Category: Makale

Bibliometric Analysis of Studies on the Dark Tetrad

Bibliometric Analysis of Studies on the Dark Tetrad

Article Information
Journal: Business and Economics Research Journal
Title of Article: Bibliometric Analysis of Studies on the Dark Tetrad
Author(s): Funda Er Ülker
Volume: 16
Number: 1
Year: 2025
Page: 107-123
ISSN: 2619-9491
DOI Number: 10.20409/berj.2025.459
Abstract
The purpose of this study is to guide future studies on the subject by conducting a bibliometric analysis of the studies on the “dark tetrad” in the Web of Science. In this direction, bibliometric data of 250 studies published between 2013 and 2023 were used. The research results show that the first study on the dark tetrad was conducted in 2013 and the most studies were conducted in 2021. Also the most studies were found to be in the article type, in the field of psychology, in the English language and in the United States of America. The most cited publication is the article titled “Trolls Just Want to Have Fun” written by Buckels, Trapnell and Paulhus in 2014. The most collaborating author is E. March, the most cited author is D. L. Paulhus, the most cited country is Canada, the most cited institution is the University of British Columbia, the most frequently used keyword is “dark tetrad” and the most co-cited author is Paulhus.

Keywords: Dark Tetrad, Bibliometrics, Bibliometric Analysis, Web of Science, Visual Mapping

JEL Classification: M1O, M19

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Bibliometric Analysis of Studies in The Field of Economics of Education in The Web of Science Database

Bibliometric Analysis of Studies in The Field of Economics of Education in The Web of Science Database

Article Information
Journal: Business and Economics Research Journal
Title of Article: Bibliometric Analysis of Studies in The Field of Economics of Education in The Web of Science Database
Author(s): Murat Yiğittekin, Orhan Cingöz, Fatma Köybaşi Şemin
Volume: 16
Number: 1
Year: 2025
Page: 87-106
ISSN: 2619-9491
DOI Number: 10.20409/berj.2025.458
Abstract
The objective of this study is to present a critical analysis of the bibliometric analysis of research in the field of economics of education in the Web of Science database between 1970 and 2024, employing the scientific mapping method. To this end, a total of 1,717 studies pertaining to the field of economics of education were retrieved from the Web of Science database. The data were analyzed using the Bibliometrix and VOSviewer software. The distribution of research on the economics of education was examined in terms of the number of articles, the average annual number of citations, the journals, institutions, and prominent authors publishing the most on the subject, the countries and collaboration status of the researchers, the word cloud and the most used keywords, and the current status of this research. Both performance analysis and scientific mapping analysis were employed to examine the data. The results demonstrate that the number of studies in the field of economics of education has increased since 2001. The majority of studies on this subject were conducted in the USA and by authors affiliated with the California State University system. The most prolific researcher in this field was D. Goldhaber, with the highest number of publications being in the journal Economics of Education Review. The author with the highest number of citations is P. Engzell, while the author with the highest number of co-citations and co-references is E. A. Hanushek. Moreover, the most frequently cited journal in this field was the American Economic Review, while the most prevalent keyword was “educational economics.” It is anticipated that the research conducted in light of the findings will illuminate the direction of future studies in the field of educational economics and serve as a guiding force.

Keywords: Economics of Education, Educational Economics, Bibliometric Analysis, Scientific Mapping

JEL Classification: H52, I21, I22

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Turkish Adaptation of Career Well-being Scale: Validity and Reliability Analysis

