"Tradable permit regulations have recently been implemented for climate change policy in many countries. One of the first mandatory markets was the EU Emission Trading System, whose first phase ran from 2005-07. Unlike taxes, permits expose firms to volatility in regulatory costs, but are...

This study provides evidence on the existence of a negative Greenium, i.e. a risk premium linked to firms' greenness and environmental transparency, based on European individual stock returns. We define a priced ‘greenness and transparency' factor based on companies' greenhouse gas emissions...