and mean-Variance preferences. The first part of this thesis analyses a decision model in which the decision maker forms …

existence of an equivalent martingale measure. We also show that the only arbitrage-free pricing rules on the set of attainable …

In securities markets, the characterization of the absence of arbitrage by the existence of state price deflators is ….M., 1981. Arbitrage and equilibrium in economies with infinitely many commodities. Journal of Mathematical Economics 8, 15 …-like condition”.We apply this result to the characterization of the no-arbitrage assumption in a general intertemporal framework. …

expect of them a valuation method, or a new way of thinking? This text aim to answer to these questions. It gives some … precision on the analogy between real and financial options, it shows how the optional valuation gives an answer to the limits … exposes the conditions of their existence and the difficulties of their valuation. …

This paper presents a simple framework for the use of traditional capital budgeting models and the valuation of several … analysis extends the models in Bellalah (1999, 2001) for the valuation of real options within information uncertainty. We … present valuation models and simulations for the values of common real options in the presence of shadow costs of incomplete …