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This paper investigates necessary conditions for an equilibrium to exist on a reinsurance market with short sale constraints. It establishes that, equilibrium, there exists an equivalent probability measure under which the reinsurance premium is the compensator of the jump process describing the...
Persistent link: https://www.econbiz.de/10005475323
Ce travail est constitue de deux parties. Dans un premier temp, nous etudions un modele ou les actifs sont des projets d'investissements decrits par leurs flux. Ceux-ci sont modelises par des processus stochastiques dont la dynamique est decrite par un arbre binomial. Les investissements ont la...
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An agent's optimization problem of the expected terminal wealth utility in a trinomial tree economy is solved. At each transaction date, the agent can trade in a riskless asset, a primitive asset subject to constant proportional transaction costs, and a contingent claim characterized by some...
Persistent link: https://www.econbiz.de/10005471860
Under some minimal assumptions on the price functional, we prove that the prices of the contingent claim are necessarily in some minimal interval.
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This paper deals with market models where there is no compatible positive state price density.
Persistent link: https://www.econbiz.de/10005780754
Dans ce travail, nous proposons un cadre general pour les modeles discrets et finis. Tout d'abord, nous montrons un resultat d'absence d'arbitrage. Puis, nous l'appliquons afin de retrouver les resultats deja connus sur les couts de transaction et les contraintes de vente a decouvert, pour des...
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