Resch, G.G.ReschRagwitz, MarioMarioRagwitzHeld, A.A.HeldFaber, T.T.FaberHaas, R.R.Haas2022-03-032022-03-032007https://publica.fraunhofer.de/handle/publica/2143492-s2.0-39549099911en600331Feed-in tariffs and quotas for renewable energy in Europejournal article