Ademir Abdić, Emina Resić, Ademir Abdić, A. Rovčanin
Abstract The paper explores the possibilities of creating an econometric model for making short-term forecasts of the Gross Domestic Product of Bosnia and Herzegovina (GDP of B&H). Its aim is to determine the most representative and most efficient model for forecasting the quarterly GDP of B&H. This is the first paper that simultaneously compares ARIMA models, bridge models and factor models in three different time periods. All variables are available for the period of 2006q1-2016q4. The final choice of the model for forecasting the quarterly GDP of B&H was selected on the basis of a comparative analysis of the predictive efficiency of the analysed models. Based on the obtained results, the most efficient model for forecasting quarterly GDP of B&H is the bridge model, which includes four variables as regressor: Retail sale of other goods, Total loans, Manufacturing and Manufacture of food products.
{"title":"Nowcasting GDP of Bosnia and Herzegovina: A Comparison of Forecast Accuracy Models","authors":"Ademir Abdić, Emina Resić, Ademir Abdić, A. Rovčanin","doi":"10.2478/jeb-2020-0011","DOIUrl":"https://doi.org/10.2478/jeb-2020-0011","url":null,"abstract":"Abstract The paper explores the possibilities of creating an econometric model for making short-term forecasts of the Gross Domestic Product of Bosnia and Herzegovina (GDP of B&H). Its aim is to determine the most representative and most efficient model for forecasting the quarterly GDP of B&H. This is the first paper that simultaneously compares ARIMA models, bridge models and factor models in three different time periods. All variables are available for the period of 2006q1-2016q4. The final choice of the model for forecasting the quarterly GDP of B&H was selected on the basis of a comparative analysis of the predictive efficiency of the analysed models. Based on the obtained results, the most efficient model for forecasting quarterly GDP of B&H is the bridge model, which includes four variables as regressor: Retail sale of other goods, Total loans, Manufacturing and Manufacture of food products.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44538259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Parisa Gharibi Khoshkar, Panteha Farmanesh, Gabriel E. Nweke
Abstract The present study addressed the issue of whether occupational Burnout Syndrome (BS) is associated with Romantic Relationship Dissatisfaction (RRS) among academics; it was also expected that Workplace Bullying (WPB) moderates the relationship between these variables. A cross-sectional study was conducted by delivering the questionnaire surveys to the recruited sample group of 320 university lecturers from three different universities in Northern Cyprus to test the research hypothesis. Moderated multiple regression analysis was used to analyze the data. As it was hypothesized, our results indicated a negative association between burnout syndrome and romantic relationship satisfaction; indicating higher levels of burnout might lead to lower romantic relationship satisfaction. However, the proportion of romantic relationship satisfaction total score varied slightly when workplace bullying moderated this relationship. Our findings contribute to different scientific aspects by its valuable implications for researchers, practitioners, academicians, managers, and various organization staffs’ self-awareness.
{"title":"Assessing the Impact of Burnout Syndrome on Romantic Relationship Satisfaction: The Dark Side of Workplace Bullying","authors":"Parisa Gharibi Khoshkar, Panteha Farmanesh, Gabriel E. Nweke","doi":"10.2478/jeb-2020-0004","DOIUrl":"https://doi.org/10.2478/jeb-2020-0004","url":null,"abstract":"Abstract The present study addressed the issue of whether occupational Burnout Syndrome (BS) is associated with Romantic Relationship Dissatisfaction (RRS) among academics; it was also expected that Workplace Bullying (WPB) moderates the relationship between these variables. A cross-sectional study was conducted by delivering the questionnaire surveys to the recruited sample group of 320 university lecturers from three different universities in Northern Cyprus to test the research hypothesis. Moderated multiple regression analysis was used to analyze the data. As it was hypothesized, our results indicated a negative association between burnout syndrome and romantic relationship satisfaction; indicating higher levels of burnout might lead to lower romantic relationship satisfaction. However, the proportion of romantic relationship satisfaction total score varied slightly when workplace bullying moderated this relationship. Our findings contribute to different scientific aspects by its valuable implications for researchers, practitioners, academicians, managers, and various organization staffs’ self-awareness.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48852746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract In this paper, we consider the impact of patents and R&D cooperation on R&D investments in the oligopolistic industry with differentiated products. Four types of firms’ conduct are investigated: R&D competition without patents, R&D competition with patent protection, R&D cooperation, and the full industry cooperation. The obtained results suggest that patents do not necessarily promote R&D investments due to the existence of so called tournament effects. R&D cooperation stimulates R&D investments, but R&D cooperation provides sufficient incentives to create a full industry cartel. Such a cartel works to the detriment of consumers. Our analysis led us to the conclusion that for a relatively low level of R&D spillovers, the policy-makers should promote R&D competition without patent protection among oligopolistic firms. For a relatively high level of R&D spillovers, R&D cooperation enhances innovation, but the regulator should monitor the market for probable collusion.
