Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi 2019, 23, 163 -168.

AMA Style

Nur Ayvaz Çavdaroğlu. Bulanık Küme Teorisinin Müşteri Memnuniyeti Karşılaştırmasında Kullanılması. Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi. 2019; 23 ():163-168.

Chicago/Turabian Style

Nur Ayvaz Çavdaroğlu. 2019. "Bulanık Küme Teorisinin Müşteri Memnuniyeti Karşılaştırmasında Kullanılması." Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi 23, no. : 163-168.

Journal article
Published: 01 April 2018 in Journal of Cleaner Production
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ACS Style

Asli Coban; Irem Firtina Ertis; Nur Ayvaz-Çavdaroğlu. Municipal solid waste management via multi-criteria decision making methods: A case study in Istanbul, Turkey. Journal of Cleaner Production 2018, 180, 159 -167.

AMA Style

Asli Coban, Irem Firtina Ertis, Nur Ayvaz-Çavdaroğlu. Municipal solid waste management via multi-criteria decision making methods: A case study in Istanbul, Turkey. Journal of Cleaner Production. 2018; 180 ():159-167.

Chicago/Turabian Style

Asli Coban; Irem Firtina Ertis; Nur Ayvaz-Çavdaroğlu. 2018. "Municipal solid waste management via multi-criteria decision making methods: A case study in Istanbul, Turkey." Journal of Cleaner Production 180, no. : 159-167.

Research article
Published: 10 November 2017 in Journal of Travel Research
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Revenue management (RM) has received considerable attention from both academic and business professionals. It encompasses several techniques regarding capacity allocation, pricing, and resource management of fixed, time-sensitive capacity. RM can be roughly divided into two categories defined by the control mechanism that increases revenue: capacity allocation or price optimization. Our work falls in the latter category. In our model, we allow for partial substitutability among products (e.g., a customer making a purchase decision may consider multiple alternatives—different departure dates, different destinations, different cabin types). We also include marketing expense in addition to prices as a lever for increasing revenue. These features are relevant to dynamic pricing in practice. The method is illustrated with booking data from a cruise company, yielding optimal advertising and prices for 300 products. The application of the model results in an increase in revenue in the range of 8%–20%.

ACS Style

Nur Ayvaz-Çavdaroğlu; Dinesh K. Gauri; Scott Webster. Empirical Evidence of Revenue Management in the Cruise Line Industry. Journal of Travel Research 2017, 58, 104 -120.

AMA Style

Nur Ayvaz-Çavdaroğlu, Dinesh K. Gauri, Scott Webster. Empirical Evidence of Revenue Management in the Cruise Line Industry. Journal of Travel Research. 2017; 58 (1):104-120.

Chicago/Turabian Style

Nur Ayvaz-Çavdaroğlu; Dinesh K. Gauri; Scott Webster. 2017. "Empirical Evidence of Revenue Management in the Cruise Line Industry." Journal of Travel Research 58, no. 1: 104-120.

Journal article
Published: 01 September 2016 in Omega
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ACS Style

Nur Ayvaz-Çavdaroğlu; Soulaymane Kachani; Costis Maglaras. Revenue management with minimax regret negotiations. Omega 2016, 63, 12 -22.

AMA Style

Nur Ayvaz-Çavdaroğlu, Soulaymane Kachani, Costis Maglaras. Revenue management with minimax regret negotiations. Omega. 2016; 63 ():12-22.

Chicago/Turabian Style

Nur Ayvaz-Çavdaroğlu; Soulaymane Kachani; Costis Maglaras. 2016. "Revenue management with minimax regret negotiations." Omega 63, no. : 12-22.

Journal article
Published: 17 September 2010 in Journal of Revenue and Pricing Management
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Journal of Revenue and Pricing Management serves and reflects the tremendous growth in research and practices of revenue management and pricing.

ACS Style

Nur Ayvaz-Çavdaroğlu; Woonghee Tim Huh. Allocation of hospital capacity to multiple types of patients. Journal of Revenue and Pricing Management 2010, 9, 386 -398.

AMA Style

Nur Ayvaz-Çavdaroğlu, Woonghee Tim Huh. Allocation of hospital capacity to multiple types of patients. Journal of Revenue and Pricing Management. 2010; 9 (5):386-398.

Chicago/Turabian Style

Nur Ayvaz-Çavdaroğlu; Woonghee Tim Huh. 2010. "Allocation of hospital capacity to multiple types of patients." Journal of Revenue and Pricing Management 9, no. 5: 386-398.