Tax certainty aims at the stabilization of expectations of both, taxpayers and governments. Improving tax payer service, easing cooperation channels and clarifying legal framework are strategies already in place to increase tax certainty, even though to different extent depending on the...

Governments use tax expenditures to boost investment, innovation and employment. However, these schemes are largely opaque, costly and often ineffective in reaching their stated goals. They also frequently trigger unwanted side effects. In order to improve the performance of these tools, the...

This paper deals with the effectiveness of several alternative models of aid allocation in terms of poverty reduction. We use a model that admits the presence of diminishing returns to aid in the output and poverty functions. We shall discuss the impact of aid on poverty in a single country,...