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Recent Submissions

Evaluating solutions and solution sets under multiple objectives
Karakaya, Gülşah; Köksalan, M. (2021-10-01)
© 2021 Elsevier B.V.In this study we address evaluating solutions and solution sets that are defined by multiple objectives based on a function. Although any function can be used, we focus on mostly weighted Tchebycheff fu...
Impact of Covid-19 outbreak on Turkish gasoline consumption
Gungor, Bekir Oray; Ertugrul, H. Murat; Soytaş, Uğur (2021-05-01)
This paper investigates the effects of Covid-19 outbreak on Turkish gasoline consumption by employing a unique data set of daily data covering the 2014-2020 period. Forecast performance of benchmark ARIMA models are evalua...
Comparing the willingness to pay through three elicitation mechanisms: An experimental evidence for organic egg product
Dinc-Cavlak, Ozge; Özdemir, Özlem (2021-04-01)
This study is the first attempt to elicit individual willingness to pay (WTP) for varying attributes of a specific food product, the organic egg, using three elicitation methods, namely, a real choice experiment (RCE), the...
The impact of variable renewable energy technologies on electricity markets: An analysis of the Turkish balancing market
Sirin, Selahattin Murat; Yılmaz, Berna Nisa (2021-04-01)
© 2021 Elsevier LtdAs global investment in renewable energy technologies continue to trend upward, the effects of variable (intermittent) renewable energy technologies on power markets have created serious challenges for r...
The Asymmetric Impact of Funding Liquidity Risk on the Volatility of Stock Portfolios during the COVID-19 Crisis
Kocaarslan, Barış; Soytas, Ugur (2021-02-01)
In this study, we identify economic transmission channels through which changes in funding liquidity conditions in interbank markets asymmetrically affect volatilities of stock portfolios during the COVID-19 crisis. For th...
Interactive approaches for biobjective problems with progressively changing solution sets
Karakaya, Gülşah; Köksalan, Mustafa Murat (Wiley, 2021-01-01)
In this study, we develop interactive approaches to find a satisfactory alternative of a decision maker (DM) having a quasiconvex preference function where the alternative set changes progressively. In this environment, we...
A New Interactive Algorithm for Continuous Multiple Criteria Problems: A Portfolio Optimization Example
Karakaya, Gülşah; Sakar, Ceren Tuncer (2021-01-01)
© 2021 World Scientific Publishing Company.In continuous multiple criteria problems, finding a distinct preferred solution for a decision maker (DM) is not straightforward. There are few recent studies proposed for this ta...
Autonomy or loyalty? Community-within-community interactions of a local football fandom group
Ay, Utku; Kaygan, Harun (2021-01-01)
Fandom communities adopt diverse consumption practices to cope with an overwhelmingly commodified football. Drawing upon literature on consumer communities, this paper examines a local football fandom community in multifar...
Fibonacci series-based pairwise comparison scale for analytic hierarchy process
Can Ylldlrlm, Boǧaç; Karakaya, Gülşah; Gönül, Mustafa Sinan (2021-01-01)
© 2021 World Scientific Publishing Company.The Analytic Hierarchy Process (AHP) is one of the most widely used quantitative tools in multi-criteria decision-making problems. Despite its popularity and use due to its simple...
FİNANSAL SİSTEMİN YAPISI İLE REEL EKONOMİ ARASINDAKİ DİNAMİK ETKİLEŞİM
Şendeniz Yüncü, İlkay (2020-12-01)
Bu çalışmada, üretim için önemli bir girdi olan enerjinin fiyatında meydana gelen değişimin Türkiye’nin üretim ve istihdam düzeyine etkisinin incelenmesi amaçlanmaktadır. Bu kapsamda, petrol fiyatları ile sanayi üretim end...
Leverage dynamics: Do financial development and government leverage matter? Evidence from a major developing economy
Yarba, Ibrahim; Güner, Zehra Nuray (Springer Science and Business Media LLC, 2020-11-01)
This study analyses leverage dynamics of Turkish non-financial firms over the last 20 years using a confidential and unique firm-level dataset. Results of dynamic panel estimations reveal that financial development fosters...
A quantitative investigation of students' attitudes towards electronic book technology
Bulur, Hatice Gonca; Gonul, Mustafa Sinan (SAGE Publications, 2020-09-01)
The purpose of this study is to analyse the factors that have an impact on technology adoption for e-books utilizing the Analytic Hierarchy Process and Multiple Regression Analysis methods. Findings indicate that perceived...
Variable renewable energy technologies in the Turkish electricity market: Quantile regression analysis of the merit-order effect
Sirin, Selahattin Murat; Yılmaz, Berna Nisa (Elsevier BV, 2020-09-01)
The share of variable renewable energy sources in power supply has increased significantly in many countries; however, this increase has also created problems in electricity markets. While the average day-ahead market pric...
Stock market development and low-carbon economy: The role of innovation and renewable energy
Zeqiraj, Veton; Sohag, Kazi; Soytaş, Uğur (Elsevier BV, 2020-09-01)
We examine the effect of stock market development (SMD) on the low-carbon economy (LCE). We consider two channels, renewable energy and technological innovation by which this affect occurs. We use the cross-sectional autor...
Macromarketing Pedagogy: Empowering Students to Achieve a Sustainable World
Shapiro, Stanley; Beninger, Stefanie; Domegan, Christine; Reppel, Alexander; Stanton, Julie; Watson, Forrest (SAGE Publications, 2020-08-01)
The United Nation's Sustainable Development Goals (SDGs) are challenging the world to work towards a more sustainable future. Its 17 goals are ambitious, requiring concerted and system-based efforts driven by critical and ...
Trust-Driven Entrepreneurship for Community Well-Being of Refugees and Their Local Hosts
Baktir, Zeynep; Watson, Forrest (SAGE Publications, 2020-07-01)
This article explores community well-being (CWB) outcomes of institutional trust (and distrust) through entrepreneurship in the context of a refugee-hosting society in Turkey. Existing studies show the positive relationshi...
Institutional maintenance of e-commerce through traditional retail
Geyik, Bahtiyar Onur; Topal, Çağrı (2020-07-01)
This study analyzes the process of opening traditional, physical retail stores by e-commerce companies as institutional work of maintenance. Past research examines internal mechanisms used to maintain institutions and igno...
The Direct and Moderating Effects of Endogenous Corporate Social Responsibility on Firm Valuation: Theoretical and Empirical Evidence from the Global Financial Crisis
Hannah, Sean T.; Sayarı Marcum, Naz; Harris, Frederick H. deB; Cain, Carol L. (Wiley, 2020-06-14)
Research has produced inconclusive results concerning the effects of corporate social responsibility (CSR) on firm financial performance, with only 59 percent of studies demonstrating positive effects. Yet, still unaddress...
Understanding the Dark Sides of Alternative Economies to Maximize Societal Benefit
Watson, Forrest; EKİCİ, AHMET (SAGE Publications, 2020-06-01)
Alternative economies can significantly contribute to societal flourishing, but the potential dark sides should also be considered. As shared commitments are the foundation of alternative economies, we draw on related lite...
Uncertainty, macroprudential policies and corporate leverage: Firm-level evidence
Yarba, Ibrahim; Güner, Zehra Nuray (2020-06-01)
This paper investigates the impact of macroprudential policies and uncertainty of economic environment on corporate leverage dynamics over the last decade. This is the first study to investigate the impact of macroprudenti...
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