DURAĞAN OLMAYAN TALEP VARSAYIMI ALTINDA "TEDARİK DÖNEMİ" POLİTİKASININ MALİYET PERFORMANSI ÜZERİNE BİR İNCELEME

Bu çalışmada envanter yönetiminin temel politikalarından olan "min-max" (s,S) ve "tedarik dönemi" (R,S) politikaları durağan olmayan talep varsayımı altında maliyet performansı bakımından karşılaştırılmıştır. Envanter literatüründe "min-max" politikasının optimal çözüm verdiği gösterilmiştir. Bu çerçevede çalışmanın temel katkısı "tedarik dönemi" politikasının en iyi çözüme olan yakınlığının belirlenmesi yönündedir. Durağan olmayan talep durumu için her iki politika parametrelerinin hesaplanmasına ilişkin yöntemler incelenmiş ve maliyet performansı karşılaştırması geniş bir hipotetik deney seti üzerinde gerçekleştirilmiştir. Test sonuçları "tedarik dönemi" yaklaşımının özellikle düşük sipariş maliyeti altında "min-max" politikasına çok yakın sonuçlar verdiğini göstermiştir.

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