and after the acceptance of a project. The last essay, Investor Sentiment and Optimal Portfolio Selection, analyzes how … the investor sentiment affects the nature and composition of the optimal portfolio as well as the performance measures …. Results suggest that the choice of the investor sentiment completely changes the portfolio composition, i.e., the high …

difficult issues to resolve. Up to now there has been no easy and reliable way to compare the risk of one stock or portfolio … with another stock or portfolio measured as of the time the investment decision in question was made. As I argued in an … elegant and fine-grained measure of risk for a stock or portfolio that can be computed with readily available data and used to …

two questions from the decision making literature. First, what determines how much uncertainty a firm has when investing … data, support was found for the Bounded Rationality hypothesis; firms have less uncertainty about an acquisition … hypothesis; firms whose prior machines perform below aspiration levels seek more uncertainty in their subsequent acquisitions …

. Facing uncertainty about customer types, the firm can gradually learn using observed service costs realized from recent …

degree of task uncertainty during inter-firm product development. Using successfully applied patents in automobile emission … knowledge base in component and architectural knowledge increased under higher task uncertainty respectively. This finding …

face uncertainty about output price and quantity. Using our estimation results we simulate the effects on cotton production …