We consider a simple multi-asset discrete-time model of a currency market with transaction costs assuming the finite number of states of the nature. Defining two kinds of arbitrage opportunities we study necessary and sufficient conditions for the absence of arbitrage. Our main result is a natural extension of the Harrison-Pliska theorem on asset pricing. We prove also a hedging theorem without supplementary hypotheses. (C) 2001 Elsevier Science B.V. All rights reserved.
机构:
Univ Maryland, Robert H Smith Sch Business, Finance, College Pk, MD 20742 USAUniv Maryland, Robert H Smith Sch Business, Finance, College Pk, MD 20742 USA
机构:
Univ New S Wales, Sch Actuarial Studies, Sydney, NSW, AustraliaUniv New S Wales, Sch Actuarial Studies, Sydney, NSW, Australia
Wong, Bernard
Heyde, C. C.
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Australian Natl Univ, Inst Math Sci, Canberra, ACT, Australia
Columbia Univ, Dept Stat, New York, NY USAUniv New S Wales, Sch Actuarial Studies, Sydney, NSW, Australia