Analiza argumentów za i przeciwko uczestnictwu w unii monetarnej w świetle teorii optymalnych obszarów walutowych

The objective of the paper is to look at the major claims for and against participation in a monetary union in the light of the optimum currency areas theory. Th e supranationalisation of the decision making in the monetary policy brings about serious economic and political consequences — which are evaluated in an extremely different manner by various actors. Taking into account these ambiguities, the above mentioned dilemma needs to be addressed by scholarly reflection.