The strongest determination of external labour mobility is given by the economicdevelopment level from the country of destination and the superior equivalent income that might beobtained by wage employment or entrepreneurship, as compared with the country of origin. Labourimmigrants represent...

An impressive number of labour force migration/mobility models, both at national and international level, are presented in the literature. A large number of those either describe international migration versus internal migration or inter-regional migration in Europe or in other parts of the...

The existence of a heavier layer of greenhouse effect gases at the level of theentire planet triggered significant climate changes. The paper intends to present the mainenvironmental indicators elaborated by various specialised international bodies, and themodels used by different governmental...