Decentralization Effects in Ecological Fiscal Transfers: A Bayesian Structural Time Series Analysis for Portugal
Nils Droste, Claudia Becker , Irene Ring, Rui Santos
Environmental and Resource Economics, vol. 71, 2018, p. 1027-1051.

Ecological Fiscal Transfers in Europe--Evidence-Based Design Options for a Transnational Scheme
Nils Droste, I. Ring, R. Santos, M. Kettunen
Ecological Economics, vol. 147, 2018, p. 373-382.