Scopus İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/8651

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Now showing 1 - 10 of 27
  • Article
    Citation - WoS: 5
    Citation - Scopus: 4
    Analysis of a Historic Masonry Building
    (Croatian Soc Civil Engineers-hsgi, 2011) Ozmen, Cengiz; Özmen, Cengiz; Akan, Asli Er; Akan, Aslı; Unay, Ali Ihsan; Mimarlık
    The paper starts from the observation that historic masonry buildings are often modified and altered to make them fit for present day use. A single-family masonry house in Turkey, situated in an earthquake prone area and built in the early 20(th) century, is studied. The analysis is made based on Turkish regulations for the initial building and for the building after alterations. Introduction of a reinforced-concrete slab has greatly improved seismic resistance of the building.
  • Article
    Citation - WoS: 2
    Citation - Scopus: 2
    Job Flow Patterns and Productivity Dynamics in Turkish Manufacturing
    (World Scientific Publ Co Pte Ltd, 2024) Dogan, Ergun; Islam, M. Qamarul; Yazici, Mehmet
    In this paper, we analyze the job creation and destruction process, and the productivity dynamics in Turkish manufacturing by size, export status, import status and ownership by using a comprehensive firm-level dataset for the period of 2010-2015. Our focus is on the effect of turnover, which is due to the entry and exit of firms, on both job flows and industrial productivity growth. Our results show that while small firms contribute most to job creation, it is the large firms that contribute most to productivity growth. Regarding ownership, domestic private firms perform better than foreign firms in both job creation and productivity growth. With respect to export status, even though non-exporters outperform exporters in job creation, exporters dominate the productivity growth. As for import status, in job creation, like in the case of export status, non-importers do better but in productivity growth, unlike in the export status, no group of firms dominate, more specifically importers' and non-importers' contributions are close to each other. Another interesting finding is that, turnover effect on industry productivity is positive but very low. The role of incumbent firms in generating productivity growth is much higher than that of entering and exiting firms.
  • Article
    Citation - WoS: 6
    Citation - Scopus: 5
    Understanding Location Choice of Syrian Refugees From Country To Neighbourhood Level: Opportunities, Restrictions and Expectations
    (Pergamon-elsevier Science Ltd, 2022) Kahraman, Z. Ezgi Haliloglu
    This study aimed to delve into distinct strands of the location choice (LC) of Syrian refugees by uncovering its determinants at country, city and neighbourhood levels from the narratives, along with the help of content analysis. Findings providing an aggregate explanation of the Syrian emplacement process revealed that Syrian refugees in Turkey, as active agents in the process, make their destination choices within opportunities and restrictions of different scales through the contribution of other agents, places and processes. Findings emphasizing time-and context-specific features -the transitivity, interrelatedness and multi-dimensionality (legal, economic, socio-cultural and spatial) of determinants of LC -showed that the opportunities and restrictions of LC influence Syrians' future expectations.
  • Article
    Citation - WoS: 3
    Citation - Scopus: 5
    Incivility, Mobbing, and Abusive Supervision: a Tripartite Scale Development Study
    (Routledge Journals, Taylor & Francis Ltd, 2024) Sumer, H. Canan; Goncu-Kose, Asli; Toker-Gultas, Yonca; Acar, F. Pinar; Karanfil, Derya; Ok, A. Basak
    Using qualitative and quantitative methodologies, in three consecutive studies with employed samples, we developed measures of workplace incivility, mobbing, and abusive supervision sensitive to the nuances of a non-Western context (i.e., Turkiye). In Study 1, we first conducted 15 focus groups (N = 149), identified culture-specific and universal themes underlying the focal mistreatment types, and developed the initial scales. We then pilot-tested (N = 427) and refined the scales using exploratory factor analytic procedures. In Study 2, confirmatory factor analyses (N range = 456-524) and associations between the new scales and their widely used counterparts (N = 353) yielded evidence for the construct validity of the scales. Study 2 also involved the development of short forms of relatively long incivility and abusive supervision scales. In Study 3 (N = 482), we first examined the extent to which the three scales were operationally distinct. Second, we examined the scales' ability to predict burnout and organizational commitment. Results supported operational distinctiveness as well as the criterion-related validity of the scales. A dominance analysis revealed that the three scales had equivalent contributions in explaining the two outcome variables, further justifying their distinctiveness. We argue that the use of present scales is not necessarily restricted to the Turkish context and may prove useful more broadly in other neo-traditional contexts.
