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87  Articles
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The paper studies the differences in risk reduction among global minimum variance portfolios (GMVPs) derived from the optimization of weekly and monthly return. This research follows the analysis of Zibri and Kukeli (2014) regarding differences in perform... see more

This paper studies the out of sample risk reduction of global minimum variance portfolio. The analysis are drown from the discussions of Jagannathan and Ma (2003) regarding the risk reduction in US stock portfolios using portfolio constraints. We estimate... see more

Arbenan leaf is a medicinal plant that used in the healing of inflammation. The content of phenolic compounds, flavonoids, steroids and tannins contained in arbenan plants which play an important role in alternative medicine. Currently, scientific work of... see more

O artigo analisa a Revolução de Outubro (1944-1954) na Guatemala que pôs fim ao Estado Liberal Oligárquico, assim como a estratégia reformista de implantação do capitalismo no país. No entanto, o governo do coronel Jacobo Arbenz Gúzman, eleito democratica... see more

Personal income tax has become an important part of the Albania’s revenue system. Revenue from personal income tax was more than 27.9 billion ALL for the year of 2011 which makes up a 3% increase when compared to the previous year. This paper compares and... see more

ABSTRACT.Study  of  the  effects  of  various  media  on  growth  of  Arben  (Rubus  fraxinifoilusPoir.) seedlings  through  seed  multiplication  was  carried  out.... see more




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