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  Challenges to international diversification: analysis through the global synchronized loss index

  This article examines the problem of the decreasing efficiency of international investing during financial crises. Traditionally, it is believed that if you invest in different countries, you reduce risk. However, new research shows that when there is great market stress, all markets start to fall simultaneously. This scientific article examines ... This article examines the problem of the decreasing efficiency of international investing during financial crises. Traditionally, it is believed that if you invest in different countries, you reduce risk. However, new research shows that when there is great market stress, all markets start to fall simultaneously. This scientific article examines the �Global Synchronized Loss Index� (GSLI), which helps the average investor calculate how much of his �protection� has actually disappeared.

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  Why does the size of the shadow economy vary across nations

  This study examines the shadow economy as a macroeconomic and institutional phenomenon that varies across countries. The main objective is to explain these differences by analyzing factors such as tax burden, institutional quality, regulatory environment, and labor market conditions. The study highlights the lack of a unified definition, with the ... This study examines the shadow economy as a macroeconomic and institutional phenomenon that varies across countries. The main objective is to explain these differences by analyzing factors such as tax burden, institutional quality, regulatory environment, and labor market conditions. The study highlights the lack of a unified definition, with the shadow economy most commonly understood as legal activities deliberately concealed from public authorities. The analysis shows that it leads to an underestimation of real GDP and is measured through direct, indirect, and mixed methods. It is found that its share is lower in developed countries, while in less developed economies it often plays a compensatory role. In conclusion, the size of the shadow economy is determined by the interaction between economic incentives and institutional factors.

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  An empirical study of the motivational profile and attitudes toward international educational migration among high school graduates in the city of Varna

  This empirical survey study aims to define the motivational profile for educational migration among high school graduates in the city of Varna. First, a descriptive frequency analysis will be used to identify those who wish to continue their education in Bulgaria. Next, a comparative analysis will examine whether those leaving speak more languages ... This empirical survey study aims to define the motivational profile for educational migration among high school graduates in the city of Varna. First, a descriptive frequency analysis will be used to identify those who wish to continue their education in Bulgaria. Next, a comparative analysis will examine whether those leaving speak more languages than the remaining respondents. The third part of the empirical study will rank the motives by importance for respondents leaving their homeland and analyze the correlations between them. The analyses were performed using SPSS Statistics. The key findings indicate that internal factors have a stronger influence, and the primary motivations for educational migration among the respondents are the desire for personal development, followed by the pursuit of a better education.