  • Article
    Citation - WoS: 1
    Citation - Scopus: 1
    Decoding the Impact of Covid-19 on Everyday Life Practices of Syrian Refugees: an Investigation at the Neighbourhood Level
    (Routledge Journals, Taylor & Francis Ltd, 2024) Kahraman, Z. Ezgi Haliloglu; Haliloğlu Kahraman, Z. Ezgi
    This study investigates the impact of the COVID-19 pandemic at the neighbourhood level on the everyday life practices of Syrian refugees and the potential reasons for virus transmission in their settlements. It is based on fieldwork in an ethnic enclave of Ankara, which revealed comparative insights into everyday life practices of Syrians before and after the outbreak, their perceptions, reactions and strategies towards the pandemic and its countermeasures. Their religious beliefs, socio-cultural structure, social networks and economic struggles have significant effects on their perceptions and practices in pandemic times; together with their living and working conditions, this may create risks of virus transmission. The degradation in their employment status, interruptions in donations and increase in expenditures resulted in decreases in living standards. The outbreak, negatively influencing their use of public services and some parts of social life created new inequalities and stressors but empowered their social support system and virtual networking capacities.
  • Article
    Citation - WoS: 5
    Citation - Scopus: 5
    Understanding the Local Dynamics of Syrian Refugee Integration Through the Eyes of Refugees and Local Residents: the Case of the Onder Neighbourhood, Ankara
    (Routledge Journals, Taylor & Francis Ltd, 2022) Kahraman, Z. Ezgi Haliloglu; Gungordu, Feriha Nazda; Haliloğlu Kahraman, Z. Ezgi
    As the civil war in Syria continues and the displaced Syrians continue to become 'urban refugees' in their settled (host) countries since 2011, policy/political attention has shifted to refugee emplacement and integration. Despite the growing policy-oriented literature on integration, limited attention has gone to developing actor-oriented approaches to uncover the local dynamics of refugee integration by giving a voice to both refugees and local people. Attempting to address this gap in the literature, this article presents the views of Syrian refugees and local people on the integration process through the findings of a case study conducted in the onder neighbourhood of Ankara, Turkey; known as 'Little Aleppo.' The findings portray the social, economic, political and spatial dimensions of Syrians' integration at the local level from both parties' perspectives and reveal the local drivers of and barriers to Syrians' integration in Onder.
  • Article
    Citation - WoS: 20
    Citation - Scopus: 29
    Virtual Business Operations, E-Commerce & Its Significance and the Case of Turkey: Current Situation and Its Potential
    (Springer, 2012) Gokmen, Aytac
    21(st) century is the age of high technologies penetrated into business leading to virtual businesses and e-commerce applications combined with electronic business (e-business) structures. Virtual businesses are independent and/or partly dependent organizations that have flexible and agile structures to respond the altering business conditions. Yet, electronic commerce (e-commerce) is the exchange of goods and services over the Internet. Both virtual businesses and e-commerce operations enable organizations to have fluid structures, modify the changing conditions, lower expenses, access to new markets and attain new consumers. The e-commerce applications have also been increasing in Turkey at a great pace but not significantly when compared to the total trade volume. For, the aim of this paper is to focus on the virtual businesses, e-commerce, harmonization of the conventional business structures with e-commerce and emphasize the importance of the e-commerce applications in Turkey resting on dependable national and international publications and data. With respect to the research made, it is possible to state that the e-commerce volume of Turkey is increasing as a remedy to cover the foreign trade deficit, but it is still not sufficient when compared to the total trade volume. Additionally, even though Turkey possesses an efficient e-government mechanism and e-signature law to enhance the volume of its e-commerce, the lack of cooperation among parties and standardization as well as the difficulty in adoption of digital transactions would be issues to be tackled in order to develop e-commerce in Turkey.
