This paper deals with a portfolio selection problem with independently estimated possibilistic return rates. Under such a circumstance, a distributive investment has been regarded as a good solution in the traditional portfolio theory. However, the conventional possibilistic approach yields a concentrated investment solution. Considering the reason why a distributive investment is advocated, a ...

While the majority of security practice — and spending — is focused on post-development products and enterprise approaches, some have sought to change the focus of security from the networks we manage to the systems we build. The burgeoning Secure Software Engineering (SSE) community has sought to identify and espouse activities, built upon traditional software engineering, that address the int...

This paper explores the general-equilibrium impact of social security portfolio diversiŽ cation into private securities, either through the trust fund or private accounts. The analysis depends critically on heterogeneities in saving, production, assets, and taxes. Limited diversiŽcation weakly increases interest rates, reduces the expected return on short-term investment (and the equity premium...

JEL Bibliographic Code O15, O18, O47, O53 We postulate that inferior factor productivity in China’s noncoastal provinces is a principal reason for their lower economic growth despite high investment rates relative to provincial GDP. We flnd that TFP is roughly twice as high in the coastal provinces and estimate that investment in higher education and foreign direct investment help explain the p...

Although significant private investment is absorbed in different sectors of power systems, transmission sector is still suffering from appropriate private investment. This is because of the pricing policies of transmission services, tariffs, and especially for investment risks. Investment risks are due to the uncertain behaviour of power systems that discourage investors to invest in the transm...

This paper proposes a new medium/long term investment strategy for stock markets based on a combination of Simple Moving Averages Crossover (SMAC) and Moving Average Derivate (MAD). This strategy is compared with the Buy and Hold, with the Moving Averages Crossover, and with the Moving Average Derivate strategy. The experiments show that the combination of SMAC and MAD outperforms the results o...

one of the main functionalities of capital market is to improve liquidityin the market which provides security for the investors. mutual funds aremodern financial institutions which are designed with the aim of collectingfunds from investors and devote them to buy a variety of securities inorder to mitigate investment risks, exploit the economies of scale andfinally create a reasonable return f...

Real estate investment decision-making is an important part of project development, which directly affects the risk level of real estate project development and the return on investment size. Real estate investment has features of high risks and high uncertainty. The failure of real estate investment will not only affect the enterprises’ survival and development, and may even affect the entire ...