{"title":"The Impact of Patents and R&D Cooperation on R&D Investments in a Differentiated Goods Industry","authors":"A. Karbowski, J. Prokop","doi":"10.2478/jeb-2020-0010","DOIUrl":"https://doi.org/10.2478/jeb-2020-0010","url":null,"abstract":"Abstract In this paper, we consider the impact of patents and R&D cooperation on R&D investments in the oligopolistic industry with differentiated products. Four types of firms’ conduct are investigated: R&D competition without patents, R&D competition with patent protection, R&D cooperation, and the full industry cooperation. The obtained results suggest that patents do not necessarily promote R&D investments due to the existence of so called tournament effects. R&D cooperation stimulates R&D investments, but R&D cooperation provides sufficient incentives to create a full industry cartel. Such a cartel works to the detriment of consumers. Our analysis led us to the conclusion that for a relatively low level of R&D spillovers, the policy-makers should promote R&D competition without patent protection among oligopolistic firms. For a relatively high level of R&D spillovers, R&D cooperation enhances innovation, but the regulator should monitor the market for probable collusion.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47208777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract The coronavirus pandemic has led to a loss of revenues for enterprises and workers due to workplace closures and restrictions on movement to ‘flatten the curve’. In response, governments have made available temporary financial support to enterprises and workers affected. This paper evaluates a group currently excluded from this support, namely enterprises and workers in the undeclared economy, and a possible government policy response. To identify those involved, a 2019 Eurobarometer survey of undeclared work in Europe is reported. This reveals that one in every 132 European citizens relies wholly on undeclared earnings and the sectors and population groups involved. Given their reduced revenues and inability to access the temporary financial support, a voluntary disclosure initiative is recommended which brings undeclared enterprises and workers into the declared economy and onto the radar of state authorities by offering access to this temporary financial support if they disclose their previous undeclared work.
{"title":"The Coronavirus Pandemic and Europe’s Undeclared Economy: Impacts and a Policy Proposal","authors":"C. Williams, A. Kayaoglu","doi":"10.2478/jeb-2020-0007","DOIUrl":"https://doi.org/10.2478/jeb-2020-0007","url":null,"abstract":"Abstract The coronavirus pandemic has led to a loss of revenues for enterprises and workers due to workplace closures and restrictions on movement to ‘flatten the curve’. In response, governments have made available temporary financial support to enterprises and workers affected. This paper evaluates a group currently excluded from this support, namely enterprises and workers in the undeclared economy, and a possible government policy response. To identify those involved, a 2019 Eurobarometer survey of undeclared work in Europe is reported. This reveals that one in every 132 European citizens relies wholly on undeclared earnings and the sectors and population groups involved. Given their reduced revenues and inability to access the temporary financial support, a voluntary disclosure initiative is recommended which brings undeclared enterprises and workers into the declared economy and onto the radar of state authorities by offering access to this temporary financial support if they disclose their previous undeclared work.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44460162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract This study aims to examine the potential causal relationship between the VIX and the indicator stock exchange index returns of G20 (9 developed and 10 developing) countries. Nineteen countries of the sample are G20 countries with available data. In this respect, the frequency domain Granger causality test of Breitung and Candelon (2006) is employed for the daily data between March 2011 and December 2017. The results obtained from the study indicate that there is no causal relationship between the VIX and the returns of the NASDAQ 100 index in developed countries. Similarly, no causal relationship is detected which runs from the VIX to the BIST100, BOVESPA, MERVAL, S&P/BMV IPC and TADAWUL stock index returns in developing countries. As a result, the causal relationship is more tend to be found in developed countries in comparison to developing countries.
