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Distribution Channels for Organic Food in the Republic of Serbia 塞尔维亚共和国有机食品的分销渠道
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0014
Tamara Stanković, Aleksandra Andjelković, Goran Milovanović
Abstract Continuous organic production growth in the Republic of Serbia poses the issue of the existence of adequate distribution channels for these products, as they require specific storage and distribution requirements. In addition, the development of organic food production and demand for these products indicates that this market segment is not negligible. Hence, there is a need to analyze the degree of customer satisfaction with organic foods with existing distribution channels. Are there adequate channels for the distribution of organic food? How much trust do consumers have in distribution channels and whether the level of trust in distribution channels can affect consumers’ buying decisions? These are just some questions that come up. In this regard, the subject of research will be the existing distribution network of organic products in the Republic of Serbia, as well as the degree of satisfaction and trust of consumers in distribution channels, in order to define guidelines and recommendations for the redesign of the organic food distribution network. In order to answer those questions, empirical research was conducted on the territory of the Republic of Serbia, and for the purposes of statistical analysis was used following statistical methods: ANOVA, MANOVA, cluster analysis, and descriptive statistics.
塞尔维亚共和国有机生产的持续增长提出了这些产品存在足够的分销渠道的问题,因为它们需要特定的存储和分销要求。此外,有机食品生产的发展和对这些产品的需求表明,这一细分市场不容忽视。因此,有必要对现有分销渠道的有机食品的顾客满意度进行分析。有机食品是否有足够的分销渠道?消费者对分销渠道的信任程度如何?对分销渠道的信任程度是否会影响消费者的购买决策?这些只是我想到的一些问题。在这方面,研究的主题将是塞尔维亚共和国现有的有机产品分销网络,以及消费者对分销渠道的满意程度和信任程度,以便为重新设计有机食品分销网络制定指导方针和建议。为了回答这些问题,在塞尔维亚共和国境内进行了实证研究,为了进行统计分析,使用了以下统计方法:方差分析、方差分析、聚类分析和描述性统计。
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引用次数: 0
The Impact of Bilateral Investment Agreements on Attracting Foreign Direct Investments 双边投资协定对吸引外国直接投资的影响
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0008
Ružica Petrović, Dragana Radenković Jocić, Tamara Milenković Kerković
Abstract Foreign investors' fear of expropriation led to the emergence of the idea of new ways of protection and adequate treatment of foreign investments on the international level. Primarily, the home countries wanted to protect their interests and became the main proponents of the creation of bilateral investment agreements. Developing countries that aspire to become and remain part of international economic flows, had to provide additional protection to investors, as investment host countries. They saw bilateral investment agreements as an opportunity to attract foreign direct investment. They provide a certain standard in the treatment and protection of investments and thus influence the creation of an environment that favors the transfer of capital from one country to another. In modern economic conditions, there are almost no entities that are absolutely risk-averse. For this reason, bilateral investment agreements are counted on to play one of the key roles in minimizing the risks of investing in developing countries.
外国投资者对征用的恐惧导致了在国际层面上保护和适当对待外国投资的新方式的想法的出现。首先,母国希望保护自己的利益,并成为建立双边投资协定的主要支持者。希望成为并继续成为国际经济流动一部分的发展中国家必须作为投资东道国向投资者提供额外的保护。他们将双边投资协定视为吸引外国直接投资的机会。它们在对待和保护投资方面提供了某种标准,从而影响创造有利于资本从一个国家向另一个国家转移的环境。在现代经济条件下,几乎不存在绝对规避风险的实体。因此,双边投资协定在尽量减少在发展中国家投资的风险方面起着关键作用。
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引用次数: 0
On the Determinants of the Bank Efficiency in the Republic of Serbia: Two-Stage Dea Approach 塞尔维亚共和国银行效率的决定因素:两阶段Dea方法
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0011
Ivana Marjanović, Jelena J. Stanković, Georgios Tsaples
Abstract The important role of the banking sector in the economic development of the country imposes the need for continuous measurement and monitoring of bank efficiency. Besides, identifying industry-specific and macroeconomic factors that affect the achieved efficiency is an important task in order to detect potential disruptions, as well as to provide adequate guidelines to improve the efficiency. Therefore, the main goal of this paper is to quantify the achieved efficiency and uncover its determinants. The study is conducted in two stages. In the first stage, using the DEA method, the efficiency of banks for the period from 2005 to 2022 will be assessed, while in the second stage, the factors of efficiency will be determined by applying Tobit regression. The results indicate that when it comes to industry-specific factors, greater market concentration unfavourably affects the efficiency of banks. Regarding the macroeconomic factors, the growth of gross domestic product, inflation rate and global financial crisis have a significant influence on the achieved level of bank efficiency in the Republic of Serbia. In addition to expanding the existing knowledge on quantification of efficiency and defining the determinants of efficiency on the example of banks in the Republic of Serbia, the results in this paper also hold relevance to policymakers and practitioners.
