The pricing of district heat is an efficient marketing instrument, in addition to a coercive measure. We derive an efficient contract, i.e., a mix of charges (for access, fixed charges and for heat) such that all costs are covered and that the consumer's expenses are minimal. Price...

We investigate how a redistribution of oil reserves among a (probably reduced) set of producers affects OPEC's oil extraction policies and thus international crude oil-prices. The empirical investigation shows that this impact is fairly small, as long as OPEC members do not cooperate. Only...

Classic storage utilisation is mainly based on charging/discharging strategies enabling a power generation company to generate revenues by buying electricity in low-price periods and selling it at higher prices. Within this paper another feasible way to gain arbitrage in storage utilisation is...