摘要本研究旨在检验20国集团(9个发达国家和10个发展中国家)的VIX指数与指标股票交易所指数收益率之间的潜在因果关系。样本中有19个国家是有数据的G20国家。为此，对2011年3月至2017年12月的每日数据采用Breitung and Candelon(2006)的频域格兰杰因果检验。研究结果表明，在发达国家，VIX与纳斯达克100指数的收益率之间不存在因果关系。同样，在发展中国家，没有发现波动率指数与bst100、BOVESPA、MERVAL、S&P/BMV IPC和TADAWUL股票指数回报之间存在因果关系。因此，与发展中国家相比，这种因果关系更倾向于在发达国家发现。
{"title":"Comparison of the Effect of Vix Fear Index on Stock Exchange Indices of Developed and Developing Countries: the G20 Case","authors":"Ö. İskenderoğlu, Saffet Akdağ","doi":"10.2478/jeb-2020-0009","DOIUrl":"https://doi.org/10.2478/jeb-2020-0009","url":null,"abstract":"Abstract This study aims to examine the potential causal relationship between the VIX and the indicator stock exchange index returns of G20 (9 developed and 10 developing) countries. Nineteen countries of the sample are G20 countries with available data. In this respect, the frequency domain Granger causality test of Breitung and Candelon (2006) is employed for the daily data between March 2011 and December 2017. The results obtained from the study indicate that there is no causal relationship between the VIX and the returns of the NASDAQ 100 index in developed countries. Similarly, no causal relationship is detected which runs from the VIX to the BIST100, BOVESPA, MERVAL, S&P/BMV IPC and TADAWUL stock index returns in developing countries. As a result, the causal relationship is more tend to be found in developed countries in comparison to developing countries.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42021248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract The purpose of this paper is to investigate the impact of different forms of innovation on firm growth, in terms of sales. A total of 278 samples were collected from SMEs in the manufacturing, service and trade industries throughout Kosovo. The data were analysed using a logistic regression analysis. The findings confirm the hypotheses that marketing innovation is positively associated with firm growth, while new to the firm products is negatively associated with firm growth. Other innovation attributes have resulted with non-significance value. The findings in this study can be useful for theoretical discussion, as well as for policy formulation related to introduction of innovation and SMEs development considering that innovation is critical factor in today’s market and competition. Further studies should look into how SMEs could investigate over time from the initial stage to the full development of innovation.
{"title":"Innovation Types and Sales Growth in Small Firms: Evidence from Kosovo","authors":"L. Mahmutaj, B. Krasniqi","doi":"10.2478/jeb-2020-0003","DOIUrl":"https://doi.org/10.2478/jeb-2020-0003","url":null,"abstract":"Abstract The purpose of this paper is to investigate the impact of different forms of innovation on firm growth, in terms of sales. A total of 278 samples were collected from SMEs in the manufacturing, service and trade industries throughout Kosovo. The data were analysed using a logistic regression analysis. The findings confirm the hypotheses that marketing innovation is positively associated with firm growth, while new to the firm products is negatively associated with firm growth. Other innovation attributes have resulted with non-significance value. The findings in this study can be useful for theoretical discussion, as well as for policy formulation related to introduction of innovation and SMEs development considering that innovation is critical factor in today’s market and competition. Further studies should look into how SMEs could investigate over time from the initial stage to the full development of innovation.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41553368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract This study uses a UN dataset of foreign-born residents in and from 154 different countries, available every fifth year since 1990, to estimate an augmented gravity model for Eastern Europe and the world. Migration responds to higher incomes in the host country, though the effect diminishes with income. Unlike the rest of the world, East European migration increases with the exchange rate in the host and higher incomes in the origin, but not with political autocracy or conflict in the origin country. Controlling for these differences, Eastern Europe has fewer immigrants and emigrants than the model would otherwise predict.
{"title":"Migration Patterns in Eastern Europe and the World: A Gravity Approach","authors":"E. Parker","doi":"10.2478/jeb-2020-0006","DOIUrl":"https://doi.org/10.2478/jeb-2020-0006","url":null,"abstract":"Abstract This study uses a UN dataset of foreign-born residents in and from 154 different countries, available every fifth year since 1990, to estimate an augmented gravity model for Eastern Europe and the world. Migration responds to higher incomes in the host country, though the effect diminishes with income. Unlike the rest of the world, East European migration increases with the exchange rate in the host and higher incomes in the origin, but not with political autocracy or conflict in the origin country. Controlling for these differences, Eastern Europe has fewer immigrants and emigrants than the model would otherwise predict.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46746025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract The central theme in this article is Consumer Social Responsibility (CnSR) in the context of sustainable water consumption at home. In this paper, a conceptual SEM model will be tested based on the Theory of Planned Behaviour. This model focuses on the role of trust mediated by CnSR attitude, in influencing water conservation behaviour. Using a sample of 493 respondents, SEM analysis results show that trust in water companies and general trust disposition have significant effect on CnSR attitude. Attitude is approached via environmental, economic and social angle, covering three (triple) mentioned domains of sustainability each with an associated minimum (bottom) required level (line) also known as the Triple Bottom Line (TBL).
