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Open Access Article
1 - Human Development Indicators, Covit 19 Mortality, the Panel Co-Integration Approach (Analysis of Health Economics in Selected Developing Countries)
Soodabeh Jamalof maryam sharifnezhad Mohammad Hasan Fotros ahmad sarlakIntroduction: Due to the threat of Covid-19 to the public health of the world, the World Health Organization, in order to show international interest in coordinating international responses to this disease, raised the public health emergency and after that, the global i MoreIntroduction: Due to the threat of Covid-19 to the public health of the world, the World Health Organization, in order to show international interest in coordinating international responses to this disease, raised the public health emergency and after that, the global issue of Covid-19 was declared. In a highly interconnected world with strong ties between countries, the effects of disease outbreaks go beyond mortality and morbidity. Because with the reduction of economic activities, the performance of the global supply chain will also be disrupted. Considering the importance of this issue and the destructive consequences of the spread of this virus on the global economy, it is necessary to take a step to reduce this problem. Therefore, the purpose of this study is to investigate and analyze the long-term effects of the human development index and its components (life expectancy, literacy, per capita income, urbanization and employment) on deaths caused by Corona in selected developing countries (30 developing countries). with a relatively high human development index) in the period of 2019-2022. Methods: For this purpose, FMOLS and DOLS methods have been used. Results: The results indicate that the human development index and its components (life expectancy, literacy, per capita income, urbanization and employment) have a negative and significant effect on the death rate of Corona in selected developing countries in the long term. Conclusion: Since the human development index has a negative and significant effect on corona deaths in selected developing countries in the long term, Therefore, the improvement of health, social and economic indicators can reduce the attenuation of Corona in societies. Therefore, it is necessary for governments to make interventions in the sectors of society, especially economy, education and security, in order to strengthen reforms in the health sector. Manuscript profile -
Open Access Article
2 - Design and Development of a Native Model of Viral Advertising for Online Retailers Using the Grounded Theory
Monir sadat Mirahmadi yazdan shirmohammadi Seyed Mahdi JalaliThe spread of the Internet in everyday life and its development in all social and economic sectors and business processes has caused in today's world, caused by the spread of the deadly corona virus, fundamental changes in the economic system and consequently in marketi MoreThe spread of the Internet in everyday life and its development in all social and economic sectors and business processes has caused in today's world, caused by the spread of the deadly corona virus, fundamental changes in the economic system and consequently in marketing and marketing advertising; Therefore, this study tries to help develop theoretical knowledge in this field by examining the characteristics of viral advertising and provide solutions for the implementation of viral advertising programs for marketing managers; Therefore, the aim of the present study is to design a native model of viral advertising for online retailers using the data method. The present research is an applied research in terms of purpose and a qualitative survey research in terms of method. The statistical population of the study consisted of 15 managers and senior experts of the online retail company Digi Kala who were selected by purposive cluster sampling. Research data were collected using semi-structured interviews, the questions of which were confirmed by face to face with the opinion of professors and experts. Results of data method analysis of six identified categories; Indicates causal category, main category, contextual category, interventionist or environmental category, strategies and consequences category. The results of the quantitative section also show that the proposed model presented in the research has seven indicators including message content, usage, sensory perception, trust, branding, ease of use and attitude. Manuscript profile -
Open Access Article
3 - نقش سبکهای مقابلهای بر اضطراب زنان سرپرست خانوار در همهگیری کوید 19 (مطالعه موردی: زنان سرپرست خانوار تحت پوشش سازمان بهزیستی شهرستان دشتستان)
فاطمه کاوسی غلامرضا فرهمند کوشکقاضی -
Open Access Article
4 - Study of the experience of non-mourning in the survivors of Quid 19 in Hamadan
Anvar Dastbaz zahra zarei Omid Moradi Jalil SahabiAbstract Losing a family member is the biggest crisis a person has to face. Due to the quarantine conditions and the lack of mourning and emotional evacuation, and due to the fact that mourning is a social reaction, the aim of this study was to investigate the partici MoreAbstract Losing a family member is the biggest crisis a person has to face. Due to the quarantine conditions and the lack of mourning and emotional evacuation, and due to the fact that mourning is a social reaction, the aim of this study was to investigate the participants' experience of mourning after the death of a family member due to coronary heart disease. In this research, descriptive phenomenological qualitative research (lived experience) has been used to collect and evaluate information about the experience of mourning. Twelve participants who experienced the death of a family member were selected by purposive sampling method and data collection was continued through in-depth interviews with them until the data reached saturation. Data analysis and interpretation were performed by Colaizzi method and phenomenological approach. After analyzing the results, four main clusters and ten sub-clusters were extracted. The results of this study confirm that the lack of mourning in coronary heart disease survivors has had significant consequences. Manuscript profile -