银行业在国家经济发展中的重要作用要求对银行效率进行持续的测量和监测。此外,确定影响实现效率的行业特定因素和宏观经济因素是一项重要任务,以便发现潜在的中断,并提供适当的指导以提高效率。因此,本文的主要目标是量化所取得的效率和揭示其决定因素。研究分两个阶段进行。第一阶段采用DEA方法对2005 - 2022年银行效率进行评估,第二阶段采用Tobit回归确定影响银行效率的因素。结果表明,就行业因素而言,市场集中度越高,对银行效率的影响越不利。关于宏观经济因素,国内生产总值的增长、通货膨胀率和全球金融危机对塞尔维亚共和国银行效率的实现水平产生了重大影响。除了扩展关于效率量化的现有知识,并以塞尔维亚共和国的银行为例定义效率的决定因素外,本文的结果也与政策制定者和从业者相关。
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引用次数: 0
Impact of Income and Assets Diversification on Bank Performance in Serbia 收入和资产多样化对塞尔维亚银行业绩的影响
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0010
Jelena Radojičić, Srđan Marinković
Abstract The paper explores the relationship between the diversification of bank activities and a set of bank performance indicators by running multiple regression on panel data set of 22 operating banks in Serbia in the time period spanning the last 15 reporting years. We have found a positive influence of the degree of diversification, measured both by income composition and earning assets composition indicators, on the levels and stability of the banks’ return on equity. For ROA-related performance measures the relationship is not conclusive. We have also tested whether the presence of COVID-19 crisis challenged the observed regularity and confirmed that it has had tendency to reverse the long-term relationship.
摘要本文通过对塞尔维亚22家经营银行在过去15个报告年期间的面板数据集进行多元回归,探讨了银行活动多样化与一组银行绩效指标之间的关系。我们发现,通过收入构成和盈利资产构成指标衡量的多元化程度对银行股本回报率的水平和稳定性具有积极影响。对于与总资产回报率相关的绩效衡量,这种关系并不是决定性的。我们还测试了COVID-19危机的存在是否挑战了观察到的规律性,并证实它有扭转长期关系的趋势。
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引用次数: 0
The Relationship Between Internal Factors and Employees' Perception of an Organization's Green Performance 内部因素与员工对组织绿色绩效感知的关系
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0013
Vesna Milanović, Ana Jurčić, Andrea Bučalina Matić
Abstract This paper examines the relationship between internal factors of an organization and employees' perception of organization's green performance – EPGP. An organization's green performance is greatly influenced by its internal efforts toward the implementation of green practices (such as internal green marketing – IGM and its dimensions), and it can be greatly influenced by employees' attitudes and behavior as well (such as organizational identification – OI, employees' satisfaction – ES, employees' eco-friendly behavior – EFB). Therefore, it was considered justified to examine whether each IGM dimension is related to EPGP, and whether each observed employees' attitude and behavior is related to EPGP. Hypotheses were tested on a sample of 177 respondents – employees working in different, mostly service organizations in Serbia, using the regression and correlation analysis. The obtained results revealed that each observed variable is positively related to EPGP. However, in predicting EPGP the contribution of green internal communication – GIC (as the IGM dimension), OI and EFB is statistically significant. The findings provide insight into the relationship between each observed variable and EPGP, and it may be useful for managers in the environmental management process.
