Temporary bottlenecks, hydropower and acquisitions in networks
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- Working papers (SNF) 
The purpose of this article is to study the effects of an acquisition in an energy system dominated by hydropower and with temporary bottlenecks. We apply a model with four markets: two regions and two time periods. It is shown that an acquisition has an ambiguous effect on welfare. In some instances it would lead to larger differences in prices between different markets, which would lead to an increase in the dead weight loss. In other instances an acquisition would lead to a reduction in price differences between different markets. This may happen if the dominant firm acquires a firm that is active in the market where the dominant firm used to dump its energy capacity before the acquisition took place.