How the investors react to the received information plays a crucial role in determining the return of stock exchange market. Supply and demand based upon incorrect decisions lead to the price deviation of inherent values. This paper aims to study the impact of salience phenomenon on disproportionate pricing and investor overreaction in the corporates in Tehran stock exchange. Research methodolo...

the conventional theory of adverse selection is not supported by most of the empirical works. these studies conclude that low-risk individuals demand more insurance services than high-risks. they refer to this situation as advantageous selection theory. this theory states that loss ratio of insureds may be lower than the population loss ratio while the conventional theory of adverse selection c...

Portfolio optimization under downside risk while preserving the upside is of crucial importance to asset managers. In the Black-Scholes setting, we consider one such particular measure given by the notion of capital-at-risk. This paper generalizes the work of Emmer et al., 2001, to the case of time dependent parameters and investment strategies, i.e., continuous-time portfolio optimization, and...

The present paper thoroughly explores second-best efficient allocations in an insurance economy with adverse selection. We start with a natural extension of the classical model, assuming less than perfect risk perception. We characterize the constraints on efficient redistribution, and we summarize the incidence of incentive constraints on the economy with the notions of weak and strong adverse...