This paper proposes different methods to aggregate heterogeneous policies for renewable energy. We compare time-varying indicators built using principal component analysis with average-based indicators. The main goal of the paper is to account for the evolution of both types of policy indicators...

We investigate the effect of energy liberalizations on policies that support renewable energy in a long panel of OECD countries. We estimate this effect accounting for the endogeneity of liberalization related to joint decisions within a country's energy strategy. Using regulation in other...

This paper proposes different methods to aggregate heterogeneous policies for renewable energy. We compare time-varying indicators built using principal component analysis with average-based indicators. The main goal of the paper is to account for the evolution of both types of policy indicators...