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CAPM model and Fama-French model are frequently used in the field of the portfolio. This paper will discuss the application of the Fama-French five-factor model in the impact of COVID-19 on four industries dominated by commodities and give possible reasons. To study the outbreak’s impact on the gold,...

The effects of intercropping with four hyperaccululator plant species (Galinsoga parviflora, Sigesbeckia orientalis, Solanum nigrum and Crassocephalum crepidioide) on photosynthesis and soluble sugar content of grape seedlings under cadmium (Cd) stress were studied by a pot experiment. The results showed...

A pot experiment was conducted to study the effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) on photosynthesis and soluble sugar content of grape seedlings under cadmium (Cd) stress. The result showed that net photosynthetic rate...

The background of this paper was the impact of COVID-19 on the United States fast food industry before, during and after the pandemic, and used Five Guys, a well-known American-based fast-food brand, as an example to analyze the current development and future trends of the industry. This report used...

Over the past two years, the COVID-19 outbreak has affected industries and changed People’s Daily lives. Due to social distancing and airlines ‘ shutdown, businesses sensitive to the Covid-19 pandemic, such as aerospace industry players, have been devastated. This leads us to be interested in how the...

The outbreak of COVID-19 has had a great impact and change on people’s lives. It has also caused people to pay attention to food health. As a new industry in the era of environmental protection, organic food has gained the favor of consumers. This study investigated the factors that influence consumers’...

This paper proposed a hierarchical service overlay network framework (HSON) based on the analysis of advantages and disadvantages of the present service composition network framework and the characteristics of service composition applications, and studied service composition mechanism based on HSON.....

So far, COVID-19 has been going on for two years. During this period, many problems were exposed, including philosophical problems, economic problems, management methods and other problems. This article focuses on the mental health of doctors and patients during the epidemic, combined with Maslow’s humanistic...

Self-regulation is an essential skill that enables people to manage and control their emotions, behaviors, and thoughts. Its development has a significant impact on the lives of humans. Educators have studied it for decades after realizing its significance. However, under the circumstances of COVID-19,...

The impact that COVID-19 brought to the global economy has not yet been eliminated, especially for the retailing industry. At this new stage, we apply the value investing method to analyze investment opportunities in the post-epidemic era. [1] This research will use cases from three companies: PepsiCo,...

Hoarding and panic buying are common reactions of people towards unexpected disasters throughout history. This paper will specifically focus on COVID-19 and hoarding behaviors on masks, hand sanitizers, and other disinfection products that are essential during the pandemic. By researching historical...

With the unceasing development of national economy and science and technology, wireless data transmission is extensive used in many areas, basing on its characteristic of flexible and so on. Based on the SMS of GSM net, this article introduce an intelligentized surveillance system which is used for controlling...

At present, the world is suffering from COVID-19, and many countries do not have the conditions to develop a vaccine. Countries that are without the COVID-19 vaccine are still at risk of a worsening epidemic and potential sequelae, people are dying because of inadequate medical resources and medical...

This paper aims to evaluate the possibility of any Chinese sportswear brand that could become the international competitive company in the sportswear industry. This study explores the potential development of Chinese sportswear from aspects such as financial situation, supply chain, product range and...

The Novel Coronavirus pandemic, which has killed at least 50 million people and infected a third of the world's population, is considered the greatest threat to public health. National governments implemented movement restrictions in response to the worldwide crisis to stop the virus's spread....

With the rapid development of solar photovoltaic industry, the evaluation of photovoltaic enterprises value becomes a hot issue. Under the background of COVID-19, it is also a remained problem that whether photovoltaic enterprises in NON-OECD countries such as China are worth to invest. To solve those...

In the era of information globalization, mobile devices have been integrated into our work, study and life. After the global outbreak of the new crown epidemic in 2020, mobile-assisted Chinese teaching has become an important way for the development of international Chinese education, and mobile-assisted...

