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Permanent URI for this collectionhttps://hdl.handle.net/20.500.14288/6

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Indexed at: search.filters.indexed.PubMedSubject: search.filters.subject.Business and economics

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    PublicationOpen Access
    Capacity planning for effective cohorting of hemodialysis patients during the coronavirus pandemic: a case study
    (Elsevier, 2023) Bozkır, C.D.C.; Özmemiş, C.; Kurbanzade, A.K.; Balçık, B.; Tuğlular, S.; Department of Business Administration; Güneş, Evrim Didem; Faculty Member; Department of Business Administration; College of Administrative Sciences and Economics; 51391
    Planning treatments of different types of patients have become challenging in hemodialysis clinics during the COVID-19 pandemic due to increased demands and uncertainties. In this study, we address capacity planning decisions of a hemodialysis clinic, located within a major public hospital in Istanbul, which serves both infected and uninfected patients during the COVID-19 pandemic with limited resources (i.e., dialysis machines). The clinic currently applies a 3-unit cohorting strategy to treat different types of patients (i.e., uninfected, infected, suspected) in separate units and at different times to mitigate the risk of infection spread risk. Accordingly, at the beginning of each week, the clinic needs to allocate the available dialysis machines to each unit that serves different patient cohorts. However, given the uncertainties in the number of different types of patients that will need dialysis each day, it is a challenge to determine which capacity configuration would minimize the overlapping treatment sessions of different cohorts over a week. We represent the uncertainties in the number of patients by a set of scenarios and present a stochastic programming approach to support capacity allocation decisions of the clinic. We present a case study based on the real-world patient data obtained from the hemodialysis clinic to illustrate the effectiveness of the proposed model. We also compare the performance of different cohorting strategies with three and two patient cohorts.
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    PublicationOpen Access
    We survived this! what managers could learn from SMEs who successfully navigated the Greek economic crisis
    (Elsevier, 2020) Kottika, E.; Rydén, P.; Theodorakis, I.G.; Kaminakis, K.; Kottikas, K.G.; Stathakopoulos, V.; Department of Business Administration; Tunalı, Ayşegül Özsomer; Faculty Member; Department of Business Administration; College of Administrative Sciences and Economics; 108158
    Small and medium size enterprises in both business to business and consumer markets are particularly vulnerable to economic downturns. Concentrating on the Greek economic crisis, one of the toughest and most prolonged on a global scale, the present research sheds light on both anthropocentric and business-centric factors that helped SMEs survive, therefore, providing a valuable survival manual. Per findings of two studies performed under the given economically intense conditions, it is evidenced that the right answer to survival rests upon: (a) the entrepreneurs' personality traits and skills that affect the market and entrepreneurial orientations of SMEs, (b) the adoption of such orientations that keep impacting the firms' performance, and finally (c) the implementation of strategy relevant to reaching higher quality standards for products and services, combined with tactics relevant to downsizing, marketing actions, extroversion, and financial management.
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    PublicationOpen Access
    Care in times of the pandemic: Rethinking work meanings of work in the university
    (Wiley, 2022) Bergeron, S.; Department of International Relations; Olcay, Özlem Altan; Faculty Member; Department of International Relations; College of Administrative Sciences and Economics
    In this paper, we challenge the meanings of work that marginalize academic activities associated with care and contribute to inequitable gender divisions of academic labor. We argue that the pandemic crisis and the revision of the meaning of ""essential work"" that accompanied it has served as a catalyst for such concerns to get a hearing. But while there has been significant attention paid to domestic care demands and their impact on academic labor, there is less focus on the caretaking work we do in the university even though the gender unequal distribution of teaching, mentoring and service work has also intensified in the pandemic. We argue that this is in part due to the institutional discourses and practices that continue to devalue many components of everyday academic labor. In order to challenge these limits, we extend ideas from Feminist political economy (FPE) to university settings in order to reframe academic labor and revalue care as an essential part of it. We offer two suggestions, connected to FPE methodologies, for gathering and reconceptualizing data on academic work to push the project forward. We conclude with the argument that this project of revaluing caring labor is essential for achieving goals of equity, faculty well-being, and the sustainability of universities.