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The Strategic Impact of Pace in Double Auction Bargaining

Listed author(s):
  • Steven Gjerstad

    (University of Arizona)

This paper evaluates performance of human subjects and instances of a bidding model that interact in continuous ­time double auction experiments. Asks submitted by instances of the seller model (``automated sellers'') maximize the seller's expected surplus relative to a heuristic belief function, and arrive stochastically according to an exponential distribution. Automated buyers are similar. Across experiment sessions we vary the exponential distribution parameters of automated sellers and buyers in order to assess the impact of the relative pace of asks and bids on the performance of both human subjects and the automated sellers and buyers. In these experiments, prices converge and allocations converge to efficiency, yet the split of surplus typically differs significantly from the equilibrium split. In order to evaluate the impact of pace, a statistical model is developed in which the relative performance of sellers to buyers is examined as a function of the profile of types present in each experiment session. This econometric model demonstrates that (1) human buyers outperform human sellers, (2) automated sellers and buyers with a longer expected time between asks or bids outperform faster automated sellers and buyers, and (3) the performance of the faster automated buyers is comparable to that of human buyers.

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Paper provided by EconWPA in its series Microeconomics with number 0304001.

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Length: 36 pages
Date of creation: 04 Apr 2003
Handle: RePEc:wpa:wuwpmi:0304001
Note: Type of Document - PDF (from LaTeX ); prepared with MikTeX on IBM PC; to print on HP/PostScript/; pages: 36 ; figures: included
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  1. Daniel Friedman, 1982. "Price Formation in Double Auction Markets," UCLA Economics Working Papers 278, UCLA Department of Economics.
  2. Gjerstad, Steven & Dickhaut, John, 1998. "Price Formation in Double Auctions," Games and Economic Behavior, Elsevier, vol. 22(1), pages 1-29, January.
  3. Easley, David & Ledyard, John., "undated". "Theories of Price Formation and Exchange in Double Oral Auctions," Working Papers 611, California Institute of Technology, Division of the Humanities and Social Sciences.
  4. Gode, Dhananjay K & Sunder, Shyam, 1993. "Allocative Efficiency of Markets with Zero-Intelligence Traders: Market as a Partial Substitute for Individual Rationality," Journal of Political Economy, University of Chicago Press, vol. 101(1), pages 119-137, February.
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