Trwałość reguł fiskalnych jako kryterium ich oceny

The purpose of the paper is to assess the functioning of fiscal rules, taking into account the criterion of their stability. There was recognized that the stability of the rules is part of strengthening the credibility of fiscal policy. The basis of the research is database on numerical fiscal rules provided by the European Commission. There was found, that low level of fiscal rules’ stability, especially for the general government sector rules, is a factor limiting the long-term sustainability of public finances.