摘要本文考察了组织内部因素与员工对组织绿色绩效感知的关系。组织的绿色绩效在很大程度上受到其内部实施绿色实践的努力(如内部绿色营销- IGM及其维度)的影响,也可以受到员工态度和行为(如组织认同- OI,员工满意度- ES,员工环保行为- EFB)的很大影响。因此,我们有理由研究IGM的各个维度是否与EPGP相关,以及每个被观察员工的态度和行为是否与EPGP相关。使用回归和相关分析对177名受访者进行了假设测试,这些受访者在塞尔维亚不同的服务机构工作,主要是服务机构。结果表明,各观察变量均与EPGP呈正相关。然而,在预测EPGP时,绿色内部沟通- GIC(作为IGM维度),OI和EFB的贡献具有统计学意义。研究结果提供了每个观察到的变量和EPGP之间的关系的洞察力,它可能对环境管理过程中的管理者有用。
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引用次数: 0
China - Africa Trade and Investment Relations Under the Belt and Road Initiative “一带一路”倡议下的中非贸易投资关系
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0009
Sanela Mrdaković, Miloš Todorović
Abstract China’s investment activities and infrastructure development in Africa under the Belt and Road Initiative (“BRI”) have changed the prospects of economic cooperation between African countries and Asia’s largest economy. Africa plays a prominent role in one of the key BRI corridors, which explains China’s active engagement on the continent through the construction of hard infrastructure, port development and trade and investment activities. China is Africa’s largest bilateral trading partner and foreign direct investor. This paper analyses China’s investments and trade flows with Africa, the importance of African countries for the BRI and China-Africa relations within the geopolitical triangle US-EU-Russia. We applied correlation analysis to assess the intensity of the relationship between FDI and trade and an autoregressive model to extrapolate import and export data for a given period with the aim of forecasting trends in the development of China - Africa economic relations. Empirical results indicate a strong correlation between China’s FDI to African countries and their trade flows. The autoregressive model estimates a substantial increase in their trade flows, which, along with China’s infrastructural development in Africa, suggests a change in the dynamics of their trade cooperation and in the geographical structure of African countries’ foreign trade.
中国在“一带一路”倡议下在非洲的投资活动和基础设施建设已经改变了非洲国家与亚洲最大经济体之间经济合作的前景。非洲在“一带一路”关键走廊之一中发挥着突出作用,这解释了中国通过硬基础设施建设、港口开发以及贸易和投资活动积极参与非洲大陆的原因。中国是非洲最大的双边贸易伙伴和外国直接投资者。本文分析了中国对非洲的投资和贸易流动、非洲国家对“一带一路”倡议的重要性以及美国-欧盟-俄罗斯地缘政治三角中的中非关系。为了预测中非经济关系的发展趋势,我们采用相关分析来评估FDI与贸易之间的关系强度,并采用自回归模型来推断特定时期的进出口数据。实证结果表明,中国对非洲国家的FDI与其贸易流量之间存在很强的相关性。自回归模型估计,两国的贸易流量大幅增加,再加上中国在非洲的基础设施发展,表明两国贸易合作的动态和非洲国家对外贸易的地理结构发生了变化。
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引用次数: 0
Are All Text News Just a Noise for Investors? Impact of Online Texts on Bitcoin Returns 所有的短信新闻对投资者来说都只是噪音吗?在线文本对比特币回报的影响
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0007
Aleksandar Damjanović, Mikica Drenovak
Abstract The paper demonstrates the power of alternative data. Relying on the indicators obtained by mining online publicly available news articles, authors analyze their impact on Bitcoin returns. This research shows that in the first quarter of 2022 Bitcoin returns could be explained by the sentiment of information obtained from news published on online portals. However, we find negative relation between Bitcoin news sentiment and its returns. Such result can be explained as anomaly of researched period which is characterized by inception of global political crisis caused by the war in Eastern Europe and turmoil on crypto market. Our research also confirms that the news about Ethereum, Bitcoins’ investment substitute, affected Bitcoin's returns as well. On the other hand, the obtained results show that there is no relation between the lexical readability of the news (i.e., the clarity with which the text is written, measured by the fog index) and the returns on Bitcoin in the analyzed period. Collected evidences speak in favor of Bitcoin’s market inefficiency. In this paper we also demonstrate that returns forecasts based on online news are more accurate in comparison to those generated by ARMA-GARCH model, a conventional financial tool for predicting returns.
