The study of the World Bank made in 2006 aims at answering an extremely complex question: what is the nations’ wealth? On the basis of the answer to this question the authors of this study are trying to study the development sustainability degree reached by different countries of the world....

The importance of knowing the country’s national wealth level and structure is determined by the fact that these factors condition the sense and content of the development of a country on short, medium and long term. A study of the World Bank made in 2006 proves that the sustainable...