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Structural decomposition analysis applied to the energy use in Poland 结构分解分析在波兰能源使用中的应用
Pub Date : 2018-06-30 DOI: 10.25167/EES.2018.46.24
Paul Stachura
To understand historical changes in energy performance of economy or specific sector, it is useful to evaluate the driving forces underlying these changes. Structural decomposition analysis allows identifying the impact of the external factors, such as technological, demand, and demographic effects on the fluctuations of the total energy use, CO2 emissions, and other socio-economic indicators. This study applies methods of structural decomposition analysis to determine relative prominence of diverse sources of changes in the energy use in the Polish economy and its main sectors between 2000-2015. The author presents the methodology of decomposition into different explanatory factors, among which energy savings based on top-down indicators, which allows showing additionally what the role of energy efficiency improvements is at the level of the different sub-sectors and end-uses. The analysis is extended into comparison to European statistics in the context of implementation and monitoring of the UE indicative energy targets.
要了解经济或特定部门能源绩效的历史变化,评估这些变化背后的驱动力是有用的。结构分解分析可以确定外部因素的影响,例如技术、需求和人口对能源使用总量、二氧化碳排放和其他社会经济指标波动的影响。本研究采用结构分解分析的方法来确定2000-2015年间波兰经济及其主要部门能源使用变化的不同来源的相对突出性。作者提出了分解成不同解释因素的方法,其中基于自上而下指标的节能,这可以额外显示能效改进在不同子部门和最终用途水平上的作用。分析扩展到在实施和监测欧盟指示性能源目标的背景下与欧洲统计数据进行比较。
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引用次数: 1
The impact of regional specialization on wages of women and men in ICT sector in Poland in 2012-2016 2012-2016年波兰ICT行业区域专业化对男女工资的影响
Pub Date : 2018-06-30 DOI: 10.25167/EES.2018.46.7
Agata Gomółka
The aim of the presented study is to demonstrate the impact of regional specialization on total remuneration, disaggregated by gender in the ICT sector in Poland in 2012-2016. The first part of the article presents the general characteristics of the Polish ICT industry and shows (using the location quotient) regions in Poland that could be treated as areas of high concentration of specialization in this field; in the second part, the wages of men and women in the ICT sector are compared for the years 2012-2016; the third part presents the results of a statistical analysis of the impact of regional specialization on wages disaggregated by gender. The study ends with a summary and conclusions. The estimation of the parameters of the equations used in the analysis shows that the values of the location quotient (as a measure of regional specialization) largely explains the variation in total wages and the gender distribution with the following relationships the greater the regional specialization, the higher the average wage and vice versa. However, the location quotient values do not explain the differentiation of the gender pay gap and it is not possible, on the basis of the analysed data, to claim any dependencies between regional specialization and the gender pay gap existing in a given voivodeship.
本研究的目的是展示2012-2016年波兰ICT行业按性别分类的区域专业化对总薪酬的影响。文章的第一部分介绍了波兰ICT行业的一般特征,并显示(使用位置商)波兰地区可以被视为该领域专业化高度集中的地区;第二部分是2012-2016年ICT行业男女工资的比较;第三部分提出了区域专业化对按性别分类的工资影响的统计分析结果。本研究以总结和结论结束。对分析中所用方程参数的估计表明,区位商(作为衡量区域专业化程度的指标)的值在很大程度上解释了总工资和性别分布的变化,其关系如下:区域专业化程度越高,平均工资越高,反之亦然。但是,地点商值并不能解释性别工资差距的差别,根据分析的数据,也不可能声称某一省存在的区域专业化和性别工资差距之间存在任何依赖关系。
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引用次数: 0
Volatility and co-movements of the equity markets in Central Europe – evidence from Poland and Hungary 中欧股市的波动与联动——来自波兰和匈牙利的证据
Pub Date : 2018-06-30 DOI: 10.25167/EES.2018.46.2
A. Chmielewska
This article aims at verifying if there has been a structural change in the co-movement pattern of selected Central and Eastern Europe (CEE) over the ten-year period following the financial crisis. The empirical results confirmed that such a change was observed both in the correlation and volatility levels for specific market segments, as well as in the market dynamics. These findings provide a new insight into understanding the shock resilience, which consequently can supplement a wider assessment of the systemic risk in the financial markets. The key results point towards a decreased uncertainty in estimated correlation levels during the post-crisis period. Such findings are consistent with the hypothesis that intermarket linkages are currently better reflected in market prices when compared to the pre-crisis period. While this is clearly a positive signal for future system stability, it also evidences that the widely used GARCH and DCC specifications turn to be relatively narrow and therefore greater caution is highly recommended when interpreting estimation results.
