The solar photovoltaic (PV) industry in the United States has been the recipient of billions of dollars of subsidies, motivated both by environmental externalities and spillovers across firms from learning-by-doing (LBD) in the installation of the technology. Using a dynamic model of demand and...

Global climate change and other environmental challenges require the development of new energy technologies with lower emissions. In the near-term, R&D investments, either by government or the private sector, can bring down the costs of these lower emission technologies. However, the results of...