Ordered Random Vectors and Equality in Distribution

23 Pages Posted: 12 Jan 2013

See all articles by Ka Chun Cheung

Ka Chun Cheung

The University of Hong Kong

Jan Dhaene

Katholieke Universiteit Leuven

Alexander Kukush

Catholic University of Leuven (KUL)

Daniël Linders

University of Illinois

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Date Written: January 11, 2013

Abstract

In this paper we show that under appropriate moment conditions, two supermodular ordered random vectors with equal expected utilities (or distorted expectations) of the sums for an appropriate utility (or distortion) function, must necessarily be equal in distribution. The results in this paper can be considered as generalizations of the results of Cheung (2010), who presents necessary conditions for a random vector to be comonotonic, using the distribution of the sum.

Keywords: supermodular order, concordance order, expected utility, distorted expectation, comonotonicity

Suggested Citation

Cheung, Ka Chun and Dhaene, Jan and Kukush, Alexander and Linders, Daniël, Ordered Random Vectors and Equality in Distribution (January 11, 2013). Available at SSRN: https://ssrn.com/abstract=2199387 or http://dx.doi.org/10.2139/ssrn.2199387

Ka Chun Cheung

The University of Hong Kong ( email )

Pokfulam Road
Hong Kong, Pokfulam HK
China

Jan Dhaene

Katholieke Universiteit Leuven ( email )

Naamsestraat 69
Leuven, 3000
Belgium

Alexander Kukush

Catholic University of Leuven (KUL) ( email )

Leuven, B-3000
Belgium

Daniël Linders (Contact Author)

University of Illinois ( email )

306 Altgeld Hall,
1409 West Green Street
Champaign, IL 61822
United States