This thesis studies firm trading behaviour in the European Union (EU) carbon marketand investment decision-making in China’s electricity industry in the context of policiesaddressing local and global air pollution. The first two papers derive the lessons learntfrom the EU carbon market for policy-makers (such as the Chinese government)introducing such instruments, and the last paper assesses the effects of such policies oninvestment decisions in the electricity sector.The first paper aims to provide empirical evidence for beyond compliance tradingbehaviour in the EU carbon market by investigating companies’ characteristics andrelated volumes. To explore decision-making at the parent company level, amicroeconomic choice model is ap...