In economic models of energy and climate policy, endogenous technological change is generally introduced as the result of either investment in research-and-development or of learningby-doing. In this paper, we analyze alternative ways of modeling learning-by-doing in the renewable energy sector...

In an influential paper Mankiw, Romer, and Weil (1992) argue that the evidence on the international disparity in per-capita income levels and growth rates is consistent with a standard Solow model, once it has been augmented to include human capital as an accumulable factor. In a study on...