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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Comparison of double auction bidding strategies for automated trading agents
 Vach, Daniel ; Maršál, Aleš (advisor) ; Burda, Martin (referee)
Comparison of double auction bidding strategies for automated trading agents Bc. Daniel Vach Absctract In this work, ZIP, GDX, and AA automated bidding strategies are compared in symmetric agent-agent experiments with a variable composition of agent population. ZIPOJA, a novel strategy based on ZIP with Oja's rule extension for updating its optimal price, is introduced. Then it is showed that ZIPOJA underperforms in competition against other strategies and that it underperforms even against the original ZIP. Dominance of AA over GDX and ZIP is questioned and it is showed that it is not robust to composition changes of agent population and that the experimental setup strongly affects the results. GDX is a dominant strategy over AA in many experiments in this work in contrast to the previous literature. Some mixed strategy Nash equilibria are found and their basins of attraction are shown by dynamic analysis.
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Creating bidding strategies for double auction markets using the genetic programming
 Hudec, Tobiáš ; Pilát, Martin (advisor) ; Šmíd, Jakub (referee)
Computational economics investigates economic phenomena by computer simulations. For these simulations it needs computer programs which can simu- late behaviour of people. It is possible to use artificial intelligence to simulate behaviour of people. We investigate ways of using a type of artificial intelligence called genetic programming in a trading system called double auction. We de- vise a modification of genetic programming in order to improve its performance in double auction. We experimentally verify whether trading controlled by ge- netic programming has properties that we would expect from trading conducted by people. It turns out that genetic programming approximates behaviour of pe- ople well, and is therefore a feasible tool for computational economics. 1
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