本文旨在验证在金融危机后的十年期间,选定的中欧和东欧(CEE)的联合运动模式是否发生了结构性变化。实证结果证实,在特定细分市场的相关性和波动性水平以及市场动态中都观察到这种变化。这些发现为理解冲击弹性提供了新的视角,从而可以补充对金融市场系统性风险的更广泛评估。关键结果表明,在危机后时期,估计相关水平的不确定性有所降低。这些发现与一种假设相一致,即与危机前时期相比,市场间联系目前更好地反映在市场价格上。虽然这显然是未来系统稳定性的积极信号,但它也证明了广泛使用的GARCH和DCC规范变得相对狭窄,因此强烈建议在解释估计结果时更加谨慎。
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引用次数: 1
Microfinance institutions in Poland – towards preventing social and financial exclusion 波兰的小额信贷机构——防止社会和金融排斥
Pub Date : 2018-06-30 DOI: 10.25167/EES.2018.46.4
J. Filá
The idea of microfinance is well known now around the world. It can develop both in poor countries and in highly developed ones. Microfinance aims to reach two basic goals: to stimulate the borrowers in order to trigger activities that would generate income and to reach social objectives which would make social integration possible and thus enable individuals to integrate financially. The microfinance market in Europe differs from those in poorer countries as regards the level and range of support, the form of microcredit and other microfinance products. It also faces certain challenges. The market of financial services comprises various entities which offer a wide range of products to customers. The objective of microfinance institutions is to provide financial services, such as microcredit/microloan to the persons who face difficulties entering the job market or are socially and financially excluded. Having access to finance is an important determinant for the development of enterprises. The aim of this paper is to explore the issue of social and financial exclusion in the context of microfinance institutions in Poland. Social and financial exclusion regards poorer individuals and micro enterprises that do not have easy access to mainstream banking sector. Microfinance is supposed to bridge this financial gap. The paper discusses the opportunities and challenges that are faced by the microfinance sector in Poland.
小额信贷的概念现在在全世界都是众所周知的。它既可以在穷国发展,也可以在高度发达国家发展。小额信贷的目的是达到两个基本目标:刺激借贷者,以便引发产生收入的活动;实现社会目标,使社会一体化成为可能,从而使个人能够在财务上一体化。欧洲的小额信贷市场在支持的水平和范围、小额信贷的形式和其他小额信贷产品方面不同于较贫穷国家的市场。它也面临着一些挑战。金融服务市场由各种实体组成,这些实体向客户提供各种各样的产品。小额供资机构的目标是向进入就业市场有困难或在社会和经济上被排斥的人提供小额信贷/小额贷款等金融服务。能否获得融资是企业发展的重要决定因素。本文的目的是探讨波兰小额信贷机构背景下的社会和金融排斥问题。社会和金融排斥是指不容易进入主流银行部门的较贫穷个人和微型企业。小额信贷本应弥补这一财政缺口。本文讨论了波兰小额信贷部门面临的机遇和挑战。
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引用次数: 3
An analysis of the accuracy of selected indicators for sustainability assessment of energy savings performance projects supporting the life cycle analysis 对支持生命周期分析的节能绩效项目可持续性评估的选定指标的准确性进行分析
Pub Date : 2018-06-30 DOI: 10.25167/EES.2018.46.12
A. Kluczek
More and more energy projects expect to improve their operating energy efficiency performance by applying a set of energy performance indicators supporting the life cycle analysis to make energy saving plans and to provide decision makers with the methods to analyse accuracy of the applied indicators. Energy savings are crucial from the environmental point of view to reduce the resources and the cost of energy conversion, distribution and use, resulting in high-energy intensities. The purpose of the paper is to analyse the accuracy of selected indicators for energy-efficient performance projects supporting the life cycle analysis. Primary, the analytical hierarchy process method is used to determine relevant indicators being representatives of the whole picture of industrial energy projects. The indicators characterize the impacts of energy-related production operations on the energy efficient performance of industrial plants or energy projects residing in the three sustainability aspects: the environment, the economy and the social capital. Then, a multiple regression is used to analyse the accuracy of selected indicators to be evaluated in energy projects. The results of the analysis are selected LCA-based energy-related indicators representing sustainability assessment of energy savings performance projects. These variables can be attributed to energy-efficient improvements for assessing the sustainability and making simple comparisons through analysing the values of particular indicators.
