; competitiveness ; rational expectations ; collusion ; welfare … distortionary market power above full information levels and welfare losses which can be counteracted by subsidies. As the market … welfare losses is 1/ n2 [hoch 2] . The results extend to demand schedule competition and a range of applications in product …

competitiveness. -- Imperfect competition ; adverse selection ; competitiveness ; rational expectations ; collusion ; welfare …, competitiveness is affected by the parameters of the information structure: supply functions are steeper with more noise in the …

This paper studies the welfare consequences of a vertical merger that raises rivals costs when downstream competition … nevertheless improve welfare if it involves a downstream firm whose cost is low enough . This is because by raising the input price …

than compensate the welfare reducing impact of market power, irrespective of whether the number of firms is given … exogenously or determined endogenously by a profit constraint. We further show that welfare in a setting with adverse selection … may be higher than the maximized welfare level attainable in a world with perfect observability. …

affect profitability, market structure and welfare. Based on unique data for all retail food stores in Sweden, we estimate … show that welfare increases when competition is enhanced by lower entry costs. Protecting small stores by imposing … licensing fees on large stores is not welfare enhancing. This study sheds light on the long-run implications of entry …

lowest welfare losses. This is due to the fact that complete regulation of local fiscal policy reduces the incentive of …