This paper analyses risk perception and attitudes toward risk in Albanian society. It principally focuses on how age affects risk tolerance, even though also gender impact is taken into account. To particular interest is the shift in risk perception of the individuals before and after the fall of communism. The authors have embraced an exploratory research, using qualitative data from interviews. By considering two groups of participants, those older than 35 and younger than 35, the paper makes distinctions between risk attitude of both groups. In addition, the differences in responses between genders have been analyzed. The paper draws conclusions on the role of age and gender in relation to risk perception by aligning it with main conclusions of academic literature on these aspects. It further discusses the role of the social environment before and after the fall of communism and its effect on the risk tolerance profile of Albanians.
{"title":"RISK PERCEPTION AND ATTITUDES IN ALBANIA: AN EXPLORATORY STUDY","authors":"Albi Zylfo, Elona Pojani","doi":"10.22190/fueo210517019z","DOIUrl":"https://doi.org/10.22190/fueo210517019z","url":null,"abstract":"This paper analyses risk perception and attitudes toward risk in Albanian society. It principally focuses on how age affects risk tolerance, even though also gender impact is taken into account. To particular interest is the shift in risk perception of the individuals before and after the fall of communism. The authors have embraced an exploratory research, using qualitative data from interviews. By considering two groups of participants, those older than 35 and younger than 35, the paper makes distinctions between risk attitude of both groups. In addition, the differences in responses between genders have been analyzed. The paper draws conclusions on the role of age and gender in relation to risk perception by aligning it with main conclusions of academic literature on these aspects. It further discusses the role of the social environment before and after the fall of communism and its effect on the risk tolerance profile of Albanians.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84095696","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}
This study aims to investigate the impact of the Covid-19 pandemic on Turkey's tourism sector. In the study, for the period 12 March 2020 - 31 August 2020 the daily data of the BIST tourism stock index and Covid-19 case and death counts in Turkey were used. The cointegration relationship between the Covid-19 pandemic and the BIST tourism index was investigated with the ARDL bound test. In addition, the effect of the Covid-19 pandemic on the BIST tourism index was tested with the FMOLS regression method. As a result of the ARDL bound test, it was determined that there is a long-term cointegration relationship between the Covid-19 case and death numbers and the BIST tourism index. According to the FMOLS regression model results, it is seen that the deaths of Covid 19 significantly affect the tourism index. A 1% increase in the number of deaths causes the BIST tourism index to decrease by 0.08%. The coefficient of the number of Covid-19 cases is not significant, showing that the number of cases does not have a sufficient effect on the tourism index.
{"title":"HOW DID COVID-19 PANDEMIC AFFECT THE TOURISM INDEX IN BORSA ISTANBUL?","authors":"Ercan Özen, Letife Özdemir","doi":"10.22190/fueo210501016o","DOIUrl":"https://doi.org/10.22190/fueo210501016o","url":null,"abstract":"This study aims to investigate the impact of the Covid-19 pandemic on Turkey's tourism sector. In the study, for the period 12 March 2020 - 31 August 2020 the daily data of the BIST tourism stock index and Covid-19 case and death counts in Turkey were used. The cointegration relationship between the Covid-19 pandemic and the BIST tourism index was investigated with the ARDL bound test. In addition, the effect of the Covid-19 pandemic on the BIST tourism index was tested with the FMOLS regression method. As a result of the ARDL bound test, it was determined that there is a long-term cointegration relationship between the Covid-19 case and death numbers and the BIST tourism index. According to the FMOLS regression model results, it is seen that the deaths of Covid 19 significantly affect the tourism index. A 1% increase in the number of deaths causes the BIST tourism index to decrease by 0.08%. The coefficient of the number of Covid-19 cases is not significant, showing that the number of cases does not have a sufficient effect on the tourism index.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1685 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86517421","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}
The COVID-19 infection started in Wuhan, China, spreading all over the world, creating global healthcare and economic crisis. Countries all over the world are fighting hard against this pandemic; however, there are doubts on the reported number of cases. In this paper Newcomb-Benford Law is used for the detection of possible false number of reported COVID-19 cases. The analysis, when all countries have been observed together, showed that there is a doubt that countries potentially falsify their data of new COVID-19 cases of infection intentionally. When the analysis was lowered on the individual country level, it was shown that most countries do not diminish their numbers of new COVID-19 cases deliberately. It was found that distributions of COVID-19 data for 15% to 19% of countries for the first digit analysis and 30% to 39% of countries for the last digit analysis do not conform with the Newcomb-Benford Law distribution. Further investigation should be made in this field in order to validate the results of this research. The results obtained from this paper can be important for economic and health policy makers in order to guide COVID-19 surveillance and implement public health policy measures.