Turkish Adaptation of Career Well-being Scale: Validity and Reliability Analysis

Article Information
Journal: Business and Economics Research Journal
Title of Article: Turkish Adaptation of Career Well-being Scale: Validity and Reliability Analysis
Author(s): Meryem Derya Yeşiltaş
Volume: 16
Number: 1
Year: 2025
Page: 69-86
ISSN: 2619-9491
DOI Number: 10.20409/berj.2025.457
Abstract
This study aims to adapt the “career well-being scale”, consisting of 14 items and three dimensions, developed by Coetzee et al. (2021), into Turkish and to test its validity and reliability. To investigate the validity and reliability of the scale, exploratory factor analysis, confirmatory factor analysis, Cronbach’s alpha reliability test, normality test, convergent and discriminant validity analyses, and measurement invariance tests by gender were conducted. The study sample consisted of 415 teachers working in public schools in Adana and Osmaniye provinces. The results of the exploratory and confirmatory factor analyses supported the three-dimensional, 14-item structure of the scale and demonstrated that both convergent and discriminant validity were achieved. Configural, metric, scalar, and strict invariance models were tested to examine measurement invariance across gender groups. The findings indicated that the scale met the criteria for configural, metric, scalar, and strict invariance, establishing full measurement invariance and showing that female and male participants interpreted the scale content similarly. In conclusion, the multidimensional structure of the career well-being scale was confirmed within the Turkish context, and it was found to be a valid and reliable measurement tool with strong psychometric properties. The scale was determined to be a reliable and valid instrument suitable for researchers and practitioners, such as career counselors and human resources professionals.

Keywords: Career, Career Well-Being, Scale Adaptation, Validity and Reliability, Measurement Invariance

JEL Classification: D23, J24, M1, M12, C83

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Sustainability Attitudes and Behaviours of University Students: The Case of Bursa Uludag University

Sustainability Attitudes and Behaviours of University Students: The Case of Bursa Uludag University

Article Information
Journal: Business and Economics Research Journal
Title of Article: Sustainability Attitudes and Behaviours of University Students: The Case of Bursa Uludag University
Author(s): Elif Yücel
Volume: 16
Number: 1
Year: 2025
Page: 43-67
ISSN: 2619-9491
DOI Number: 10.20409/berj.2025.456
Abstract
Although sustainability is one of the most important global goals of our time, it has not yet been fully integrated into the daily lives of individuals in many societies. This study aims to examine the level of students’ attitudes and behaviours towards sustainability at universities, which are expected to spread sustainability awareness by forming the foundation of sustainability education, and to measure the impact of these attitudes on behaviours related to sustainability. The research was conducted with students from the Faculty of Economics and Administrative Sciences (FEAS) at Bursa Uludağ University, and the data were collected through a survey. A total of 921 students from different departments of the FEAS participated in the survey, and frequency analysis, regression analysis, t-test, and ANOVA analyses were used in the data analysis. According to regression analysis results, a moderate positive relationship was found between students’ sustainability attitudes and sustainability behaviours. This indicates that students with a higher awareness of sustainability are more likely to engage in behaviours that reflect these attitudes. Furthermore, the study found a statistically significant difference between students’ knowledge levels about the sustainable development goals and their interest in these goals, and their sustainability attitudes and behaviours. Students who had more knowledge about the goals and showed greater interest in them were found to have more positive sustainability attitudes and behaviours. The study also revealed statistically significant differences in students’ sustainability attitudes and behaviours based on their gender, length of study, and the departments they were studying in.

Keywords: Sustainability, Education, Sustainable Development Goals, Sustainability Attitudes and Behaviours

JEL Classification: Q01, Q56

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The Effect of Global Food and Oil Prices on Inflation: Empirical Evidence from Türkiye

The Effect of Global Food and Oil Prices on Inflation: Empirical Evidence from Türkiye

Article Information
Journal: Business and Economics Research Journal
Title of Article: The Effect of Global Food and Oil Prices on Inflation: Empirical Evidence from Türkiye
Author(s): Hatice Bozkurt
Volume: 16
Number: 1
Year: 2025
Page: 21-41
ISSN: 2619-9491
DOI Number: 10.20409/berj.2025.455
Abstract
Inflation is one of the most important instability indicators that disrupts macroeconomic stability. In this study, the effects of global food prices, oil prices, exchange rates (US$/TRY), and money supply on inflation in the Turkish economy are examined. Using monthly data for the period 2010M01-2021M09, the cointegration relationships between variables were tested with the fractional frequency Fourier bootstrap ARDL approach. The findings showed that the consumer price index, global food price index, oil prices, exchange rate, and money supply variables have a cointegration relationship. The exchange rate is the variable that has the strongest effect on inflation in the long term. Short-term deviations from the balance return to the long-term balance in approximately five and a half months. The findings are consistent with the error correction-based Granger causality test results. Based on the results, it can be argued that inflation in Türkiye is caused by the exchange rate and money supply rather than global food and energy prices.

