This book contains the studies related to the conference with the title ’The financial and economical problems of the first decade of the 21st century’ organised by the Departments of Economic and Business Sciences/Faculty of Economic and Human Sciences at the Sapientia Hungarian University of Transylvania, on 6 November 2010 in Csíkszereda. The decade was signed by the financial crisis broken out in 2008 and the following economical crisis, both appear in the book.