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This paper aims to explore university students' multitasking behavior in online classrooms and their influence on academic performance. Also, the study examined students' opinions.

A total of 302 university students fulfilled an online survey. Ten questions were focused on demographic information, five items evaluated online class behavior of students, 9 items evaluated self-efficacy and four items measured academic performance.

Multitasking behavior was found to negatively influence self-efficacy of −0.332, whereas self-efficacy showed a positive influence of 0.325 on academic performance. Cronbach's alpha and average variance extracted values were 0.780 and 0.527 (multitasking behavior), 0.875 and 0.503 (self-efficacy), 0.781 and 0.601 (academic performance). Outcomes of the bootstrapping test showed that the path coefficients are significant.

The research findings may help university managers understand undergraduates’ online and face-to-face behavior and strategies to improve the behavior to ensure the best academic outcomes. The novelty is based on using the partial least square structural equation modeling technique.

In the academic field of business management, several potential theories were established during the last decades to explain companies' decisions, organizational behavior, consumer patterns, and internationalization, among others. As a result, businesses and scholars were able to analyze and decide based on theoretical approaches to explain the current conditions of the market. Secondary research was conducted to collect more than 36 management theories. This chapter aims to develop the most famous theories related to business applied in the international field. The novelty of this chapter relies on the compilation of recognized previous research studies from the academic literature and evidence in international business.

Business models are constantly innovating to adopt international trends. Business models are shifting toward sustainable practices to meet expectations and standards and keep on with the rest of the competitors in their industries. Recently, sustainability took a greater emphasis, and this chapter seeks to describe the main sustainability initiatives generated in international markets. Through a qualitative study made of secondary sources, strategies aligned to different sustainability initiatives are shown. Interestingly, adopting technology, digital transformation, and blockchain can enhance sustainable development.

The following chapter aims to investigate the impact on the prices of inferior goods from COVID-19, a global pandemic with a spread never before seen, and in order to stipulate the possible consequences, a contrast was made with past world crises in order to speculate the state in which the country and its citizens would be economically benefited. The chapter has been based on articles previously carried out by specialists, said essays, likewise, that have been contrasted by different authors; therefore, it could be stipulated that the methodology used throughout the trial was the one applied, since it was based on prior knowledge from great scholars on the subject. The results found indicate that, even though the country is in an uncertain outlook, the possibilities of economic recovery are high since previous economic crises denote large drops in money fluctuation with a high rate of recovery.

Science, Technology, Engineering, and Mathematics (STEM) education, its importance, and its difficulties have been defined. This chapter seeks to present the digital tools that have been used during the pandemic period and that have been focused on promoting STEM education at different levels. The efforts made by educational organizations worldwide are mentioned. Different regions are shown presenting the best experiences of digital tools that enhance the elements of STEM and can be extended to different levels of education from elementary school to university. On the other hand, successful experiences of the use of technological tools from the teachers' point of view are shown, depicting the tools that have worked the most during the process of adapting to online classes to devise a much better educational plan that continues to take advantage of digital tools for STEM education.

The tension between the United States and China has not ended, despite the lengthy negotiations carried out in 2019 to appease differences and decrease protectionism over the technology industry, since the trade war was producing devastating consequences for both powers and international trade. The resurgence of tension is due to two main factors, such as mutual accusations about who is to blame for the origin of COVID-19 and the use of the new 5G mobile technology by Chinese companies like ZTE and Huawei. We developed an in-depth analysis of the consequences on international prices of the technology industry and international trade due to the reappearance of the trade conflict between China and the United States. This analysis will be carried out through the application of economic theories. There is greater distrust in the technology sector, and this produces a variation in the price of the technology industry. Likewise, according to Marshall's law of demand and supply, this effect can be explained more accurately; since there was a lower demand for technological products, the digital industry will have to lower its prices to generate income.

It is essential to understand how the countries with the highest number of tourist arrivals have managed to recover or not based on the competitiveness of the tourism industry during the pandemic stage. It is necessary to evaluate the policies implemented by each government to maintain the competitive performance of their industries. This chapter proposes a comprehensive review of the policies implemented in the 10 most visited countries according to UNWTO data. Most of these policies are geared toward economic and financial flexibility strategies for companies and individuals in the industry under study. The effectiveness of these policies is evaluated with statistical information extracted from a unified UNWTO database to reduce biases in the effectiveness analysis. Finally, concluding remarks are offered on the effectiveness of the policies and their contribution to the sector's recovery.

In a pandemic framework (COVID-19), this chapter explores the impact of the global economy and socio-cultures concerning three axes: recreational, tourism, and hospitality. Although we slowly see an economic revival, it is well known that this sector of study is very susceptible to being affected by the context of nations. Following restrictions and measures taken by governments around the world to reduce the number of cases of coronavirus infections, many nations closed their borders, affecting international travel and by 2020 tourism had been reduced to the near cessation of operations due to the imminent fear of this poorly studied disease, and the service sector was negatively affected. It should be added that, according to the World Tourism Organization's projections, a decrease of between 20 and 30% is forecast for 2020 compared to the previous year.

Food insecurity in the Latin American region has become a complex problem that significantly impacts people's physical and mental well-being. The factors causing food insecurity are varied, ranging from social, political, and economic causes. Ensuring access to food is not a task with limited responsibilities; on the contrary, both public and private institutions must contribute to creating sustainable and innovative solutions. In general, it is necessary to ensure that the food system flows correctly, ensuring the availability of balanced and nutritious food for the diet of the inhabitants of a given nation. Alternative solutions apart from the government's help include sustainable cultivation, finger millet, and close cooperation with the farmers from the agriculture sector. The present research aims to consolidate theoretical information on the Latin American situation and seek the leading solutions of the parties involved.

Latin American countries must prioritize energy efficiency and renewable energies in their energy policies. This has been debated for the past few decades. However, it is impossible to deny that energy efficiency and renewable energies have significant potential to mitigate the adverse effects of ever-increasing energy consumption induced by economic growth and the transformation of societies toward more energy-intensive models. This chapter identifies how sustainable energy policies could be considered successful in various Latin American economies through an active review and comparison of traditional energy models and their transition and respective consequences. The chapter concludes that there are national energy plans in countries in the region with a sustainable approach, and that clean energy and renewable sources have great potential. But it is also concluded that there is still a long way to go concerning legislation and legal frameworks.