摘要本文论证了替代数据的力量。根据挖掘在线公开新闻文章获得的指标,作者分析了它们对比特币回报的影响。本研究表明,在2022年第一季度,比特币的回报可以用从门户网站发布的新闻中获得的信息情绪来解释。然而,我们发现比特币新闻情绪与其收益呈负相关。这一结果可以解释为研究时期的异常,其特征是东欧战争引起的全球政治危机的开始和加密市场的动荡。我们的研究还证实,有关比特币投资替代品以太坊的消息也影响了比特币的回报。另一方面,获得的结果表明,在分析期间,新闻的词汇可读性(即文本书写的清晰度,由雾指数衡量)与比特币回报之间没有关系。收集到的证据表明,比特币的市场效率低下。在本文中,我们还证明了基于在线新闻的回报预测比ARMA-GARCH模型(一种传统的预测回报的金融工具)产生的预测更准确。
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引用次数: 0
The Impact of Organizational Culture on Financial Performance of the Company 组织文化对公司财务绩效的影响
Pub Date : 2023-06-01 DOI: 10.2478/ethemes-2023-0012
Bojan Savić, Sreten Jelić, Vasili Vasilije Ostojić
Abstract Organizational culture as a complex phenomenon has been subjected to numerous researches in the economic science and corporate practice, among which the analysis of the influence of organizational culture on financial performance has an important place, with the basic goal of understanding the link, but also potentially developing “the optimal culture" whose adoption would contribute to achieving optimal financial effects of economic entities. The subject of research of this paper is thus the connection between organizational culture and financial performance, while the goal is to understand the relationship as well as the nature of the influence. Therefore, organizational climate and subcultures were also considered as relevant aspects of organizational culture, but also as a basis for understanding the classifications, as well as its general influences on company business. Based on the review of the most important results of a significant number of researches on this topic, it was concluded that there currently isn’t a generally accepted view on the existence of a relationship between different types of organizational cultures and financial performances. Thus this paper was designed as a review of the topic and could be used as a theoretical basis for future research or for the development of alternative approaches in the analysis of causality between the observed phenomena.
组织文化作为一种复杂的现象,在经济科学和企业实践中受到了大量的研究,其中分析组织文化对财务绩效的影响具有重要的地位,其基本目标是了解这种联系,但也有可能开发出“最优文化”,采用这种文化将有助于经济实体实现最优财务效果。因此,本文的研究主题是组织文化与财务绩效之间的联系,而目标是了解这种关系以及影响的性质。因此,组织气候和亚文化也被认为是组织文化的相关方面,也是理解分类的基础,以及它对公司业务的一般影响。基于对这一主题的大量研究的最重要结果的回顾,我们得出结论,目前还没有一个普遍接受的观点,即不同类型的组织文化与财务绩效之间存在关系。因此,本文旨在对该主题进行回顾,并可作为未来研究的理论基础,或用于开发分析观察到的现象之间因果关系的替代方法。
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引用次数: 0
Active Transport and the Journey to Work in Northern Ireland: A Longitudinal Perspective 1991-2011 北爱尔兰的主动交通和工作之旅:纵向视角1991-2011
Pub Date : 2023-03-01 DOI: 10.2478/ethemes-2023-0002
I. Shuttleworth, Claire Feehan
Abstract Policy interventions to encourage the use of healthy and sustainable modes of travel to work (such as walking and cycling) have encountered varying levels of success. In areas such as Northern Ireland, and cities such as Belfast, the car remains the dominant mode for journeys to and from work. This paper explores why this is the case by examining the individual, household, and geographical factors that govern (a) changing between one census and another to walking or cycling from other transport modes; (b) changing from walking or cycling; and continuing to walk or cycle. The analysis is undertaken using the Northern Ireland Longitudinal Study (NILS), a 28% random sample of the population. The results show that walking or cycling is associated with lower-status jobs, urban locations, with no clear association with better self-reported health. In contrast, car commuting is associated with better education, health, and higher labour market status. The analysis shows that policies to encourage the use of more sustainable and less polluting transport face formidable barriers from status perceptions, time budgets, and the geographical contexts of Northern Ireland and Belfast.