  • Article
    Citation - WoS: 4
    Citation - Scopus: 10
    Finding the Most Suitable Existing Irrigation Dams for Small Hydropower Development in Turkey: a Gis-Fuzzy Logic Tool
    (Pergamon-elsevier Science Ltd, 2021) Al Bayat, Omar; Maras, H. Hakan; Kucukali, Serhat; Al Bayatı, Omar
    This paper enables a screening of existing irrigation dams in order to assess and rank potential sites for small hydropower development by using a Geographic Information System (GIS)-fuzzy logic multi criteria scoring technique. The following criteria are evaluated: dam characteristics (reservoir normal level, reservoir capacity, dam purpose, dam ageing), and grid connection spatial characteristics. The proposed method estimates the suitability degree of each criterion separately and then aggregates them into a Site Suitability Index (SSI). Existing irrigation dams in Turkey are assessed in order to be utilized for hydropower development. The overall score of each candidate site is obtained and, their performance is compared for different strategies. One of the most suitable dams, Karadere, was chosen as a case study. By using the daily continuous monitored data, we showed that flow and head is highly variable during the irrigation season. Accordingly, we evaluated an innovative compact medium-head hydro turbine that can capture those fluctuations with its operational flexibility and minimal civil works. Moreover, an optimal path methodology was applied to find the best grid connection route from the dam to its nearest substation considering the site land use characteristics in order to minimize land expropriation. (c) 2021 Elsevier Ltd. All rights reserved.
  • Article
    Citation - WoS: 5
    Citation - Scopus: 4
    Investigating Syrian Refugees' Choice of Location in Urban Areas as a Subjective Process: a Cross-Case Comparison in the Neighbourhoods of Onder (Ankara) and Yunusemre (Izmir)
    (intellect Ltd, 2021) Kahraman, Zerrin Ezgi; Gungordu, Feriha Nazda
    In migration literature, the growing interest in the localized and subjective forms of refugee emplacement in urban areas following the influx of Syrian refugees has brought along new debates on how to approach the location choices (LC) of refugees. Accordingly, in this study, we investigated the different dimensions of Syrian refugees' location choices at the urban/neighbourhood level. Specifically, we aimed to understand the dynamics behind the growing tendency among Syrian refugees in Turkey to settle in neighbourhoods that are close to inner-city industrial sites by conducting two case studies in the Onder neighbourhood of Ankara and the Yunusemre neighbourhood of Izmir in a comparative manner. From the twenty-three interviews conducted with Syrians, we uncovered the themes of LC and categorized them in accordance with the dimensions of LC addressed in the literature. We identified three main dimensions that affected Syrians' location choices at the neighbourhood level as: economic (the availability of job opportunities, public and commercial services, the affordability of accommodation), socio-cultural (the existence of co-ethnics, kinship/ethnic relations) and socio-spatial (proximity to the city centre, transportation, public and commercial services, workplaces). Here, we acknowledged the intertwined relation between these dimensions and refugee subjectivity in LC.
  • Article
    Citation - WoS: 78
    Citation - Scopus: 92
    Finding the Most Suitable Existing Hydropower Reservoirs for the Development of Pumped-Storage Schemes: an Integrated Approach
    (Pergamon-elsevier Science Ltd, 2014) Kucukali, Serhat
    This study aims to evaluate existing hydropower reservoirs for the development of pumped-storage schemes by using multi-criteria scoring technique. This method enables a screening of existing hydropower reservoirs, in order to assess and rank potential sites for pumped-storage development. This analysis is based on the documented evidence, measured data, and site surveys. The site assessments are categorized in 6 criteria namely geometrical conditions (maximum head, head to water way length ratio, distance to grid connection), geological conditions, environmental, and social conditions. In the context of the study, 7 existing hydropower reservoirs in Turkey, each with a catchment area of more than 50 km(2), are evaluated in order to be utilized as the lower reservoirs of pumped-storage facilities. The overall score of each candidate site is obtained and, their performance is compared. The results indicate that Turkey have suitable existing hydropower reservoirs for the development of pumped-storage facilities. However, the country lacks from legal and market framework for the establishment of pumped-storage power plants. (C) 2014 Elsevier Ltd. All rights reserved.