The contracted internal rate of return (CIRR) of Korea's public-private-partnership (PPP) projects does not properly reflect the risks associated with the different types and characteristics of facilities and government support. Rather, the rates are set at the same level as similar preceding...

We analyse quantitatively how risk exposure from different support mechanisms, such as feed-in tariffs and premiums, can influence the investment incentives for private investors. We develop a net cash flow approach that takes systematic and unsystematic risks into account through cost of...