English Abstract: Every field of people's conscientious act require making corresponding decisions. Since making right and timely decisions requires certain information, that can also be applied for making decisions in tourism business. Tourism is a heterogeneous activity, which create numerous...

English Abstract: As wages are the primary means of income for the majority of people in every country in the world, understanding the reasons for differences in wages is important for human welfare. One potential source of differences in wages between countries is differences in the degree of...