A repo auction is a multi-unit common value auction in which bidders submit demand functions. Such auctions are used by the Bundesbank as well as the European Central Bank as the principal instrument for implementing monetary policy. In this paper, we analyze a repo auction with a uniform pricing rule. We show that under a uniform pricing rule, the usual intuition about the value of exclusive information can be violated, and implies free riding by uninformed bidders on the information of the informed bidders, lowering payoff of the latter. Further, free riding can distort the information content of auction prices, in turn distorting the policy signals, hindering the conduct of monetary policy. The results agree with evidence from repo auctions, and clarifies the reason behind the Bundesbank's decision to switch away from the uniform price format. Our results also shed some light on the rationale behind the contrasting switch to the uniform price format in US Treasury auctions.
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Paper provided by EconWPA in its series Macroeconomics with number
0511019.
Find related papers by JEL classification: D44 - Microeconomics - - Market Structure and Pricing - - - Auctions E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
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