From Convergence to Diffusion: The EU's influence on national tax systems. ACES Cases No. 2011.2

In this article I investigate to what extent European Integration stimulates policy convergence and diffusion of various forms of tax policy. Using a mixed-methods design, I find that several causal mechanisms contribute to an EU-wide diffusion of tax policies: imposition, competition, harmonization and learning/communication. I show that these mechanisms have different effects on different forms of taxation. Even if the ultimate outcome of this influence only in few cases leads to unconditional convergence, the EU has markedly accelerated policy diffusion among its member states.

TRAC: a market-based tax on capital flight as an alternative to Grexit. CEPS Commentary, 7 May 2015

In this CEPS Commentary, Daniel Gros turns his attention to the main outstanding problem facing Greece today, namely capital flight. Fearful that the country will leave the euro, depositors are withdrawing cash from their bank accounts – thereby making this event more likely. He outlines a proposal in which outgoing payments from Greek banks in the form of cash or via the TARGET system would be limited to the amount of incoming payments, i.e. revenues from exports or tourism, via an auction system. Greece could remain formally a member of the euro area, but the price for cash withdrawals would encourage depositors to wait and stimulate exports.