Browsing by Author "Hekimoğlu, Mustafa"
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Assortment optimization with log-linear demand: application at a Turkish grocery store
Hekimoğlu, Mustafa; Sevim, İsmail; Aksezer, Sezgin Çağlar; Durmuş, İpek (Elsevier Ltd, 2019-09)In retail sector, product variety increases faster than shelf spaces of retail stores where goods are presented to consumers. Hence, assortment planning is an important task for sustained financial success of a retailer ... -
Inventory management and pricing in existence of secondary markets
Kaya, Burak Erkan (Işık Üniversitesi, 2019-08-01)Secondary markets are easily accessible market-places for every participant of a product market, where usually lower prices and shorter lead times than the Original Equipment Manufacturer (OEM) are offered. Especially when ... -
Markdown optimization in apparel retail sector
Yıldız, Sevde Ceren (Işık Üniversitesi, 2018-01-16)Over last decades, rapidly growing textile and apparel industry has become an important sector. The branding and ever-changing fashion sense have been a trigger for a major competition environment. Nowadays, increasing ... -
Modeling repair demand in existence of a nonstationary installed base
Hekimoğlu, Mustafa; Karlı, Deniz (Elsevier B.V., 2023-09)Life cycles of products consist of 3 phases, namely growth, maturity, and decline phases. Modeling repair demand is particularly difficult in the growth and decline stages due to nonstationarity. In this study, we suggest ... -
Optimization of wastewater treatment systems for growing industrial parks
Savun Hekimoğlu, Başak; İşler, Zülal; Hekimoğlu, Mustafa; Burak, Selmin; Karlı, Deniz; Yücekaya, Ahmet; Akpınar, Ersin; Ediger, Volkan Ş. (Elsevier B.V., 2023-12-20)Wastewater treatment is one of the crucial functions of industrial parks as wastewater from industrial facilities usually contains toxic compounds that can cause damage to the environment. To control their environmental ... -
Sensitivity analysis for models with multiple behavior modes: a method based on behavior pattern measures
Hekimoğlu, Mustafa; Barlas, Yaman (JUL-DEC 20)Sensitivity analysis of system dynamics models is essentially about sensitivity of patterns of output behaviors to inputs, since system dynamics modeling is behavior pattern oriented. In this study, a regression-based ...