Covid-19 was first discovered on December 12, 2019 in Wuhan, Hubei Providence, China according to the CDC. It has, more or less, dramatically affected our society as a unity, and also individual daily lives. This paper analyzes the impact of the pandemic on the industry of electronics, specifically the...

In order to better respond to the challenge of regular COVID-19 viruses’ prevention and control, Chinese police always put people’s interests first, putting people’s lives first. Under the unified deployment of the Joint prevention and control mechanism of The State Council, the police implemented the...

After nearly 18 months of a pandemic and lockdown used to combat this pandemic, it begs the question of why has the pandemic not ended yet and how is this extended lockdown affecting people. This paper aims to understand the effect of conspiracy theories on the continuous extension of the COVID-19 lockdown...

Net present value (NPV) and internal rate of return (IRR) are two popular capital budgeting techniques in the modern economy. Almost all finance textbooks included these two concepts. The paper presents a review of NPV and IRR from the following perspectives and aims to provide a general understanding...

The COVID-19 pandemic in Indonesia was first time announced by President Joko Widodo on Monday, 2 March 2020 and April 13, 2020 it is labeled as a national disaster. However, since the pandemic and regulations issued by the government, the community is no longer able to carry out social activities such...

After the breakout of COVID-19, many entity industries have to shut down. The rapid decline of money transaction caused by the shutdown of the entity industries has shocked the financial service industry while the increase in digital transactions also offers them opportunities. Facing both challenges...

Asset pricing theory is one of the most important topics in financial economics. It attempts to explain the asset price or value paid in the future under uncertain conditions. This paper aims to analyze the pharmaceutical market before and after the outbreak of the covid-19 epidemic and explore its possible...

By conducting a content analysis of recent studies from a variety of industries and searching multiple databases for relevant material, this systematic review investigates the primary determinants impacting employee commitment. Nine papers were chosen for summary after a search through online databases...

Since the outbreak of COVID-19 in 2020, there has been a very serious impact on the global economy. In this paper, the period from May 2019 to February 2020 was selected as the pre-epidemic, and the period from March to December 2020 was selected as the mid-epidemic. The stocks of the US healthcare sector...

Nowadays, more and more people prefer to use online fitness app rather than go to fitness room, when they want fitness. As the product of a combination between the technology industry and the fitness industry, the online fitness app is changing people’s fitness habits from the traditional way. Other...

The purpose of this review is to find out whether 1) the actions taken by Tarumanagara University responded to the impact of the Covid-19 pandemic in the even semester 2019/2020 2) The system applied by Tarumanagara University to carry out the learning process in the middle of the even semester 1029/2020...

Abuse of internet networks might result in internet addiction (IA), which associates with impairment to reward processing systems and is able to harm the human body both physically and mentally. Addiction to the internet among adolescents and the effects brought by this is one of the areas where a lot...

At the beginning of 2020, Covid-19 swept the world and caused serious damage to the economic development of the United States. The U.S. economy is in its worst recession since the Great Depression. Now, with the help of Pfizer, Johnson & Johnson and Modena vaccines, people’s lives have mostly returned...

Online shopping is a new shopping method that is widely used by the public, it is because of its effectiveness and convenient to get the required products. Online shopping is an activity of purchasing goods/services through internet services, and it allows the customers to preview the goods/services...

This article is about how COVID-19 has affected the pricing of bonds and how is the YTM of a bondable impacts the bond when it is issued into the open market. Furthermore, this paper discussed the liquidity impact in terms of how old bonds behave compare of how old bonds behave compared to newly issued...

In early 2020, the outbreak of Covid-19 stopped billions of Chinese people from working and travelling. All citizens except doctors and nurses are required to stay at home. Some of factories and companies couldn’t fight the pressure and finally had to go bankrupt, others tried hard to survive, and the...

