Recently, the combinatorial clock auction has become more and more common in the auctioning of telecommunication licenses. Although the auction design is complex, the promise is that bidding becomes simple - truthtelling is "close to optimal". We show that this claim is too strong. The auction...

Many markets ban monetary transfers. Rather than exogenously imposing this constraint, we introduce discrimination-freeness as a desideratum based on egalitarian objectives. Discrimination-freeness requires that an agent's object assignment is independent of his wealth. We show that money cannot...

Die Monopolkommission kommt in ihrem aktuellen Gutachten zu dem Ergebnis, dass indirekte Horizontalverflechtungen zwischen Unternehmen desselben Marktes über institutionelle Investoren ein wettbewerbsverzerrendes Potenzial bilden. Durch Minderheitsbeteiligungen institutioneller Anleger an...