The demand for risky investments in areas different from the stock markets has increased enormously due to their recent struggles. On possibility to achieve this, is to take credit risk in exchange for an attractive yield and as a result methodologies for pricing and hedging credit derivatives as well as for risk management of credit risky assets became very important. The efforts of the Basel ...

Introduction During the last thirty years, the financial markets have demonstrated the remarkably dynamic nature of competitive advantage and reward derived from innovative investments in information technology (IT). Pioneers like Batterymarch Financial Management, whose early use of mainframe-based decision support for equity portfolio construction resulted in large profits for the firm, showe...

Conditions and factors that affect the success or failure of investments in information technology (IT) are not well understood. In this paper we explore possible factors that impact the success of IT investments. We use event study methodology to determine successful investments. Among the factors we investigate are those that relate to the operation of the investing firm, such as the use of m...

saffron is one of the most valuable crops and the world's most expensive spice among the plants that suit the particular climates and latitudes with low water requirements, the strategic importance of high social and economic impacts in many producing countries such as afghanistan, that has this feature in particularly high and a special influence in the international market. due to these reaso...

This study introduces the terminology of performance paradox in the context of IT (information technology) investment and use. Although it is somewhat related to the concept of productivity paradox, in the case of performance paradox, the dependent variable (i.e., the measure of performance) is not productivity, but some other measure of performance. This paper presents the results of a study t...

We derive optimal portfolio weights for an investor who has a strong belief on the distribution of the stock price at a future time. That distribution may be in disagreement with standard equilibrium pricing models, and the investor wants to take advantage of the perceived mispricing and attractive risk premium. We compute numerically optimal weights for models in which the investor believes th...

In a chemical cluster, there are a large number of enterprises, which are adjacent, so that their risk not only depends on own risk management strategies, but also on those of all others. With this, how to prevent domino effect is becoming more and more essential. Consider external domino effects, while some enterprises take a certain level of security investment, there is a certain probability...