越来越多的能源项目希望通过应用一套支持生命周期分析的能源绩效指标来制定节能计划,并为决策者提供分析所应用指标准确性的方法,从而提高其运营能效绩效。从环境的角度来看,节约能源是至关重要的,可以减少能源转换、分配和使用的资源和成本,从而产生高能量强度。本文的目的是分析支持生命周期分析的节能绩效项目所选指标的准确性。首先,采用层次分析法确定代表工业能源项目全貌的相关指标。这些指标描述了与能源有关的生产业务对工业工厂或能源项目在环境、经济和社会资本三个可持续性方面的能源效率的影响。然后,采用多元回归分析了能源项目中所选评价指标的准确性。分析的结果是选择基于lca的能源相关指标,代表节能绩效项目的可持续性评估。这些变数可归因于评估可持续性和通过分析特定指标的值进行简单比较的节能改进。
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引用次数: 0
The Implementation of Circular Economy Concept in the Polish Coal Combustion Products Sector - Selected Problems 循环经济理念在波兰燃煤产品行业的实施——选择问题
Pub Date : 2018-03-31 DOI: 10.25167/EES.2018.45.20
J. Rosiek
The EU economy is currently losing a significant amount of potential secondary raw materials which are present in waste streams (particular numerical data are presented in the paper). In the total amount of generated waste, the share of Coal Combustion Products (CCPs) and Coal Mining Products (CMPs) is particularly high, which is generated mainly by Central and Eastern European Countries (CEECs), where we come to deal with high consumption of energy produced by coal combustion and coal mining processes. The problem concerns, in particular, the Polish economy. Consequently, the European Commission (EC) has developed a closed-loop (circular) economy concept (CEC), whose implementation should contribute to reducing CCPs negative impact on the economy, not only in the ecological, but also in social and economic aspects. Closed-loop (circular) economy keeps products, parts and materials in economic circulation, as long as possible, using as little resources as possible. This concept was presented in the document published by the European Commission: Circular Economy Package, which also includes the Communication of the Commission: Closing the Loop – An EU Action Plan for the Circular Economy (2015). Recent trends suggest that further progress in resource efficiency is possible and it can bring major economic, environmental and social benefits. Turning waste, especially CCPs, into a resource is an essential part of increasing resource efficiency and closing the loop in a circular economy. There are four key areas of CCPs use: construction, road construction, energy and road maintenance. Increasing the use of CCPs can be achieved by granting a legal status to waste products and convincing consumers and business of the following benefits of using them: decreasing production costs by substituting natural aggregate with waste aggregates (based on CCPs), reducing greenhouse gas emissions, and increasing energy efficiency. As a result,
欧盟经济目前正在失去大量潜在的二次原材料,这些原材料存在于废物流中(具体的数字数据在论文中提出)。在产生的废物总量中,煤炭燃烧产品(ccp)和煤炭开采产品(cmp)所占的份额特别高,主要来自中欧和东欧国家(ceec),我们来处理煤炭燃烧和煤炭开采过程产生的高能耗。这个问题尤其与波兰经济有关。因此,欧盟委员会(EC)开发了一个闭环(循环)经济概念(CEC),其实施应有助于减少ccp对经济的负面影响,不仅在生态方面,而且在社会和经济方面。闭环(循环)经济使产品、零部件和材料尽可能长时间地处于经济循环中,使用尽可能少的资源。这一概念在欧盟委员会发布的文件中提出:循环经济一揽子计划,其中还包括委员会的沟通:闭环-欧盟循环经济行动计划(2015年)。最近的趋势表明,在资源效率方面取得进一步进展是可能的,它可以带来重大的经济、环境和社会效益。在循环经济中,将废物,特别是ccp转化为资源是提高资源效率和闭环的重要组成部分。CCPs的使用有四个关键领域:建筑、道路建设、能源和道路维护。通过赋予废物产品法律地位,并使消费者和企业相信使用它们的以下好处,可以增加聚氯乙烯的使用:通过用(基于聚氯乙烯的)废物集料代替天然集料来降低生产成本,减少温室气体排放,提高能源效率。因此,
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引用次数: 6
Towards Sustainable Development of Territorial Units - the Case of Revitalisation Projects in Jelenia Góra Agglomeration Municipalities 区域单位的可持续发展——以耶莱尼亚的振兴项目为例Góra集聚城市
Pub Date : 2018-03-31 DOI: 10.25167/EES.2018.45.19
