Lean and Green Supplier Selection Problem: A Novel Multi Objective Linear Programming Model for an Electronics Board Manufacturing Company in Turkey

ÇALIK, Ahmet | PAKSOY, Turan | HUBER, Sandra

Even though various studies are proposed to evaluate and determine the best suppliers, studies generally consider similar factors such as cost, quality, delivery time etc. in the supplier selection problem. Nowadays, some lean and green issues such as on time (JIT) delivery, waste reduction, avoidance and treatment of hazardous materials, energy efficiency, occupational health and safety, corporate social responsibility, etc. started to be addressed together with the supplier selection process. Lean and Green Supply Chain Management (L-GSCM) is a dynamic field for companies to gain advantages ...Daha fazlası

A New Model for Lean and Green Closed-Loop Supply Chain Optimization

PAKSOY, Turan | ÇALIK, Ahmet | KUMPF, Alexander | WEBER, Gerhard Wilhelm

The dynamics of Supply Chain Management (SCM) have changed over the years; new paradigms are added into the SCM as a response to changes related with increasing environmental concerns and pressures. Therefore, lean and green practices in a company belong to its most important factors to enhance the company’s performance. In this study a new model, inspired by an automotive supply chain, is proposed for lean and green closed-loop supply chain management. In this model, we deal with lean and green drivers to set the objectives of the decision makers (DMs) as follows; (1) Construction: The amount ...Daha fazlası

Consumer Behaviour on Android Based Smartphones: Research of The Market Share Increase in Turkey With Ahp Approach

ÇİZMECİOĞLU, Sinan | AKPINAR, Ayhan | ÇALIK, Ahmet

A Decision Model For Lean and Green Supply Chain Management Using Fuzzy Analytic Hierarchy Process

ÇİZMECİOĞLU, Sinan | AKPINAR, Ayhan | ÇALIK, Ahmet

A Fuzzy Multi-Criteria Decision Making Approach for Evaluation of Participation Banks in Turkey based on AHP-TOPSIS

ÇİZMECİOĞLU, Sinan | AKPINAR, Ayhan | ÇALIK, Ahmet

Investigation of Economic Performance of Islamic Banks In Turkey with An Integrated Multi-Criteria Framework

AKPINAR, Ayhan | ÇİZMECİOĞLU, Sinan | ÇALIK, Ahmet

Why Electric Cars Are Becoming More Preferred on Recent Years: Electric Automobile Market Analysis with Ahp Model

ÇİZMECİOĞLU, Sinan | AKPINAR, Ayhan | ÇALIK, Ahmet

The automobile industry is a big sector that has experienced some incredible growth technologically every year. Firms use the newest features in the latest models to satisfy the customers. Therefore, there is a fierce struggle to get ahead in terms of competition between companies. But in recent years, the race to prevail as a competition has begun to develop not only with ordinary features in automobiles, but with greater revolution. This development is the fact that the automobiles have become electrically operated. Consequently, automobiles have become electric because of reducing carbon em ...Daha fazlası

Dijital Paraların Çağı: Bitcoin Spekülatif Bir Araç Olmaktan Öteye Geçebilir Mi?

AKPINAR, Ayhan | ÇİZMECİOĞLU, Sinan | ÇALIK, Ahmet

An Integrated Framework for Sustainable Supplier Selection: A Case Study In The Food Industry

ÇİZMECİOĞLU, Sinan | ÇALIK, Ahmet

Multi-level optimization of an automotive closed-loop supply chain network with interactive fuzzy programming approaches

YILDIZBAŞI, Abdullah | ÇALIK, Ahmet | PAKSOY, Turan | ZANJİRANİ FARAHANİ, Reza | WEBER, Gerhard Wilhelm

Closed-Loop Supply Chain (CLSC) management has attained appreciable attention over the last few years. CLSC management allows companies to manage their recovery and recycling activities of end products. Due to the latest developments in the world, producers are responsible for the collection, refurbishing, repairing and disassembly of end products at the end of their lives. This paper develops a mixed-integer CLSC model that is inspired by the automotive industry. In this model, we consider three Decision Makers (DM): Plant, Dismantler Center and Customer. Each DM has individual objectives and ...Daha fazlası

Aralık Tip-2 Bulanık AHP Yöntemi ile Üçüncü Parti Tersine Lojistik (3PTL) Firma Seçimi

ÇALIK, Ahmet | PAKSOY, Turan

Ömrü bitmiş ve kullanılmış ürünlerin yönetimi küreselleşme, yasal düzenlemeler ve artan çevresel farkındalık nedeniyle önemli bir lojistik faaliyeti haline gelmiştir. Tersine lojistik ağındaki akışın yönetimi özel altyapı ve uzmanlık gerektirdiği için, işletmelerin ağlarındaki hangi firma ile çalışacağı önemli bir sorundur. Bu nedenle işletmeler Üçüncü Parti Tersine Lojistik (3PTL) firmalarına (sağlayıcılarına) yönelmişlerdir. 3PTL, işletmelerin tersine lojistik ağındaki ihtiyaç duydukları hizmetlerin veya lojistik faaliyetlerinin dış kaynak kullanılarak karşılanmasıdır. Bu çalışmada, en iyi 3 ...Daha fazlası

Vakıf Üniversitelerinin Akademik Performans Analizi İçin Yeni Bir Bütünleşik ÇKKV Çerçevesi

ÇİZMECİOĞLU, Sinan | BOZ, Esra | ÇALIK, Ahmet

Gelişmiş ve gelişmekte olan ülkelerin çoğu, birçok disiplin alanında ileri gidebilmek için; üniversitelerine nitelikli, kaliteli ve yaygın etkiye sahip bilgi üretmeleri için teşvikler vermektedir. Nitelikli bilgilerin üretilmesi ise akademik yayınlar ve benzeri çalışmalar ile sağlanabilmektedir. Bu çalışmada, Türkiye’de eğitimi rekabetçi ve daha kaliteli bir hale getirmeye çalıştıkları için örneklem olarak vakıf üniversiteleri tercih edilmiş ve vakıf üniversitelerinin akademik performansının ölçülmesine ilişkin bir araştırma yapılmıştır. Çalışmada, vakıf üniversitelerindeki yayın, proje ve atı ...Daha fazlası