Keywords: Inflation, Global Food Prices, Oil Prices, Exchange Rate, Fractional Frequency Fourier Bootstrap ARDL Approach

JEL Classification: E31, E37

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Consumption-Based Poverty in Türkiye between 2003 and 2022

Consumption-Based Poverty in Türkiye between 2003 and 2022

Article Information
Journal: Business and Economics Research Journal
Title of Article: Consumption-Based Poverty in Türkiye between 2003 and 2022
Author(s): Sümeyye Yıldız
Volume: 16
Number: 1
Year: 2025
Page: 1-20
ISSN: 2619-9491
DOI Number: 10.20409/berj.2024.454
Abstract
This paper seeks to evaluate consumption-based poverty in Türkiye between 2003 and 2022. Using representative household data from the Turkish Statistical Institute’s Household Budget Survey, this study calculates the Foster-Greer-Thorbecke (FGT) poverty indices based on relative poverty thresholds. The results show that poverty rates initially declined rapidly between 2003 and 2008, increased slightly between 2008 and 2012, and then continued to decline between 2012 and 2018. After 2018, poverty rates increased in Türkiye, almost reaching the 2007 level. The analysis also includes the decomposition of poverty changes into growth and redistribution components as well as subgroups. Growth in living standards acted as a poverty-reducing effect and was dominant between 2004-2008 and 2012-2018. The redistribution component was a poverty-increasing factor that was dominant after 2018. These periods coincide with the country’s overall economic performance. In particular, the highest decline in poverty rates occurred during high economic growth between 2003-2008. The surge in inflation post-2019 aligns with the increase in consumption poverty rates in 2022.

Keywords: Poverty, Consumption, Relative Poverty Line, Poverty Decomposition

JEL Classification: I30, I31, I32, O10, O15

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Adaptation of Sustainable Consumption Scale to Turkish: The Study of Validity and Reliability

Adaptation of Sustainable Consumption Scale to Turkish: The Study of Validity and Reliability

Article Information
Journal: Business and Economics Research Journal
Title of Article: Adaptation of Sustainable Consumption Scale to Turkish: The Study of Validity and Reliability
Author(s): Ali Alper Akgün, Nevin Kortunay
Volume: 15
Number: 4
Year: 2024
Page: 419-433
ISSN: 2619-9491
DOI Number: 10.20409/berj.2024.453
Abstract
The environmental damage caused by increasing population, intensifying industrialization, and excessive consumption has reached threatening levels for human life. Promoting sustainable consumption behaviors and transforming existing consumption behaviors into sustainable ones is of great importance for the efficient use of resources and the reduction of environmental damage. Measuring individuals’ perceptions and tendencies toward sustainable consumption will enable institutions and organizations to transform current consumption behaviors and develop the necessary strategies to achieve their goals. The purpose of this study is to adapt the sustainable consumption scale developed by Quoquab and Mohammad (2020) to Turkish by examining its validity and reliability. The items in the original scale were translated into Turkish using a translation-back translation method. The translated scale was applied to 485 individuals selected using a convenience sampling method. Data analysis began with item-total correlation analysis, followed by exploratory factor analysis (EFA) using the parallel analysis method. The three-factor structure with 16 items obtained from EFA was examined with confirmatory factor analysis (CFA) to achieve a valid measurement model. The three factors explain 58.12% of the total variance. The internal consistency coefficient (Cronbach’s alfa) for the entire scale was calculated as 0.87. The resulting model was tested for discriminant and convergent validity. The findings indicate that the Turkish form of the scale is a valid and reliable measurement tool. The adapted scale is expected to contribute to future studies measuring the sustainable consumption tendencies of Turkish consumers.

