Browsing Business Administration by Author "1"
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The 39th international conference of the EURO working group on operational research applied to health services: ORAHS 2013 special issue
Çayırlı, Tuğba; Gunal, M. M.; Gunes, E.; Ormeci, L. (Springer Science+Business Media, 2015-09)The healthcare sector is facing major challenges worldwide in terms of higher demands for efficiency, quality and equity. Operational Research (OR) techniques offer valuable tools for improving the design and delivery of ... -
Accelerated learning of user profiles
Atahan, Pelin; Sarkar, S. (Informs, 2011-02)Websites typically provide several links on each page visited by a user. Whereas some of these links help users easily navigate the site, others are typically used to provide targeted recommendations based on the available ... -
Action research contextualizes DEA in a multi-organizational decision-making process
Oral, Muhittin (Elsevier, 2012-06-01)The theory of participatory action research (PAR) grew out of the practice of problem-solving in groups and organization by involving the participation of all pertinent stakeholders in decision-making process through ... -
An actor-network theory (ANT) approach: analysis of Turkish e-government gateway initiative
There are various models proposed in the literature to analyze trajectories of e-Government projects in terms of success and failure. Yet, only the Actor-Network Theory (ANT) perspective (Heeks and Stanforth, 2007) considers ... -
Addressing endogeneity in the causal relationship between sustainability and financial performance
Soytaş, Mehmet Ali; Denizel, M.; Uşar, Damla Durak (Elsevier, 2019-04)The existing empirical literature on the relationship between corporate sustainability performance and corporate financial performance casts doubt on the direction of this relationship although more studies point out a ... -
Altering the environment to improve appointment system performance
Çayırlı, Tuğba; Yang, K. K. (Informs, 2019-06)Current research on clinic performance is focused primarily on appointment scheduling rather than shaping the clinical environments. The goal of this study is to investigate the impact of environmental factors on the total ... -
Alışveri̇ş merkezleri̇ni̇n Türki̇ye’deki̇ mevzuat çerçevesi̇nde değerlendi̇ri̇lmesi̇
Ceylan, R.; Özbakır, B. A.; Erol, Işıl (Middle East Technical University Faculty of Architecture, 2017)Küresel ölçekte alışveriş merkezlerinin tarihsel gelişim süreci incelendiğinde, ticaret alanlarının alışveriş merkezlerine dönüşüm sürecinde ilk adımların Avrupa’da atıldığı bilinmektedir (Birol, 2005; Geç, 2008 ve Kiriş, ... -
Ambulance location for maximum survival
Erkut, Erhan; Ingolfsson, A.; Erdoğan, G. (Wiley, 2008-02)This article proposes new location models for emergency medical service stations. The models are generated by incorporating a survival function into existing covering models. A survival function is a monotonically decreasing ... -
App popularity: Where in the world are consumers most sensitive to price and user ratings?
Kubler, Raoul Volker; Pauwels, K. H.; Yıldırım, G.; Fandrich, T. (American Marketing Association, 2018-09)Many companies compete globally in a world in which user ratings and price are important drivers of performance but whose importance may differ by country. This study builds on the cultural, economic, and structural ... -
The appreciative democratic voice of DEA: a case of faculty academic performance evaluation
Oral, Muhittin; Oukil, A.; Malouin, J.-L.; Kettani, O. (Elsevier, 2014-03)Data envelopment analysis (DEA) is in fact more than just being an instrument for measuring the relative efficiencies of a group of decision making units (DMU). DEA models are also means of expressing appreciative democratic ... -
Approximating vehicle dispatch probabilities for emergency service systems with location-specific service times and multiple units per location
Budge, S.; Ingolfsson, A.; Erkut, Erhan (Informs, 2009-02)To calculate many of the important performance measures for an emergency response system, one requires knowledge of the probability that a particular server will respond to an incoming call at a particular location. ... -
Assessing consequences of component sharing across brands in the vertical product line in the automotive market
Verhoef, P. C.; Pauwels, Koen Hendrik; Tuk, M. A. (Wiley, 2012-07)Component sharing may look great in the boardroom, but not in the showroom. Indeed, savings on R&D and production costs could be offset by a plunge in customer brand attractiveness. Combining experimental with econometric ... -
Assessment of patient classification in appointment system design
Çayırlı, Tuğba; Veral, E.; Rosen, H. (Production and Operations Management Society, 2008-05)This paper investigates two approaches to patient classification: using patient classification only for sequencing patient appointments at the time of booking and using patient classification for both sequencing and ... -
Baked beats grilled: a calorie analysis of 18,000 menu items in fast food chain restaurants
Wansink, B.; Mukund, A.; Atakan, Şükriye Sinem (Federation of American Societies for Experimental Biology, 2017)Fast food and chain restaurants often give the menu items descriptive names related to the production processes (e.g., baked, fried, grilled, glazed). Do these descriptions in a food’s name provide a useful indication of ... -
Battle of the brand fans: impact of brand attack and defense on social media(article)
Ilhan, B. E.; Kubler, Raoul Volker; Pauwels, K. H. (Elsevier, 2018-08)Fans of a brand attack fans of rival brands on social media. Given the nature of such rival brand fan attacks, managers are unsure about how much control they should exercise on brand-negative comments on their owned social ... -
Big and lean is beautiful: a conceptual framework for data-based learning in marketing management
Soyer, E.; Pauwels, K.; Seggie, Steven Head (Emerald Publishing Limited, 2019-09-19)While Big Data offer marketing managers information that is high in volume, variety, velocity, and veracity (the 4Vs), these features wouldn't necessarily improve their decision-making. Managers would still be vulnerable ... -
Bringing sustainability to the heart of a university through teaching, research and service
Gençtürk, Esra; Mengüç, Mustafa Pınar (EDP Sciences, 2018)In this short paper, we summarize our targeted efforts at Ozyegin University in Istanbul, Turkey for establishing a sustainable research, teaching and learning environment. The University is striving to have highest level ... -
Build-to-order meets global sourcing: planning challenge for the auto industry
Matoğlu, Melda Örmeci; Vande Vate, J. (Springer, 2011)Auto manufacturers today face many challenges: The industry is plagued with excess capacity that drives down prices, international competitors are seizing share at both ends of the market and consumers are well informed ... -
Building with bricks and mortar: the revenue impact of opening physical stores in a multichannel environment
Pauwels, Koen Hendrik; Neslin, S. A (Elsevier, 2015-06)A crucial decision firms face today is which channels they should make available to customers for transactions. We assess the revenue impact of adding bricks-and-mortar stores to a firm's already existing repertoire of ... -
Captive diffusions and their applications to order-preserving dynamics
Mengütürk, L. A.; Mengütürk, Murat Cahit (Royal Society Publishing, 2020-09-30)We propose a class of stochastic processes that we call captive diffusions, which evolve within measurable pairs of cadlag bounded functions that admit bounded right-derivatives at points where they are continuous. In full ...
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