-consistent policy rules that implement the stochastic first best as long as a future market exists. We apply our theory to carbon …

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 …