Supply security is a prominent and crucial notion which nds application in various economic sectors (energy security, food security, supply chain risks). Yet, it remains particularly dicult to dene and measure. Currently used indicators of supply security focus on narrow approaches and oer...

Natural gas plays an important role in many European energy systems especially with regard to the envisioned transition towards a less carbon intensive energy supply. Being dependent on imports - especially from Russia - this raises questions about the future development and security of Europe's...

This paper examines the efficiency and distributional impacts of introducing a price floor in an emissions trading system (ETS) when environmental regulation is partitioned. We theoretically characterize the conditions under which a price floor enhances welfare. Using a multi-country...