"Do superpower interventions to install and prop up political leaders in other countries subsequently result in more or less democracy, and does this effect vary depending on whether the intervening superpower is democratic or authoritarian? While democracy may be expected to decline...

The shale gas revolution has fundamentally transformed energy markets domestically and abroad. Rising production has led to falling gas and oil prices in the U.S., while Europe, in contrast, is paying four to five times more for its natural gas and becoming one of the biggest importers of U.S....

Assets in the fossil fuel industries are at risk of losing market value due to anticipated breakthroughs in renewable technology and governments stepping up climate policies in the light of the Paris commitments to limit global warming to 1.5 or 2 degrees Celsius. Stranded assets arise due to...

Advocates for increasing domestic drilling for natural gas, particularly hydraulic fracturing of shale formations, have rallied behind the slogan “Drill a gas well, bring a soldier home,” suggesting an association between domestic drilling and reduced troop deployments abroad. But is there...

We analyze (frequency) connectedness and portfolio hedging among U.S. energy commodities from 1997 to 2023. We show that the total connectedness increased over time, likely due to the increasing financialization of energy commodities. It fluctuates with respect to (i) different investment...