ORCID "0000-0002-6959-9168" Makale Koleksiyonu için listeleme
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Efficiency analysis of emergency departments in metropolitan areas
Akkan, Can; Almula Karadayı, Melis; Ekinci, Yeliz; Ülengin, Füsun; Uray, Nimet; Karaosmanoğlu, Elif (Elsevier Ltd, 2020)The demand in the healthcare industry is increasing exponentially due to aging population of the world and this is leading to a rapid increase in the cost of healthcare. The emergency departments of the hospitals are the ... -
Evaluating R&D performance of EU countries using categorical DEA
Karadayı, Melis Almula; Ekinci, Yeliz (Routledge Journals, Taylor & Francis Ltd, 2019)Over the coming decade, Research and Development (R&D) performance will be the key component of bringing innovation and the determinant of global competitiveness of nations. Therefore, this paper presents categorical Data ... -
How do airlines survive? An integrated efficiency analysis on the survival of airlines
Kaya, Gizem; Aydın, Umut; Ülengin, Burç; Karadayı, Melis Almula; Ülengin, Füsun (Elsevier Ltd, 2023)Airline managers must prepare effective strategies to cope with fluctuations and enhance the performance and competitiveness of their companies. Airline performance evaluation also requires a multidimensional perspective ... -
How efficient airways act as role models and in what dimensions? A superefficiency DEA model enhanced by social network analysis
Aydın, Umut; Almula Karadayı, Melis; Ülengin, Füsun (Elsevier, 2020)In this empirical study, a five-stage methodology is used to examine the efficiency of 45 worldwide known airline companies from the financial, operation and marketing perspectives. Initially, the superefficient data ... -
Integrated methodology for evaluating the efficiency of airports: A case study in Turkey
Kaya, Gizem; Aydın, Umut; Karadayı, Melis Almula; Ülengin, Füsun; Ülengin, Burç; İçken, Ayhan (Elsevier Ltd, 2022)Airports play an important role in the economic development of countries. Efficiency analyses of airports are crucial for providing an important roadmap to airport authorities and for helping to benchmark their airports ... -
An integrated performance measurement framework for restaurant chains: A case study in Istanbul
Pınarbaşı, Ayşegül; Aydın, Umut; Karadayı, Melis Almula; Tozan, Hakan (TMMOB Chamber of Mechanical Engineers, 2022)Companies that continue to operate in a competitive market strive the most efficient use of their resources in order to remain competitive. Nowadays, with increasing customer feedback, properly analyzing customer needs and ... -
An MCDM-based game-theoretic approach for strategy selection in higher education
Ekinci, Yeliz; Orbay, Benan Zeki; Karadayı, Melis Almula (Elsevier Science Inc., 2022)This study proposes a framework for universities and governments to select strategies by considering the strategic interactions. The strategic choices of universities and governments can be determined by analyzing the ...