Renewable energy sources are generally considered as an important tool on the way towards sustainable development. However, if developing countries want to actively promote renewable energies, they may need to face the problem that current legislation conflicts with the clean development...

In the context of combating climate change, renewable energies are considered to play an important role. As these energies are currently not fully competitive compared with conventional power generation technologies, (minimum) quotas have been proposed as one means of overcoming this problem....