Chance-constrained games with mixture distributions
2021 (English)In: Mathematical Methods of Operations Research, ISSN 1432-2994, E-ISSN 1432-5217, Vol. 94, no 1, p. 71-97Article in journal (Refereed) Published
Abstract [en]
In this paper, we consider an n-player non-cooperative game where the random payoff function of each player is defined by its expected value and her strategy set is defined by a joint chance constraint. The random constraint vectors are independent. We consider the case when the probability distribution of each random constraint vector belongs to a subset of elliptical distributions as well as the case when it is a finite mixture of the probability distributions from the subset. We propose a convex reformulation of the joint chance constraint of each player and derive the bounds for players’ confidence levels and the weights used in the mixture distributions. Under mild conditions on the players’ payoff functions, we show that there exists a Nash equilibrium of the game when the players’ confidence levels and the weights used in the mixture distributions are within the derived bounds. As an application of these games, we consider the competition between two investment firms on the same set of portfolios. We use a best response algorithm to compute the Nash equilibria of the randomly generated games of different sizes.
Place, publisher, year, edition, pages
Springer Nature , 2021. Vol. 94, no 1, p. 71-97
Keywords [en]
Chance-constrained game, Mixture of elliptical distributions, Nash equilibrium, Portfolio, Competition, Game theory, Investments, Mixtures, Chance constraint, Chance-constrained, Confidence levels, Elliptical distributions, Investment firms, Mixture distributions, Noncooperative game, Random constraints, Probability distributions
National Category
Economics
Identifiers
URN: urn:nbn:se:kth:diva-310713DOI: 10.1007/s00186-021-00747-9ISI: 000678470800001Scopus ID: 2-s2.0-85111537383OAI: oai:DiVA.org:kth-310713DiVA, id: diva2:1651827
Note
QC 20220413
2022-04-132022-04-132022-06-25Bibliographically approved