{"title":"ASSESSING THE QUALITY OF COVID-19 DATA: EVIDENCE FROM NEWCOMB-BENFORD LAW","authors":"Hrvoje Jošić, Berislav Žmuk","doi":"10.22190/FUEO210326008J","DOIUrl":"https://doi.org/10.22190/FUEO210326008J","url":null,"abstract":"The COVID-19 infection started in Wuhan, China, spreading all over the world, creating global healthcare and economic crisis. Countries all over the world are fighting hard against this pandemic; however, there are doubts on the reported number of cases. In this paper Newcomb-Benford Law is used for the detection of possible false number of reported COVID-19 cases. The analysis, when all countries have been observed together, showed that there is a doubt that countries potentially falsify their data of new COVID-19 cases of infection intentionally. When the analysis was lowered on the individual country level, it was shown that most countries do not diminish their numbers of new COVID-19 cases deliberately. It was found that distributions of COVID-19 data for 15% to 19% of countries for the first digit analysis and 30% to 39% of countries for the last digit analysis do not conform with the Newcomb-Benford Law distribution. Further investigation should be made in this field in order to validate the results of this research. The results obtained from this paper can be important for economic and health policy makers in order to guide COVID-19 surveillance and implement public health policy measures.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68291455","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}
This paper is focused on the theory of sticky costs, created out of researches which pointed to the fact that costs do not act symmetrically in the case of equivalent increase and decrease of the activity volume, as it is implied by the traditional cost theory. Deliberate business decisions, the ones made in order to increase company’s value, as well as opportunistic decisions aimed at the realization of managers' personal goals are found as some of essential causes of cost stickiness. In order to examine the phenomenon of stickiness in the cost behavior of companies that operate in Serbia, we conducted a research on a sample of 917 medium and large companies from manufacturing sector for the period 2007 – 2016. The analysis of panel data pointed to the presence of stickiness in the behavior of operating costs - it showed that they grow by 0.847% as revenues grow by 1%, and they fall by 0.718 % due to 1% drop in revenues. We also found a lagged adjustment to operating costs for changes in operating revenues and partial reversal of stickiness in the period after a revenue decrease.
{"title":"ARE COSTS STICKY? EVIDENCE FROM SERBIA","authors":"Jovana Jugović","doi":"10.22190/FUEO201102006J","DOIUrl":"https://doi.org/10.22190/FUEO201102006J","url":null,"abstract":"This paper is focused on the theory of sticky costs, created out of researches which pointed to the fact that costs do not act symmetrically in the case of equivalent increase and decrease of the activity volume, as it is implied by the traditional cost theory. Deliberate business decisions, the ones made in order to increase company’s value, as well as opportunistic decisions aimed at the realization of managers' personal goals are found as some of essential causes of cost stickiness. In order to examine the phenomenon of stickiness in the cost behavior of companies that operate in Serbia, we conducted a research on a sample of 917 medium and large companies from manufacturing sector for the period 2007 – 2016. The analysis of panel data pointed to the presence of stickiness in the behavior of operating costs - it showed that they grow by 0.847% as revenues grow by 1%, and they fall by 0.718 % due to 1% drop in revenues. We also found a lagged adjustment to operating costs for changes in operating revenues and partial reversal of stickiness in the period after a revenue decrease.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1 1","pages":"073-087"},"PeriodicalIF":0.0,"publicationDate":"2021-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45964655","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}
The study described here introduces new approach for testing the Heckscher-Ohlin-Vanek (HOV) theorem based on the normalized trade balance concept. The intention was to include in the analysis all countries worldwide but due to the lack of data a certain number of countries had to be excluded. Overall 111 countries were observed according to region and income level for the year 2014. The HOV model was estimated using the sign test. It compared the expected sign of the normalized trade balance or net exports, according to the SITC 2 product classification, with the relative endowment of production factors intensively used in the production of a specific product. Production factors were divided into groups such as produced capital, labour force and natural resources further divided into forests, metals and minerals, oil, coal and gas, pastureland and cropland. Researchers in R&D per million people variable represented the impact of technological differences across countries. The results of the sign test have shown that the HOV theorem held in 55% of cases. The percentage of matched signs was highest for the non-OECD high income countries (75%) and lowest for the lower middle income and low income countries (below 50%).
