in every society the optimal performance of economic system is depened upon two efjkient, powerful and administered sections: real and financial. the existence of different institutions in financial markets make different financial instruments available to real section. investment companies are among active financial institutions which collect small amounts ofcapital by selling thier shares and...

This work presents some issues concerning the utilization of the AGAP system (Aid to Groups of Analysis and evaluation of Projects). The AGAP is a group decision support system (GDSS) that was developed (at the Faculty of Economics of the University of Coimbra) as a distributed system allowing multiple decision makers to cooperate in order to evaluate and select investment projects. This work r...

Despite the widespread use of monolithic construction, precast concrete remains in demand construction residential and administrative buildings. Regardless advantages technology quality work, it is necessary appropriate to modernize existing design solutions, which allows you simplify speed up technological operations during construction. Moreover, complex nodes joints, qualification workers im...

This paper discusses a GIS based decision support system that supports the petroleum upstream investment decision-making. Functions of prospect screening and evaluation in both technical aspects (Volume, structure, trap, reservoir and charge, etc.) and economic aspects (Net present value, Investment / profit Ratio, etc.) are designed and integrated into a GIS platform to supports and facilitate...

in this paper, the study deals with the lead time and setup reduction problem in the vendor-purchaser integrated inventory model. the cost of capital (i.e., opportunity cost) is one of the key factors in making the inventory and investment decisions. lead time is an important element in any inventory system. the proposed model is presents an integrated inventory model with controllable lead tim...

In this article, an imperfect vendor–buyer inventory system with stochastic demand, process quality control and learning in production is investigated. It is assumed that there are learning in production and investment for process quality improvement at the vendor’s end, and lot-size dependent lead-time at the buyer’s end. The lead-time for the first batch and those for the rest of the batches ...

China’s pension system is facing a large gap of more than one trillion RMB. The investment efficiency of the social security fund therefore receives widespread attention in academic circles. We collected data of stocks held by the Chinese National Council for Social Security Fund (CNCSSF) from 2004 to 2012 to research the stocks’ investment efficiency, distinguishing between direct investment b...

The recent global financial crisis once again revealed the harmful effects of interest-based contracts in the conventional financial system. Islamic finance, as an alternative financial system, discourages interest rate and debt financing. This paper investigates the effects of two financial systems, namely the conventional and Islamic systems, on macroeconomic variables. To achieve this goal, ...

Stock investment has become an important investment activity in Thailand. However, investors usually got loss because of unclear investment objective and blind investment. Therefore, a good investment decision support system to assist investors in making good decisions has become an important research problem. Thus, this paper introduces an intelligent decision-making model, based on the applic...