Keywords: Sustainable Consumption, Sustainable Consumption Scale Adaptation, Validity, Reliability

JEL Classification: M30, M31, Q01

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The Mediating Role of Continuance Commitment in the Effect of Psychological Contract Breach on Turnover Intention

The Mediating Role of Continuance Commitment in the Effect of Psychological Contract Breach on Turnover Intention

Article Information
Journal: Business and Economics Research Journal
Title of Article: The Mediating Role of Continuance Commitment in the Effect of Psychological Contract Breach on Turnover Intention
Author(s): Coşkun Akça
Volume: 15
Number: 4
Year: 2024
Page: 405-418
ISSN: 2619-9491
DOI Number: 10.20409/berj.2024.452
Abstract
The objective of this study is to investigate the mediating influence of continuance commitment on the effect of psychological contract breach on turnover intention. These relationships were established in accordance with the tenets of social exchange theory and conservation of resources theory. The data for this study were collected from employees of a district municipality in the TR82 region using a cross-sectional research design. The data were analysed using statistical methods. The findings of the study indicate that psychological contract breach exerts an influence on turnover intention; however, continuance commitment does not mediate this effect. This study is anticipated to contribute to the existing literature within the framework of social exchange theory and resource conservation theory, and to raise awareness about psychological contract breach. It also aims to contribute to organizations to develop strategies to increase continuance commitment and retain talent.

Keywords: Psychological Contract Breach, Continuance Commitment, Turnover Intention

JEL Classification: D71, L24, M10

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Research on the Scalability Effect of Arbitrum and Optimism Applications in the Ethereum Network

Research on the Scalability Effect of Arbitrum and Optimism Applications in the Ethereum Network

Article Information
Journal: Business and Economics Research Journal
Title of Article: Research on the Scalability Effect of Arbitrum and Optimism Applications in the Ethereum Network
Author(s): Mehmet Çınar, Muhammed Apak
Volume: 15
Number: 4
Year: 2024
Page: 389-404
ISSN: 2619-9491
DOI Number: 10.20409/berj.2024.451
Abstract
As Bitcoin’s popularity has grown, scaling issues have inevitably emerged. Limitations on block size and increasing transaction fees have sparked debates and triggered the search for alternative solutions. Ethereum was designed to surpass Bitcoin’s limited functionality and provide more complex features such as smart contracts. However, the widespread adoption of Ethereum has led to challenges in sustaining increased transaction volumes without compromising on speed and/or cost. In response to these difficulties, layer-2 scaling solutions like Optimistic Rollup have been developed. This study examines the scalability challenges of the Ethereum network and assesses the impact of layer-2 scaling solutions, specifically Arbitrum and Optimism, on scalability. According to the study’s findings, the activation of Arbitrum and Optimism results in an increase in both daily average transaction numbers and average transaction fees on Ethereum. These findings indicate that layer-2 solutions like Arbitrum and Optimism have not been successful in enhancing Ethereum’s scalability and reducing transaction costs as originally envisioned.

Keywords: Blockchain, Scalability, Optimistic Rollup, Arbitrum, Optimism, Layer-2

JEL Classification: D13, E44, G15

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Forecasting Drinking Water Sales Values with Artificial Neural Networks: A Comparative Analysis with ARIMA and Winters’ Methods

Forecasting Drinking Water Sales Values with Artificial Neural Networks: A Comparative Analysis with ARIMA and Winters’ Methods

Article Information
Journal: Business and Economics Research Journal
Title of Article: Forecasting Drinking Water Sales Values with Artificial Neural Networks: A Comparative Analysis with ARIMA and Winters’ Methods
Author(s): Selim Tüzüntürk
Volume: 15
Number: 4
Year: 2024
Page: 371-388
ISSN: 2619-9491
DOI Number: 10.20409/berj.2024.450
Abstract
This study aimed to forecast drinking water sales accurately for a water company dealer using the artificial neural networks method. The data used in this study is the total monthly sales number of dispenser-size water bottles of a water company’s dealer in Bursa. The data consists of 85 months, from May 2017 to May 2024. In this context, an artificial neural network model was developed, and the estimations’ performance was quite good. The histogram of estimation errors and normality tests showed a normal distribution. The findings show that the network can generalize. Besides this, visualizing the actual and estimated values showed that they follow the same patterns. As a result, it was concluded that monthly sales can be forecasted with the model developed using the threshold values and weights obtained from the trained network. Long-term forecasts were made and interpreted for the water company dealer using the developed model. Finally, the proposed artificial neural network was validated by comparing it with the average absolute percentage error values of alternative models, seasonal autoregressive integrated moving average, and seasonal exponential smoothing models.

Keywords: Forecasting, Sales Forecast, Drinking Water, Artificial Neural Networks, ARIMA, Winters’ Method

JEL Classification: C13, C45, E37, L21

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