{"title":"TESTING HECKSCHER-OHLIN-VANEK THEOREM BY USING NORMALIZED TRADE BALANCE APPROACH","authors":"Berislav Žmuk, Hrvoje Jošić","doi":"10.22190/FUEO201102002Z","DOIUrl":"https://doi.org/10.22190/FUEO201102002Z","url":null,"abstract":"The study described here introduces new approach for testing the Heckscher-Ohlin-Vanek (HOV) theorem based on the normalized trade balance concept. The intention was to include in the analysis all countries worldwide but due to the lack of data a certain number of countries had to be excluded. Overall 111 countries were observed according to region and income level for the year 2014. The HOV model was estimated using the sign test. It compared the expected sign of the normalized trade balance or net exports, according to the SITC 2 product classification, with the relative endowment of production factors intensively used in the production of a specific product. Production factors were divided into groups such as produced capital, labour force and natural resources further divided into forests, metals and minerals, oil, coal and gas, pastureland and cropland. Researchers in R&D per million people variable represented the impact of technological differences across countries. The results of the sign test have shown that the HOV theorem held in 55% of cases. The percentage of matched signs was highest for the non-OECD high income countries (75%) and lowest for the lower middle income and low income countries (below 50%).","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"36 9","pages":"001-016"},"PeriodicalIF":0.0,"publicationDate":"2021-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41295870","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}
The assumption of successful marketing communication within the service sector is the establishment of two-way interactive communication between service users and service companies. The aim of the strategy of marketing communication is attracting new users, but also retaining the existing users of services and establishing long-term relations with them. A successful achievement of the aim of marketing communication requires that the marketing message is created according to the characteristics and preferences of the target audience. The role of marketing communication differs depending on the stage of the selling process. During the pre-purchase stage, the aim of marketing communication is to inform potential users so that they could create preferences towards the company’s offer. By applying the adequate forms of marketing communication during the stage of using the service, the company tends to explain to and introduce users to the process of servicing and to provide support in solving the occurring problems. The confirmation of users’ positive impressions and the resolution of possible problems which can occur during the process of service provision represent the aim of marketing communication during the post-purchase stage.
{"title":"THE IMPORTANCE OF MARKETING COMMUNICATION FOR ATTRACTING AND RETAINING INSURANCE SERVICE USERS","authors":"S. Popović, M. Avramović","doi":"10.22190/FUEO201130007P","DOIUrl":"https://doi.org/10.22190/FUEO201130007P","url":null,"abstract":"The assumption of successful marketing communication within the service sector is the establishment of two-way interactive communication between service users and service companies. The aim of the strategy of marketing communication is attracting new users, but also retaining the existing users of services and establishing long-term relations with them. A successful achievement of the aim of marketing communication requires that the marketing message is created according to the characteristics and preferences of the target audience. The role of marketing communication differs depending on the stage of the selling process. During the pre-purchase stage, the aim of marketing communication is to inform potential users so that they could create preferences towards the company’s offer. By applying the adequate forms of marketing communication during the stage of using the service, the company tends to explain to and introduce users to the process of servicing and to provide support in solving the occurring problems. The confirmation of users’ positive impressions and the resolution of possible problems which can occur during the process of service provision represent the aim of marketing communication during the post-purchase stage.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1 1","pages":"089-102"},"PeriodicalIF":0.0,"publicationDate":"2021-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46892449","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}
Emerging technologies have given rise to greater opportunities within the insurance sector with innovations upturning the traditional business model. This study examined competitive advantage and the relationship with innovation capability in Nigerian insurance sector. Employing a cross sectional research design, the study utilised primary data obtained from selected insurance companies through the use of a structured questionnaire. Multistage sampling technique was used and data collected was analysed using regression analysis. The findings revealed innovation capability had a significant influence on competitive advantage. The study concluded that there was a need to pay attention to this capability with a capacity to boost the activities of the industry and recommendations were made.
{"title":"THE NIGERIAN INSURANCE INDUSTRY COMPETITIVE ADVANTAGE: THE ROLE OF INNOVATION CAPABILITY","authors":"S. Adebisi, J. M. Odiachi, A. A. Sulaimon","doi":"10.22190/FUEO201211005A","DOIUrl":"https://doi.org/10.22190/FUEO201211005A","url":null,"abstract":"Emerging technologies have given rise to greater opportunities within the insurance sector with innovations upturning the traditional business model. This study examined competitive advantage and the relationship with innovation capability in Nigerian insurance sector. Employing a cross sectional research design, the study utilised primary data obtained from selected insurance companies through the use of a structured questionnaire. Multistage sampling technique was used and data collected was analysed using regression analysis. The findings revealed innovation capability had a significant influence on competitive advantage. The study concluded that there was a need to pay attention to this capability with a capacity to boost the activities of the industry and recommendations were made.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1 1","pages":"059-072"},"PeriodicalIF":0.0,"publicationDate":"2021-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47650133","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}
The problem of sustainable development has become an imperative of globalization, which resolutely sets the request for companies to operate socially responsibly, i.e., to create value in a manner that is sustainable in the future by achieving economic, environmental and social goals. The wave of change, conditioned by digital transformation, is considered an opportunity, but also a challenge for the realization of the concept of sustainable development. Therefore, the aim of this paper is to consider the risks of sustainable business emerging from the implementation of ICT in the business process, with focus on the companies in the Republic of Serbia.
