We examine the economics of infrastructure finance, focusing on public provision and Public-Private Partnerships (PPPs). We show that project finance is appropriate for PPP projects, because there are few economies of scope and because assets are project specific. Furthermore, we suggest that...

We quantify the intertemporal impact of a renewable quota on CO2 emissions, pollution and welfare. We find that the quota substitutes investments in base load technologies. Therefore, its environmental benefit depends on the emission intensity factors of base load technologies, not on system...