Open Access Article
5 - Designing and explaining the components of the supply chain resilience assessment model in the country's medical centers
farshad alibakhshi mahmoud modiri changiz valmohammadi gholam reza hashemzadehThis research aims to develop a model for assessing supply chain resilience by identifying its dimensions, components, and indicators, as well as understanding the relationships between them. The study is applied in nature and utilizes a mixed methodology, combining bot MoreThis research aims to develop a model for assessing supply chain resilience by identifying its dimensions, components, and indicators, as well as understanding the relationships between them. The study is applied in nature and utilizes a mixed methodology, combining both quantitative and qualitative approaches. The research involved 23 managers and senior experts from the supply chain of public hospitals in Tehran province, who were selected using targeted non-probability sampling and theoretical and snowball techniques. In the quantitative phase, the importance of dimensions and components was determined using network analysis based on Dimetal Gray. The statistical population for the quantitative part consisted of 336 supply chain managers and experts from public hospitals in Tehran province, from which 184 individuals were selected using stratified random sampling based on Cochran's formula. The research findings indicate that "supply chain management methods" and "management of goods suppliers" are the most important dimensions, while "re-engineering of the supply chain" is the most crucial component. The study also highlights the significance of "cooperation and coordination with suppliers" and "prediction and review of processes" as important components. The research identifies "risk management" as the most influential factor and emphasizes the effectiveness of "supply chain management methods." Additionally, the study recommends strategies such as "continuous environmental monitoring," "flexibility," and "redundancy strategy" for enhancing supply chain resilience. Manuscript profile -
Open Access Article
6 - Structural and molecular analysis of SARSCoV-2 spike protein following S494P point mutations using bioinformatics and molecular dynamics methods.
Mehr Ali Mahmood Janlou Hasan Saheb jamii elham tazikeh lemeskiThe emergence of some mutations in the SARS-CoV-2 receptor binding domain (RBD) can increase the spread and pathogenicity due to the conformational changes and increase the stability of Spike protein. Due to the formation of different strains of SARS-CoV-2 by mutations, MoreThe emergence of some mutations in the SARS-CoV-2 receptor binding domain (RBD) can increase the spread and pathogenicity due to the conformational changes and increase the stability of Spike protein. Due to the formation of different strains of SARS-CoV-2 by mutations, and their catastrophic effect on public health, the study of the effect of mutations by scientists and researchers around the world is inevitable. According to available evidence, the S494P variant is observed in several SARS-CoV-2 strains from Michigan, USA. To investigate how the S494P natural mutation alters receptor binding affinity in RBD, we performed structural analysis of wild-type and mutant spike proteins using some bioinformatics and computational tools. The results show that S494P mutation increases the spike protein stability. Also, applying docking by HADDOCK displayed higher binding affinity to hACE2 for mutant spike than wild type possibly due to the increased β-strand and Turn secondary structures which increases surface accessibly surface area (SASA) and the chance of interaction. The analysis of S494P as a critical RBD mutation may provide the continuing surveillance of spike mutations to aid in the development of COVID-19 drugs and vaccines. Manuscript profile -
Open Access Article
7 - Investigating the Relationship between the Prevalence of Quid 19 and the Stock Price Crash Risk with Emphasis on the Role of Corporate Social Responsibility in the Tehran Stock Exchange
Zeinab Rezaei Ali TamoradiAbstractStock Price Crash Risk is a phenomenon in which stock prices undergo a sharp and negative sharp adjustment. On the other hand, if a company with a high social responsibility culture adheres to the same high level of ethical standards in financial reporting, it w MoreAbstractStock Price Crash Risk is a phenomenon in which stock prices undergo a sharp and negative sharp adjustment. On the other hand, if a company with a high social responsibility culture adheres to the same high level of ethical standards in financial reporting, it will face a higher level of transparency and a lower level of bad news accumulation, so such companies are expected to risk falling stock prices. Decrease. also, in the context of the COVID-19 epidemic, the impact of this disease on socially responsible companies and the risk of falling stock prices has not been determined. Therefore, this study examines the relationship between the prevalence of COVID-19 and the risk of Stock Price Crash Risk with emphasis on the role of social responsibility in the Tehran Stock Exchange during the period 2015 to 2021 using the information of 130 selected companies. The results showed that social responsibility has a negative and significant effect on the risk of falling stock prices. The results also showed that with the increase and epidemic of COVID-19 disease, the risk of falling stock prices has increased. In such a situation, the managers try to keep the negative news of the company, which is caused by the imposed conditions of Corona, as secret as possible, and thus the outbreak of Covid 19 disease leads to an increased risk of falling stock prices. The effect of social responsibility on the risk of falling stock prices before and after the outbreak of COVID-19 was significantly different. Manuscript profile
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