نتایج جستجو برای: anion agglomeration

تعداد نتایج: 39596  

1994
Barnali Gupta Debashis Pal Robert Drago Jonathan Hamilton John Heywood William Holahan

Recent work suggests that Cournot oligopolists competing in a spatial model, with a uniform distribution of consumers, agglomerate in the center of the market. In this paper we analyze the robustness of this result with a general symmetric distribution of consumers and show that if the population density is "too thin" at the center of the market, then Cournot competition does not yield spatial ...

2008
Marigee Bacolod

This paper considers the role of soft skills in cities and industry clusters. It begins by specifying a model of agglomeration economies where soft skills allow agents to interact more productively. The model exposes two conflicting forces: agglomeration allows opportunities to interact, but it also produces thick, specialized markets, and this specialization can be a substitute for interaction...

2010
LIU Ke

The integrated development of central Henan urban agglomeration is a significant strategy of economic and social development for Henan Provence. This paper summarized the thoughts and exerting point of integrated development of central Henan urban agglomeration, and analyzed the existing issues during the integrated development of central Henan urban agglomeration. For example, the integrated d...

2008
William R. Kerr

The ethnic composition of US inventors is undergoing a signi…cant transformation — with deep impacts for the overall agglomeration of US innovation. This study applies an ethnic-name database to individual US patent records to explore these trends with greater detail. The contributions of Chinese and Indian scientists and engineers to US technology formation increase dramatically in the 1990s. ...

2014
P. Ninduangdee V. I. Kuprianov

Palm kernel shell is an important bioenergy resource in Thailand. However, due to elevated alkali content in biomass ash, this oil palm residue shows high tendency to bed agglomeration in a fluidized-bed combustion system using conventional bed material (silica sand). In this study, palm kernel shell was burned in the conical fluidized-bed combustor (FBC) using alumina and dolomite as alternati...

Journal: :International journal of occupational medicine and environmental health 2013
Małgorzata Kowalska Felix Danso Maria Humeniuk Elżbieta Kułak Hubert Arasiewicz

OBJECTIVES The aim of this paper is to identify the factors that determine the environmental domain of quality of life in economically active adults living in the industrial agglomeration in Poland. MATERIALS AND METHODS During the cross-sectional epidemiological study conducted among the economically active population aged 45-60, we used a short version of the WHOQOL-BREF questionnaire. Resp...

2010
Juan Alcácer Wilbur Chung R. H. Smith

Geographically concentrated industry activity creates pools of skilled labor and specialized suppliers, and increases opportunities for knowledge spillovers. The strategic value of these agglomeration economies may vary by firm, depending upon the relative value of each economy, and upon firm and agglomeration economy traits. To better determine when a firm will be attracted to agglomeration ec...

2015
Heeyon Kim

National identity is an important magnetic force that draws individuals and organizations to co-locate in the same geographic areas in foreign countries, thus providing a fertile socio-economic context for relationship formation and other social exchanges. Whether the focus is on individuals such as Chinese immigrants in Metropolitan cities (Zhou & Logan, 1989) or organizations such as Korean f...

2003
Satyajit Chatterjee

www.phil.frb.org Business Review Q4 2003 7 www.phil.frb.org employment in the U.S. is located in metropolitan areas, and these areas account for 24 percent of the total land area of the country. Why is employment so heavily concentrated in selected areas of the country? Economists think that spatial concentration of employment (or, more generally, economic activity) develops for two very differ...

2012
Cheng-Yi Xia

Nowadays, our society is characterized by high levels of social cohesion and cooperation that are in contrast with the selfish nature of human beings. One of the principal challenges for the social sciences is to explain the emergence of agglomeration and cooperative behavior in an environment characterized by egoistic individuals. In this paper we address this long standing problem with the to...

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