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Dynamic pricing in a reputation‐brokered agent‐mediated marketplace

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  • Giorgos Zacharia
  • Theodoros Evgeniou
  • Pattie Maes

Abstract

We describe an agent‐mediated marketplace, with dynamically changing reputation ratings. In this marketplace, the seller reputations are updated in a collaborative fashion based on the performance of the user in the delegated tasks. We study the market with computer simulations of multiagent interactions, where sellers learn how to price their services dynamically. We first present some simple dynamic pricing methods and we investigate the different equilibria reached, based on the level of intelligence of the selling agents, the level of price–importance elasticity of the buying agents, and the level of unemployment in the marketplace. We then compare the equilibria reached with a theoretically ‘optimal’ equilibrium that we show to exist. Based on the results of this comparison we design a new dynamic pricing algorithm that we experimentally show to be almost optimal for reputation‐brokered agent‐mediated marketplaces. Copyright © 2000 John Wiley & Sons, Ltd.

Suggested Citation

  • Giorgos Zacharia & Theodoros Evgeniou & Pattie Maes, 2000. "Dynamic pricing in a reputation‐brokered agent‐mediated marketplace," Intelligent Systems in Accounting, Finance and Management, John Wiley & Sons, Ltd., vol. 9(4), pages 271-286, December.
    • Handle: RePEc:wly:isacfm:v:9:y:2000:i:4:p:271-286
    DOI: 10.1002/1099-1174(200012)9:43.0.CO;2-1
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    References listed on IDEAS

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    1. Nash, John, 1950. "The Bargaining Problem," Econometrica, Econometric Society, vol. 18(2), pages 155-162, April.
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