The growth in variable renewable energy (vRES) and the need for flexibility in power systems go hand in hand. We study how vRES and other factors, namely the price of substitute fuels, power price volatility, structural breaks, and seasonality impact the hedgeable power spreads (profit margins)...

We examine the impact of internationalization on the quality of Chinese iron ore and PTA futures markets, by comparing the trading activities, costs and volatilities before and after the event. Using a difference-in-difference framework, we find that internationalization improves the market...