{"title":"SUSTAINABILITY RISK MANAGEMENT IN THE DIGITAL ECONOMY","authors":"J. Stanković, Evica Petrović, Jovica M. Stankovic","doi":"10.22190/FUEO201102004S","DOIUrl":"https://doi.org/10.22190/FUEO201102004S","url":null,"abstract":"The problem of sustainable development has become an imperative of globalization, which resolutely sets the request for companies to operate socially responsibly, i.e., to create value in a manner that is sustainable in the future by achieving economic, environmental and social goals. The wave of change, conditioned by digital transformation, is considered an opportunity, but also a challenge for the realization of the concept of sustainable development. Therefore, the aim of this paper is to consider the risks of sustainable business emerging from the implementation of ICT in the business process, with focus on the companies in the Republic of Serbia.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"1 1","pages":"045-057"},"PeriodicalIF":0.0,"publicationDate":"2021-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41788741","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}
The research aims to identify several dissimilarities between the European Union Member States (EU-27 MS) in terms of welfare and labour market dimensions under the sheer implications of the ageing phenomenon. The quantitative research methodology emphasizes the cluster analysis based on the Ward method, performed for the year 2018. Main results denote that only two countries (Denmark and Sweden) registered soaring performances, especially for the labour market credentials (particularly the employment rate and active policies). Other 10 EU-27 MS accounted medium performances in terms of well-being, but also the lowest achievements as regards the old dependency rate, the employment rate of persons aged 55-64 and the birth rate. This paper brings to the fore the keen need to redesign specific policies and tailored strategies by the responsible authorities and business representatives across the EU, in order to enhance achievements and new solutions for the difficulties brought by population ageing, with spillover effects on the labour market integration of older employees and overall economic welfare. The study stands out through the new integrative approach based on cluster analysis that underlines the dissimilarities between the EU member states, and the features of each group of countries, in a pre-settled framework, thus grasping the difficulties, but also the opportunities faced in terms of ageing and economic welfare.
{"title":"POPULATION AGEING AND WELFARE DISSIMILARITIES WITHIN THE EUROPEAN UNION: A NEW APPROACH BASED ON CLUSTER ANALYSIS","authors":"M. Cristea, G. Noja, Y. Thalassinos","doi":"10.22190/FUEO201226003C","DOIUrl":"https://doi.org/10.22190/FUEO201226003C","url":null,"abstract":"The research aims to identify several dissimilarities between the European Union Member States (EU-27 MS) in terms of welfare and labour market dimensions under the sheer implications of the ageing phenomenon. The quantitative research methodology emphasizes the cluster analysis based on the Ward method, performed for the year 2018. Main results denote that only two countries (Denmark and Sweden) registered soaring performances, especially for the labour market credentials (particularly the employment rate and active policies). Other 10 EU-27 MS accounted medium performances in terms of well-being, but also the lowest achievements as regards the old dependency rate, the employment rate of persons aged 55-64 and the birth rate. This paper brings to the fore the keen need to redesign specific policies and tailored strategies by the responsible authorities and business representatives across the EU, in order to enhance achievements and new solutions for the difficulties brought by population ageing, with spillover effects on the labour market integration of older employees and overall economic welfare. The study stands out through the new integrative approach based on cluster analysis that underlines the dissimilarities between the EU member states, and the features of each group of countries, in a pre-settled framework, thus grasping the difficulties, but also the opportunities faced in terms of ageing and economic welfare.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47000616","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}
Credit scoring attracts special attention of financial institutions. In recent years, deep learning methods have been particularly interesting. In this paper, we compare the performance of ensemble deep learning methods based on decision trees with the best traditional method, logistic regression, and the machine learning method benchmark, support vector machines. Each method tests several different algorithms. We use different performance indicators. The research focuses on standard datasets relevant for this type of classification, the Australian and German datasets. The best method, according to the MCC indicator, proves to be the ensemble method with boosted decision trees. Also, on average, ensemble methods prove to be more successful than SVM.
{"title":"Credit scoring with an ensemble deep learning classification methods – comparison with tradicional methods","authors":"O. Radović, Srđan Marinković, Jelena Radojičić","doi":"10.22190/FUEO201028001R","DOIUrl":"https://doi.org/10.22190/FUEO201028001R","url":null,"abstract":"Credit scoring attracts special attention of financial institutions. In recent years, deep learning methods have been particularly interesting. In this paper, we compare the performance of ensemble deep learning methods based on decision trees with the best traditional method, logistic regression, and the machine learning method benchmark, support vector machines. Each method tests several different algorithms. We use different performance indicators. The research focuses on standard datasets relevant for this type of classification, the Australian and German datasets. The best method, according to the MCC indicator, proves to be the ensemble method with boosted decision trees. Also, on average, ensemble methods prove to be more successful than SVM.","PeriodicalId":31607,"journal":{"name":"Facta Universitatis Series Economics and Organization","volume":"11 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41256011","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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