Please use this identifier to cite or link to this item: https://repositorio.insper.edu.br/handle/11224/3973
Type: Artigo Científico
Title: Pricing rules and arrow – debreu ambiguous valuation
Author: Araujo, Aloisio
Chateauneuf, Alain
Faro, José Heleno
Publication Date: 2012
Original Abstract: This paper considers pricing rules of single-period securities markets with finitely many states. Our main result characterizes those pricing rules C that are super-replication prices of a frictionless and arbitrage-free incomplete asset structure with a bond. This characterization relies on the equivalence between the sets of frictionless securities and securities priced by C. The former captures securities without bid-ask spreads, while the second captures the class of securities where, if some of its delivers is replaced by a higher payoff, then the resulting security is characterized by a higher value priced by C. We also analyze the special case of pricing rules associated with securities markets admitting a structure of basic assets paying one in some event and nothing otherwise. In this case, we show that the pricing rule can be characterized in terms of capacities. This Arrow–Debreu ambiguous state price can be viewed as a generalization for incomplete markets of Arrow–Debreu state price valuation. Also, some interesting cases are given by pricing rules determined by an integral w.r.t. a risk-neutral capacity. For instance, incomplete markets of Arrow securities and a bond are revealed by a Choquet integral w.r.t. a special risk-neutral capacity.
Keywords in original language : Pricing rule
Frictionless incomplete market
Ambiguity
State price
Capacity
Lehrer integral
Choquet integral
Language: Inglês
CNPq Area: Ciências Sociais Aplicadas
URI: https://link.springer.com/article/10.1007/s00199-011-0660-4
Copyright: O INSPER E ESTE REPOSITÓRIO NÃO DETÊM OS DIREITOS DE USO E REPRODUÇÃO DOS CONTEÚDOS AQUI REGISTRADOS. É RESPONSABILIDADE DOS USUÁRIOS INDIVIDUAIS VERIFICAR OS USOS PERMITIDOS NA FONTE ORIGINAL, RESPEITANDO-SE OS DIREITOS DE AUTOR OU EDITOR
Appears in Collections:Coleção de Artigos Científicos

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