The Bihor and Hajdú-Bihar counties, from both sides of the Romanian – Hungarian border, are, in different degrees, monocentric administrative units, as it is shown in this paper. Each one has an administrative centre that is demographically and economically dominant. They were important urban...

Regions have very different economic performances (among themselves) compared to states,induced by a number of determinants, such as: geography, demography, degree of specialization, economic productivity, physical and human capital, infrastructure, capacity for innovation. In this context, some...