The paper deals with issues associated with identification of stocks generating abnormal returns. Following the findings of a finance theory regarding portfolio tilting, a set of price-related stocks' attributes was analyzed. The analysis was conducted with the help of rough sets methodology...

The paper describes the MCDM modeling framework can be extended to account for the notion of regret. The Non-regrettable decisions are generated in accordance with a DM's regret attitude which is established through an analysis of the trade-offs. Decisional validity of a proposed modeling...

The paper describes the use of trade-off information to create effective stock portfolio characterized by the desired values of selected stock attributes. The basic notions behind such a process of portfolio creation are discussed and related to multi attribute analysis which is done by...

This paper attempts to identify characteristics of biodiversity and other (forest) ecosystem conditions that are considered essential for a description of ecosystem functioning and development of sustainable forest management practices in the Siberian forests. This is accomplished through an...

In interactive programming, a choice behavior of the decision maker may differ depending on a proximity of current solution to satisfactory values of the objectives. An interactive approach proposed in this paper allows the decision maker to use different search principles depending on his/her...