{"title":"Role of Trust in Adopting Consumer Social Responsible Behaviour in the Context of Water Use in Domestic Households","authors":"C. G. Caspers","doi":"10.2478/jeb-2020-0001","DOIUrl":"https://doi.org/10.2478/jeb-2020-0001","url":null,"abstract":"Abstract The central theme in this article is Consumer Social Responsibility (CnSR) in the context of sustainable water consumption at home. In this paper, a conceptual SEM model will be tested based on the Theory of Planned Behaviour. This model focuses on the role of trust mediated by CnSR attitude, in influencing water conservation behaviour. Using a sample of 493 respondents, SEM analysis results show that trust in water companies and general trust disposition have significant effect on CnSR attitude. Attitude is approached via environmental, economic and social angle, covering three (triple) mentioned domains of sustainability each with an associated minimum (bottom) required level (line) also known as the Triple Bottom Line (TBL).","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41638407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract Regional development is firmly rooted in the theory of land management, and today’s considerations and analyses in this area are gaining special importance. The relationship between specific conditions and the observed effects of regional development was considered under various theoretical concepts. Additionally, the interdependence of processes taking place on the international, national and regional level renders it necessary to pursue, inter alia, an effective regional policy. In this study, particular attention was given to the premises and objectives of intentional actions taken both at supra-regional level (inter-regional policy) and regional level (intra-regional policy). The theoretical considerations concerning the regional policy carried out were supplemented with current statistics regarding the development of regions in Poland. The aim of the study is to show the role of regional policy in shaping regional development and to analyse its current state on the basis of own research using multidimensional comparative analysis (MCA) methods. The considerations presented in the article lead to the conclusion that regional policy is an important factor in regional development, and the presented research results allow to assess the current level and diversity of this development in Poland.
{"title":"Regional Policy as a Factor in Shaping Regional Development in Poland","authors":"Maciej Czaplewski, R. Klóska","doi":"10.2478/jeb-2020-0008","DOIUrl":"https://doi.org/10.2478/jeb-2020-0008","url":null,"abstract":"Abstract Regional development is firmly rooted in the theory of land management, and today’s considerations and analyses in this area are gaining special importance. The relationship between specific conditions and the observed effects of regional development was considered under various theoretical concepts. Additionally, the interdependence of processes taking place on the international, national and regional level renders it necessary to pursue, inter alia, an effective regional policy. In this study, particular attention was given to the premises and objectives of intentional actions taken both at supra-regional level (inter-regional policy) and regional level (intra-regional policy). The theoretical considerations concerning the regional policy carried out were supplemented with current statistics regarding the development of regions in Poland. The aim of the study is to show the role of regional policy in shaping regional development and to analyse its current state on the basis of own research using multidimensional comparative analysis (MCA) methods. The considerations presented in the article lead to the conclusion that regional policy is an important factor in regional development, and the presented research results allow to assess the current level and diversity of this development in Poland.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49330186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Panteha Farmanesh, A. Vehbi, Pouya Zargar, Arman Sousan, Feyza Bhatti
Abstract Performance of employees has been a vital matter for all organizations regardless of their sector. As organizations become more diverse, maintaining high performance becomes a challenge. This study examines the relationship between workforce diversity and organizational performance in educational sector of Cyprus through moderating effect of diversity fatigue. Mixed Method is used for the purposes of this study to analyze data from university academic staff, through survey and senior-level interviews (semi-structured). Qualitative measures were used to develop dimensions for diversity fatigue, which further were tested through quantitative approach. Results imply that extent of diversity fatigue can suppress the relationship between overall performance and workforce diversity, which is positive and significant prior to interaction of fatigue. Furthermore, our study expands the literature regarding the topic within educational sector. Managers can have an enhanced decision-making process regarding diverse workforce and degree of fatigue, which yields in a higher performance level for the firm.
{"title":"Is there Always a Positive Relationship Between Workplace Diversity and Organizational Performance, or Does Diversity Fatigue Imply a Suppressing Effect?","authors":"Panteha Farmanesh, A. Vehbi, Pouya Zargar, Arman Sousan, Feyza Bhatti","doi":"10.2478/jeb-2020-0002","DOIUrl":"https://doi.org/10.2478/jeb-2020-0002","url":null,"abstract":"Abstract Performance of employees has been a vital matter for all organizations regardless of their sector. As organizations become more diverse, maintaining high performance becomes a challenge. This study examines the relationship between workforce diversity and organizational performance in educational sector of Cyprus through moderating effect of diversity fatigue. Mixed Method is used for the purposes of this study to analyze data from university academic staff, through survey and senior-level interviews (semi-structured). Qualitative measures were used to develop dimensions for diversity fatigue, which further were tested through quantitative approach. Results imply that extent of diversity fatigue can suppress the relationship between overall performance and workforce diversity, which is positive and significant prior to interaction of fatigue. Furthermore, our study expands the literature regarding the topic within educational sector. Managers can have an enhanced decision-making process regarding diverse workforce and degree of fatigue, which yields in a higher performance level for the firm.","PeriodicalId":43828,"journal":{"name":"South East European Journal of Economics and Business","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46092817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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