This paper explores the effects of general and agricultural trade openness on economic freedom and alongside with the quality of institutions, on income and poverty. Recent cross-country data for over 200 nations in global regions were used to estimate equations for income, poverty and economic freedom. Economic freedom appears to have positive impacts on income levels, which together with good...

The paper aims to identify the situations in which a complex elastic system, is subject mechanical vibrations, can act as dynamic absorber of vibrations for certain frequencies. conditions that system must fulfill order achieve this goal are determined and then calculation example presented. method interesting because it allows avoid attaching an specially built this, situation complicates proj...

Effective degree of freedom (EDOF) a multiple-input–multiple-output (MIMO) system represents its equivalent number independent single-input–single-output (SISO) systems, which directly characterizes the communication performance. Traditional EDOF only considers single polarization, where full polarized components degrade into two transverse under far-field approximation. However, traditional mo...