Tuesday, February 14, 2012

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AcasăProiectarea mecanismului

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Proiectarea mecanismului

Diagrama Stanley Reiter
Diagrama Stanley Reiter de mai sus ilustrează un joc al proiectării mecanismului. Partea de sus stânga Θ arată spaţiul tip iar partea de sus dreapta spaţiul X al rezultatelor. Funcţia de selecţie socială f(θ) mapează un profil tip pentru un rezultat. În jocurile de proiectare a mecanismului, agenţii trimit mesaje M într-un mediu de joc g. Echilibrul în joc ξ(M,g,θ) poate fi proiectat pentru a implementa funcţia de selecţie socială f(θ).

Proiectarea mecanismului (numit uneori şi teoria jocului inversat[1]) este un domeniu al teoriei jocului care studiază conceptele de soluţie pentru o clasă de jocuri de informaţii private. Caracteristicile distinctive ale acetor jocuri sunt:

  • un "proiectant" al jocului alege o nouă structură a jocului mai degrabă decât o moşteneşte
  • proiectantul este interesat în rezultatul jocului

Un astfel de joc este denumit "proiectarea mecanismului jocului" şi este de obicei soluţionat prin motivarea agenţilor pentru a divulga informaţiile lor private. Premiul Nobel pentru Economie în 2007 a fost acordat lui Leonid Hurwicz, Eric Maskin, şi Roger Myerson pentru "contribuţii la fondarea teoriei proiectării mecansimului".[2]

Note

  1. ^ "Multiagent Systems", de la Universitatea din Amsterdam.
  2. ^ Nobel Foundation (October 15, 2007). "The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2007". Press release.

Referinţe

  • Chapter 7 of Fudenberg, Drew; Tirole, Jean (1991), Game Theory, Boston: MIT Press, ISBN 978-0262061414, A standard text for graduate game theory.
  • Chapter 23 of Mas-Colell; Whinston; Green (1995), Microeconomic Theory, Oxford: Oxford Press, ISBN 978-0195073409, A standard text for graduate microeconomics.
  • Milgrom, Paul (2004), Putting Auction Theory to Work, New York: Cambridge University Press, ISBN 978-0-521-55184-7,  Applications of mechanism design principles in the context of auctions.
  • Noam Nisan. A Google tech talk on mechanism design.
  • Roger B. Myerson (2008). "mechanism design," The New Palgrave Dictionary of Economics Online, Abstract.

(Traducere şi adaptare din Wikipedia sub licenţa GNU)

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