The Mirrlees Review recommends that commodity taxation should in general be uniform, but with some goods consumed in conjunction with labour supply (such as child care) left untaxed. This paper examines the validity of this claim in an optimal income tax framework. Contrary to the recommendation...

"Abstract: A notable feature and principal virtue of Tax by Design is its system-wide perspective on different elements of the tax system. This review essay builds on this trait and offers a more explicit foundation for the report's general approach, drawing on a distribution-neutral methodology...

This paper explores the idea that institutional details matter and that attempts to estimate the economic effects of federalism by employing a simple dummy variable neglect potentially important institutional details. Based on a principal component analysis, seven aspects of both federalism and...

This paper examines whether the federal structure of aid-receiving countries matters in explaining aid effectiveness. Following the decentralization theorem, the devolution of powers should increase aid effectiveness, since local decision-makers are better informed about local needs. At the same...

This paper empirically studies the impact of decentralization on foreign aid effectiveness. For this purpose, we examine a commonly used empirical growth model, considering aid modality as well as different measures of political and fiscal decentralization. Our panel estimations reveal that...

We compare health system responses to the first wave of COVID-19 pandemic in Italy and Spain. In both countries, healthcare is managed at the regional level, but the central government behaved differently in the uncertainty surrounding the first wave, leaving more autonomy to regional...