“…Morthorst, 2000;Menanteau et al, 2003;Meyer, 2003;Ürge-Vorsatz et al, 2004;Madlener and Stagl, 2005;Ragwitz and Huber, 2005;Rowlands, 2005;Contaldi et al, 2006;Ringel, 2006;Finon and Perez, 2007;del Río and Gual, 2007;Diekman, 2008;Verhaegen et al, 2009). The main advantage of this system, as described in these assessments, is its effectiveness in promoting technology development and diffusion (especially with regards to wind power in e.g.…”