This study uses Markowitz mean-variance portfolio theory with forecasted data for the years 2005 to 2035 to determine efficient electricity generating technology mixes for Switzerland. The SURE procedure has been applied to filter out the systematic components of the covariance matrix. Results...

The Russian attack on Ukraine in February 2022 shook continental geopolitics and led to a major shift in EU energy policy. The necessary speed of the combined diversification away from the Russian energy sources, fossil fuel phase-out and mass scale-up of low-carbon energy and technologies are...

We analyse the evolution of the systemic risk impact of oil and natural gas companies since 2000. This period is characterised by several events that affected energy source markets: the real effect of the global financial crisis, the explosion of shale production and the diffusion of the...