Do core-selecting Combinatorial Clock Auctions always lead to high efficiency? An experimental analysis of spectrum auction designs

Martin Bichler (), Pasha Shabalin () and Jürgen Wolf ()

Experimental Economics, 2013, vol. 16, issue 4, 545 pages

Abstract: For many years the Simultaneous Multi-Round Auction (SMRA) has been the primary auction design for spectrum sales worldwide. Recently, the core-selecting Combinatorial Clock Auction (CCA) has been used as an alternative to the SMRA in a number of countries promising strong incentives for truthful bidding and high efficiency as a result. We analyze the efficiency and auctioneer revenue of the CCA in comparison to SMRA and examine bidding behavior in both formats. The experiments are based on two value models, which resemble single- and multiband spectrum sales in the field. Such applications often allow for thousands of possible bundles. Bidders in the CCA submitted bids for only a fraction of all bundles with a positive valuation. Bundles were selected based on synergies and payoff after the primary bid rounds. As a consequence, we found efficiency of the CCA to be significantly lower than that of SMRA in the multi-band value model and auctioneer revenue of the CCA to be lower in both value models. In addition, we characterize several properties of the auction format, which result from the two-stage design and the payment and activity rules. Copyright Economic Science Association 2013

Keywords: Auctions; Lab experiments; Group behavior; Individual behavior; C91; C92; D44 (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (33)

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DOI: 10.1007/s10683-013-9350-3

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