The theory of existence of equilibrium with short-selling is reconsidered under risk and ambiguity modelled by risk … of the risk adjusted sets of expectations overlap. This condition is necessary if agents are not risk neutral at extreme … compatible trades, with non negative expected value with respect to any risk adjusted prior, strictly positive for some agent and …

Despite recent discoveries of embezzlement and excessive risk taking in subsidiary companies of several large French … disseminates the responsibilities. By the way, the directors are in a situation of dependence vis-à-vis a risk which they discover …

In financial economics risk-return tradeoffs show how expected rates of return and consequently asset prices are altered …: (i) Present some of the recent literature that is concerned with the effect of long run risk on returns and prices. (ii …) Develop an analytical structure that reveals the long-run risk-return relationship in nonlinear continuous time Markov …

controlled by online second-hand dealers on perceived risk. While the literature review suggests using the signaling theory …Despite the influence of perceived risk on the decision to buy a second-hand product, very few studies address the … issue of risk reduction for a second-hand purchase. In this study, we focus on the influence of product or situational cues …

outlook for the risk evaluation in investment choice. Measurement tools form the main development in investment literature …

performance and risk very differently, especially for companies with significant exposure to changes in fair values of financial … 2005 to 2006, and test the risk-relevance of these different volatility measures. We find that for the average bank, the … rate risk, is more closely associated with comprehensive income volatility than either net income volatility or fair value …

inducing people to increasingly take the risk of HIV-infection and hence causing a rise in HIV prevalence. We provide a simple … model to stress on the e ects of an increase in income risk in the incentives for protection. We test the prediction using a … Africa is lifted. Additional nding states that the risk taking of HIV-infection increases when the individuals are facing …