governmental contracts have an important place in the financial and economic system.because the transfer of funds generally is done by contracts. in other hand because of governmental economic system in our country and concentration of capital in this section, the governmental contracts has greater importance.therefore the special monitoring on various stages of contract from foundation to impl...

analyzing spatial planning system in different countries could help make appropriate decisions to improve functional system of planning in our country. belgium, inspite of its limited area, has a unique planning system which is derived from political and social condition. belgium has a federal system which is composed of three cultural societies and three economic regions. spatial planning is i...

It is shown in this paper how complex economie dynamics can be characterized using the statistical or distributionai theory of dynamical systems. The basic concepts of the lat ter are summarized. Then applications to supply and demand adjustments in competitive markets, aggregate business fluctuations and economic growth in the very long run are briefly reviewed. 1. Chaos, Measure and Escape 2....

This article presents a theoretical model for a dynamic system based on sustainable development. Due to the relatively absence of theoretical studies and practical issues in the area of sustainable development, Romania aspires to the principles of sustainable development. Based on the concept as a process in which economic, social, political and natural environment are combined in order to sust...

Perturbation and matched asymptotic expansion methods are shown to be useful to the study of land economics. In the context of residential land management theory, the present study complements a previous analysis of locational equilibrium economic models for residential land in Wan [1977] and extends it beyond absentee ownership to include public ownership and mixed ownership. The dependence of...

What determines the technology that a country adopts? While there could be many factors, the e¢ ciency of the country’s …nancial system may play a signi…cant role. To address this question, a dynamic contract model is embedded into a general equilibrium setting with competitive intermediation. The ability of an intermediary to monitor and control the cash ‡ows of a …rm plays an important role i...

trade secrets has an important role in economic growth and development of economic competition. however ,one of the challenges in this sphere is the emergence of economice spionag. increasing growth of economic espionage causes to emerge a new phenomenon which is called information terrorism. so the mechanism of protection of the trade secretsincivil and criminal law is necessary for economic g...

Regional Innovation System(RIS) is a new model for regional development and it could be a new means for a balanced economic development in a nation. This paper investigates the concept, definition and development process of RIS and the application of RIS in Korea. Characteristics of RIS are introduced, mainly based on existing studies. The application cases in Europe, US and Japan are discussed...