Large-scale social restrictions (PSBB) or commonly known as lockdown were imposed in Indonesia in 2020 in response to the COVID-19 which has become a global pandemic, including Indonesia. One of the biggest impacts during lockdown is the closing of public facilities such as malls, supermarkets, and restaurants....

The decoration is one of the community activities carried out during PPKM due to changes in community activities affected by the COVID-19 pandemic for a year. This research is qualitative research, which was preceded by a field survey as primary data and supported by the results of a literature study...

Farmworkers’ right to health has been difficult to be guaranteed for a long time, and this problem became more serious during the COVID-19 pandemic. The purpose of this review is to explore the reasons why farmworker’s right to health cannot be guaranteed, and give feasible solutions. Farmworkers have...

The purpose of this study is to estimate psychological changes, especially the prevalence of anxiety and depression symptoms among university students during the pandemic. In addition, we also evaluate the potential lifestyle-related factors that make students more likely to experience these impacts....

2020 originally was a year for sport games, Europe Cup in June and July, Olympics in August. However, everything stopped all of a sudden. In the beginning of the year, coronavirus, also known as COVID-19 hit China and soon speared to all over the world. Soccer, the largest sport game in the world was...

Studies on discrimination and hate crime incidence on Asians indicate that the act of aggression and micro-aggression have a direct impact on victim’s mental and physical health. So far, however, only a few studies point out the relationship between Asian discrimination and the pandemic of Covid-19....

With the COVID-19 virus in the world that does not subside, scientists are competing to create various medicines that can be used to treat people who are infected with the virus. Even now, the vaccines distributed by the government have not shown significant results. However, until now, no medicine can...

Based on the VAR model, we use Bitcoin prices as well as the Ethereum price daily data between December 2019 and January 2022 for dynamic identification, and the empirical analysis results show that the Bitcoin price is the granger reason of Ethereum prices, but Ethereum price is not the Bitcoin prices...

Since the 1990s, online auctions, as well as e-commerce in general, has boomed. The COVID-19 pandemic this year has further led to an increase in online transactions, making the topic of online auctions as current as ever. This paper summarizes and compares existing research on the strategies for bidders...

As we know, the coronavirus spreads from person to person and attacks mainly a person’s respiratory tract and causes other diseases to worsen. Various preventive measures were also taken such as large-scale social restrictions, new ethics in society and certain restrictions. With this paper, we re-discuss...

In 2019, the outbreak of COVID-19 has different influence to different sectors in Chinese stock market especially the hotel, catering industry. Therefore, this study adopts the event analysis method, selects The Chinese hotel and catering industry stock index as the research object, takes the stock index...

The COVID-19 pandemic has had a huge impact on the global economy. Most of the region’s “non-essential” businesses were ordered to shut down by the government. Also, only necessary productive activities were allowed to operate, so most of the region’s GDP was kept below. In that case, biotechnology and...

The COVID-19 pandemic has currently taken over the public’s attention. Due to the pandemic, the situation had become uncontrollable which caused people to react with an act of self-protection. This resulted in the escalating level of panic buying by many people from around the globe. Drawing on the Protection...

In early 2020, there’s an unexpected pandemic that attacked the world. Our activities such as studying, working, and also socializing have to stop. We are not able to live normally, we have to put extra care into ourselves and our loved ones. One of the huge sectors that are affected is education. Students...

Online education has been prominent ever since the Covid-19 pandemic. With the urgent need for more good online education resources, many online learning platform has made the online learning more available and made more educational resources accessible to students. Among several well-known online learning...

The purpose of this paper is to find the strategy to cope with depression during Covid- 19 pandemic, the factors affecting depression during Covid-19 pandemic and the government efforts in solving this issue. This is done by using the qualitative method which is literature reviews with articles and journals...

The COVID-19 research literature reveals that during the COVID-19 pandemic, people faced with unemployment risks, community blockades, and various negative information on the Internet, people will have fear, disgust, sadness, and other emotions in the short term, and will lead to anxiety and depression...