This paper presents a model to determine the tax effort and tax capacity of 113 countries and the main variables on which they depend. The results and the model allow a clear determination of which countries are near their tax capacity and which are some way from it, and therefore, could...

Unanticipated changes in commodity prices can generate significant movements in fiscal aggregates. This paper seeks to understand the dynamics of these fiscal movements in the context of transitory commodity price shocks using sample data from four CIS countries- two oil-producing and two...