Ecosystem externalities arise when one use of an ecosystem affects its other uses through the production functions of …

paid by the winner. We study the impact of these price-externalities on the first-price auction and the second … independently from the identity of the winner. We prove that the first-price auction is not affected by this kind of price-externalities … by the presence of such price-externalities. In any case, in comparison with the first-price auction, the second …

among the heaviest drinkers – the group who, at the margin, are likely to create the largest externalities from drinking … price floor outperforms an ethanol tax. However, more flexible tax systems can achieve similar reductions in externalities …

externalities. Policy effectiveness depends on whether the measure achieves large reductions in the most socially costly consumption …

encompasses many economic models with externalities and outside options. We show that when outside options are pure (i …