Andrzej Raszkowski
The article discusses the problem related to sustainable development of territorial units. The introduction covers the theoretical aspects of revitalisation and sustainable development, including the significant role of revitalisation programmes. The primary purpose of the study is to identify and analyse the categories of revitalisation projects in Jelenia Góra Agglomeration municipalities in the context of supporting and deepening sustainable development. Next part of the analysis outlines the establishment and functioning of Jelenia Góra Agglomeration. The presentation of revitalisation projects, carried out in the agglomeration municipalities, grouped by the order of sustainable development remains the core of the study. Five relevant orders were distinguished, i.e. social, economic, environmental, spatial and institutional-political ones. Within the framework of general conclusions it can be stated that the presented revitalisation projects, carried out by the local governments, exert an impact on the implementation of sustainable development principles and their substantive scope corresponds well with its spectrum.
本文对国土单元可持续发展的相关问题进行了探讨。介绍活化和可持续发展的理论方面,包括活化计划的重要作用。本研究的主要目的是在支持和深化可持续发展的背景下,确定和分析Jelenia Góra集聚城市的振兴项目类别。下一部分分析概述了Jelenia Góra集聚的建立和运作。根据可持续发展的顺序,在集聚城市开展的振兴项目的介绍仍然是研究的核心。划分出社会、经济、环境、空间和制度政治五个相关秩序。在一般性结论的框架内,可以指出,由地方政府实施的振兴项目对可持续发展原则的实施产生了影响,其实质性范围与可持续发展原则的范围相吻合。
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引用次数: 5
Securing old age vs. other saving goals of households 保障老年生活与家庭的其他储蓄目标
Pub Date : 2018-03-31 DOI: 10.25167/EES.2018.45.4
S. Białowąs, I. Olejnik
The article presents households' motivations for saving, including – in particular – saving for retirement. It defines the notion of goals with reference to a more frequently described notion of motives. On the basis of the authors’ own empirical research results, the relationship between saving for retirement and other goals of saving was found, as well as verifying and comparing the determinants of particular goals of saving. The analysis uses the methods of descriptive statistics and logistic regression.
这篇文章介绍了家庭储蓄的动机,特别是为退休储蓄。它根据更经常描述的动机概念来定义目标的概念。在实证研究结果的基础上,发现了退休储蓄与其他储蓄目标之间的关系,并验证和比较了特定储蓄目标的决定因素。分析采用描述性统计和逻辑回归的方法。
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引用次数: 0
Actions for the Greening of Power Engineering to Improve Energy Efficiency 电力工程绿色化提高能效的行动
Pub Date : 2018-03-31 DOI: 10.25167/EES.2018.45.9
T. Fijał
The greening of power engineering is a component of the ecologically sustainable development strategy being implemented in the world and also a pillar of the EU sustainable energy policy. One of the main fields of activity for the greening of power engineering are actions for improving power generating and use efficiency. Such actions are implemented to improve energy conversion efficiency in power generating processes or to reduce power consumption by end-users. The effect of these actions being carried out at an international level is to reduce fossil fuel consumption, provide energy security of states as well as preventing climate change by reducing greenhouse gas emissions. The aim of this paper is to present main directions of actions for the greening of power engineering related to energy efficiency improvement, and functional principles of the basic systems supporting these activities in Poland.