鼓励使用健康和可持续的上班方式(如步行和骑自行车)的政策干预措施取得了不同程度的成功。在北爱尔兰等地区和贝尔法斯特等城市,汽车仍然是上下班的主要方式。本文通过研究个人、家庭和地理因素来探讨为什么会出现这种情况(a)在一次人口普查和另一次人口普查之间从其他交通方式转向步行或骑自行车;(b)由步行或骑单车转为步行;继续步行或骑自行车。该分析是使用北爱尔兰纵向研究(NILS)进行的,该研究对人口进行了28%的随机抽样。结果表明,步行或骑自行车与地位较低的工作、城市地点有关,但与自我报告的健康状况较好没有明确的联系。相比之下,汽车通勤与更好的教育、健康和更高的劳动力市场地位有关。分析表明,鼓励使用更可持续、污染更少的交通工具的政策面临着来自地位观念、时间预算以及北爱尔兰和贝尔法斯特地理环境的巨大障碍。
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引用次数: 0
How Does Quality of Life (QOL) Affect Attractiveness of Cities and Internal Migration in Turkey? 生活质量(QOL)如何影响土耳其城市的吸引力和内部移民?
Pub Date : 2023-03-01 DOI: 10.2478/ethemes-2023-0005
İsmet Selçuk Özer, Umut Türk
Abstract The management of internal flows can bring significant benefits to a country in balancing the opportunities between regions or cities. To tackle unequal access to opportunities, the factors that induce internal migration should be understood. This study examines a set of pull and push factors for internal migration by spatial econometric analysis and GIS applications. We find that when the accessibility of amenities increases, the city becomes more attractive and preferable for migrants. In addition, socioeconomic factors also play a significant role in the decision-making process of migrants. In this study, we used a panel dataset that includes socioeconomic and contextual data such as distances to the amenities for each Turkish city in the years between 2012 and 2021. The results show that, in Turkey, internal migration flows from the East to the West, where opportunities are better. Finally, the human capital level of migrants can cause a variety of thoughts about factors, and it can change the order of significance of the variables for people who have a different level of human capital such as education level. Based on the findings, the paper offers several policies suggestions for ensuring a balanced migration in Turkey.
内部流动的管理可以给一个国家带来巨大的利益,平衡地区或城市之间的机会。为了解决获得机会不平等的问题,应了解导致国内移徙的因素。本研究运用空间计量分析和地理信息系统(GIS)的应用,探讨了国内人口迁移的一组拉动和推动因素。我们发现,当便利设施的可及性增加时,城市变得更有吸引力,更适合移民。此外,社会经济因素在移民的决策过程中也发挥着重要作用。在这项研究中,我们使用了一个面板数据集,其中包括2012年至2021年期间每个土耳其城市的社会经济和背景数据,如到便利设施的距离。结果表明,在土耳其,国内移民从东部流向西部,那里的机会更好。最后,流动人口的人力资本水平可以引起各种因素的思考,它可以改变具有不同人力资本水平(如教育水平)的人的变量的显著性顺序。基于研究结果,本文提出了确保土耳其移民平衡的若干政策建议。
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引用次数: 0
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Economic Themes
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