Given various recent antitrust investigations on the retail sector, we deal with uncovering demand systems substitution patterns for a particular market (diapers) to investigate the inter-format competition (supermarkets vs. discounters vs. drugstores). Using the uncovered demand system we...

The fundamental change of energy policy in Germany (the so-called Energiewende) has lead to a discussion how the security of electricity supply will be affected by the heavily subsidised expansion of electricity generation from renewable energies, as electricity generation from renewable...