Multi-period differences of technical and financial performances are analyzed by comparing five North African railways over the period 1990–2004. A first approach is based on Malmquist DEA TFP index for measuring total factors productivity change, decomposed into efficiency change technological changes. multiple criteria analysis also performed using PROMETHEE II method ARGOS software. These me...

Fungal chitosan is one of the piezoelectric biomaterials that can be used in energy harvesting. biomass offers a sustainable source for chitosan, as an alternative to crustacean-based chitosan. However, fungal yield relatively lower than other conventional sources Therefore, this study aims review different experimental procedures chemical extraction from biomass. The selection most effective m...

A major competitive advantage of production and service systems is establishing a proper maintenance policy. Therefore, maintenance managers should make maintenance decisions that best fit their systems. Multi-criterion decision-making methods can take into account a number of aspects associated with the competitiveness factors of a system. This paper presents a multi-criterio...

the stock selection problem is one of the major issues in the investment industry, which is mainlysolved by analyzing financial ratios. however, considering the complexity and imprecise patterns ofthe stock market, obvious and easy-to-understand investment rules, based on fundamental analysis,are difficult to obtain. fundamental and technical analyses are two common methods for predictingthe fu...

necessity of consideration future and delineating the characteristics of future development, leads trends to the fields of planning, rational utilization of resources and potential of areas. assessment of ecological capability, as the core of environmental studies at the prevention of possible crisis, provides an appropriate context for environmental planning. the ability of gis in managing and...

Amaç: DAX’a kote edilen özel Alman kliniklerinin Covid-19 öncesi ve sonrası finansal performansını analiz etmektir. Yöntem: PROMETHEE (Zenginleştirme Değerlendirmeleri için Tercih Sıralaması Organizasyon Yöntemi), bir dizi nesneyi değişken veya kriter temelinde sıralayan Çok Kriterli Karar Verme Yöntemidir. Bu çalışmada ÇKKV yöntemlerinden kullanılarak Almanya’daki sağlık performansı karşılaştı...