Afonso, AntónioKieltyk, Mateusz Mariusz2022-01-212022-07-212021-10Kieltyk, Mateusz Mariusz (2021). “Consequences of the Eurozone and own currency during crisis: Polish and Greece case”. Dissertação de Mestrado. Universidade de Lisboa. Instituto Superior de Economia e Gestão.http://hdl.handle.net/10400.5/23196Mestrado Bolonha em Economia Monetária e FinanceiraThis thesis is related to Eurozone countries and countries with their currency in European Union, especially Poland. I will try to explain the reasons why some countries still have not joined the European Union, what type of problem can exist with their currency, and also what are the benefits from owning the national currency. What is more, I will analyze and discuss the Greece case as an example of potential difficulties eurozone countries may encounter. The main content of this thesis is related to the financial crisis between 2007 and 2009 and behavior of Poland and Greece not only during that time but also before and after these years.engZlotyEurozonePolandGreeceCurrencyMonetary policyMonetary Unionmaster thesis