Perspectives on Federalism is a free on-line peer-reviewed journal, promoted by the Centre for Studies on Federalism.

1. Promoting solidarity in crisis times: Building on the EU Budget and the EU Funds
(Katerina Pantazatou/Essay)

... by virtue of the diverging economies, interests and preferences of the Member States, reciprocal or ‘effects-based solidarity’ is the only type of solidarity that has been exhibited among the Member States ...