The present book refers to, and in a way is an extension of previous book Studia nad transformacją i internacjonalizacją gospodarki polskiej (Studies on the transformation and internationalization of the Polish economy), published in the year 2007 which recorded 20 years of cooperation with the journal EKONOMISTA. It contained articles published by author or together with colleagues in Polish in this periodical during the years 1988-2007. The book besides transition problems investigated as well the issue of internationalisation of the Polish economy.