abstract- according to article 44 of the i.r. of iran constitution, the iranian economy consists of three sectors; the state, the cooperative, and the private sectors. the aim of this study was to present a hierarchy of criteria for selecting the best economic sector for agricultural development. analytic hierarchy process (ahp) was used to calculate the relative importance of either criteria o...

A macrolevel approach for integrating regional economic models with urban metabolism models is developed. Challenges with consistency and aggregation persist in the integration of urban models between socioeconomic and environmental systems, and between the micro and macro scale. Using an econometric model as a foundation offers a flexible structure, with low data requirements, that might poten...

there are large areas of the world where seismicity is high while they form the whole or parts of urban conglomeration. iran can be literally compared to a large shaking table; various parts of it have been stricken by earthquake in the last four decades(1). tehran is also expected to have a major earthquake in the near future(2). therefore, urban design criteria for earthquake preparedness i...

There are a number of attempt to reveal the structure of globalized world by scholars of urban studies. According to them, the world is structured in a certain way and world cities are formed into a complex spatial hierarchy (Friedmann 1985; Sassen 1991; Taylor and Walker 2001; Derudder et al. 2003). To reveal this structure, Sassen used the location of major producer services to determine the ...

Coastal cities have been at the forefront of China’s economic reform and open-door policy. However, regional differences in cost and income have prompted the government to encourage interior development since the late 1990s. Foreign direct investment (FDI) is one of the most mobile forms of capital and is a key agent of urban spatial transformation in China. This paper examines intra-metropolit...

Known for its ancient metropolises, China has recently amazed the world with its rapid urban development as it enters the new millennium. Although China is still a predominately agrarian society with only 36 percent of its population living in cities in 2000, it has more people living in cities (456 million) than the total population of any other nation in the world except India (National Burea...

cities have hinterlands which depend on various factors such as economic power, population, distance and etc. tehran megalopolis has also numerous hinterlands .tehran as the capital city of the country is considered at the top of urban system hierarchy and has a very special place from economic, political, educational and etc. points of view. all these abilities cause a daily stream of people f...

The increasing level of urbanization growth has created many environmental problems which threaten urban life in the most of developing countries. Many different spatial models are used world wide for urban facility site selection. The most common models such as fuzzy logic, regression, artificial neural network, index overlay and taxonomy which each has its advantages and weaknesses. Today urb...

The problems of distressed urban areas are getting worse year after year. Due to limited resources and Amenities of municipal organizations for solving every problem concerning urban distressed textures, it is essential to determine the priorities of each area based on identified factors and criteria. In distressed areas, there are different circumstances and distinctive citizens with their nee...