An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements

Sun N, Yang Z (2014) Center for Mathematical Economics Working Papers; 523.
Bielefeld: Center for Mathematical Economics.

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Working Paper | Published | English
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Abstract
We propose a dynamic auction mechanism for efficiently allocating multiple heterogeneous indivisible goods. These goods can be split into two distinct sets so that items in each set are substitutes but complementary to items in the other set. The seller has a reserve value for each bundle of goods and is assumed to report her values truthfully. In each round of the auction, the auctioneer announces the current prices for all items, bidders respond by reporting their demands at these prices, and then the auctioneer adjusts simultaneously the prices of items in one set upwards but those of items in the other downwards. We prove that although bidders are not assumed to be price-takers and thus can strategically exercise their market power, this dynamic auction always induces the bidders to bid truthfully as price-takers, yields an efficient outcome and also has the merit of being a detail-free, transparent and privacy preserving mechanism.
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Sun N, Yang Z. An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements. Center for Mathematical Economics Working Papers. Vol 523. Bielefeld: Center for Mathematical Economics; 2014.
Sun, N., & Yang, Z. (2014). An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements (Center for Mathematical Economics Working Papers, 523). Bielefeld: Center for Mathematical Economics.
Sun, N., and Yang, Z. (2014). An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements. Center for Mathematical Economics Working Papers, 523, Bielefeld: Center for Mathematical Economics.
Sun, N., & Yang, Z., 2014. An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements, Center for Mathematical Economics Working Papers, no.523, Bielefeld: Center for Mathematical Economics.
N. Sun and Z. Yang, An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements, Center for Mathematical Economics Working Papers, vol. 523, Bielefeld: Center for Mathematical Economics, 2014.
Sun, N., Yang, Z.: An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements. Center for Mathematical Economics Working Papers, 523. Center for Mathematical Economics, Bielefeld (2014).
Sun, Ning, and Yang, Zaifu. An Efficient and Strategy-Proof Double-Track Auction for Substitutes and Complements. Bielefeld: Center for Mathematical Economics, 2014. Center for Mathematical Economics Working Papers. 523.
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