电力工程绿色化是世界各国正在实施的生态可持续发展战略的组成部分,也是欧盟可持续能源政策的支柱之一。电力工程绿色化的主要活动领域之一是提高发电和利用效率的行动。采取这些行动是为了提高发电过程中的能源转换效率或减少最终用户的电力消耗。这些行动在国际层面上的效果是减少化石燃料的消耗,提供各国的能源安全,并通过减少温室气体排放来防止气候变化。本文的目的是提出与能源效率提高有关的电力工程绿化行动的主要方向,以及支持波兰这些活动的基本系统的功能原则。
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引用次数: 0
Ergonomics Awareness and Employee Performance: An Exploratory Study 人体工程学意识与员工绩效:一项探索性研究
Pub Date : 2017-12-31 DOI: 10.25167/EES.2017.44.11
S. Olabode, Atinuke Regina Adesanya, Akeem Abayomi Bakare
The study examined the effects of ergonomics on employee performance by ascertaining the level of ergonomics awareness in Nigerian organizations, identifying the factors hindering the use of ergonomic, and the best practices and methods adopted by various organizations across industries. Despite a knowledge of importance to a growing number of researchers in Nigeria, there is still a dearth in knowledge of ergonomics design and its implementation in Nigeria. This can be observed in the low level of its adoption. The study adopted an exploratory approach through the review of literature. It was seen that several factors have hindered the efficient implementation of ergonomics in Nigeria which ranges from awareness, insufficient relevant studies, personnel considerations, resources constraints, technological changes, communication and integration disconnection between employees and equipment designers. Also, some best practices and methods adopted by various organizations across industries were identified to include, but not limited to: integration of human element into work design, ergonomics maturity levels (reactive, preventive, proactive and advanced) and quality of workspace (office design, furniture and spatial arrangements, lightings and heating arrangements, noise level). It is, however, recommended that researchers in the field of ergonomics and practitioners in the industry should intensify efforts in carrying out relevant study, organizing conferences and seminars as well as media publicity on why ergonomics should be part of our daily activities. It is also recommended that organizations should orientate and train employees on ergonomics so that they will be aware of the benefits derivable from it and be able to fit into the organization’s designs. Lastly, they should integrate employee/human element into ergonomics design process by getting detailed anthropomorphic data, which may bridge the communication disconnect between employees and ergonomic designers.
该研究通过确定尼日利亚组织的人体工程学意识水平,确定阻碍人体工程学使用的因素,以及各行业组织采用的最佳实践和方法,检查了人体工程学对员工绩效的影响。尽管对尼日利亚越来越多的研究人员具有重要的知识,但尼日利亚仍然缺乏人体工程学设计及其实施的知识。这可以从它的低采用率中观察到。本研究通过文献回顾,采用探索性研究方法。在尼日利亚,有几个因素阻碍了人体工程学的有效实施,这些因素包括认识、有关研究不足、人事考虑、资源限制、技术变革、雇员与设备设计者之间的沟通和一体化脱节。此外,我们还确定了各行业组织采用的一些最佳实践和方法,包括但不限于:将人的因素整合到工作设计中,人体工程学成熟度水平(反应性、预防性、前瞻性和高级)和工作空间质量(办公室设计、家具和空间安排、照明和供暖安排、噪音水平)。然而,建议人体工程学领域的研究人员和行业从业者应该加紧开展相关研究,组织会议和研讨会,以及媒体宣传为什么人体工程学应该成为我们日常活动的一部分。它还建议组织应该引导和培训员工学习人体工程学,这样他们就会意识到从中产生的好处,并能够适应组织的设计。最后,他们应该通过获得详细的拟人数据,将员工/人的因素融入到人体工程学设计过程中,这可能会弥合员工与人体工程学设计师之间的沟通脱节。
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引用次数: 17
期刊
Economic and Environmental Studies
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