نتایج جستجو برای: agglomeration

تعداد نتایج: 6129  

2008
Jeff Brinkman

This paper outlines a dynamic model of firm location choice, in an environment which includes both agglomeration effects and stochastic productivity shocks. The model follows closely the methods of Hopenhayn (1992) and his treatment of firm level entry and exit decisions. However, this model adds the complexity of a second location, as well as the existence of spillover effects, or agglomeratio...

2008
Jeffrey P. Cohen

Agglomeration Economies, or production cost savings due to geographic clustering of firms and industries, can enhance the growth and development of firms, industries, regions and cities. We provide an overview of the theory and empirical literature of agglomeration, and highlight several applications from the cost function perspective. These applications include cost savings from density in the...

1995
H. Guillard

SUMMARY To solve a given ne mesh problem, the design of a multigrid method requires the deenition of coarse levels, associated coarse grid operators and inter-grid transfer operators. For non-structured simplicial meshes, these deenitions can rely on the use of non-nested triangulations. Another possibility is to found these deenitions on agglomeration/aggregation techniques in a purely algebra...

2006
Yi Zhang Claire Gu Adam M. Schwartzberg Shaowei Chen Jin Z. Zhang

The observation of an unusual light-induced agglomeration phenomenon that occurs besides the trapping of the gold nanoparticles aggregates (GNAs) has been observed. The observed agglomerate has a 60-100 μm donut-shaped metal microstructure with the rate of formation dependent on the laser power used. In this paper, the forces involved and the mechanism of this further agglomeration phenomenon a...

2005
Marina van Geenhuizen Peter Nijkamp

PN187MvGnew Abstract The present study addresses the relevance of geographic proximity for companies in our age of advanced ICT. Many visions of, and speculations on, an increased footlooseness of companies and a concomitant dispersal of urban economic activity have been published in recent years. To identify whether urban agglomeration economies (in particular, knowledge spillovers) are still ...

2016
A. Barkouti J. A. Carcel E. Dumoulin

Fluidized bed agglomeration is used to produce large and porous dry agglomerates with improved instant properties. Water (or binder solution) is sprayed in the fluidized bed of particles to render their surface sticky. The agglomerate growth results from the repetition of different steps (wetting of the particle surface, particles collision and bridging, and drying) and depends on the processin...

2003
Börje Johansson John M. Quigley

We consider the parallel developments in the economics of agglomeration and the economics of networks. We explore the complementarities between the productivity benefits of agglomeration and those of network linkages, arguing that networks of actors dispersed over space may substitute for agglomerations of actors at a single point. JEL classification: D20, L14, R30

2012
David Castells Quintana Vicente Royuela Mora

The effects of inequality on economic growth depend on several factors. On one hand, they depend on the time horizon considered, on the initial level of income and on its initial distribution. But, on the other hand, as growth and inequality are also uneven across space, it also seems relevant to wonder about the effects of the geographic agglomeration of economic activity. Moreover, it seems r...

2010

Purpose: This paper identifies those attributes of created and evolved retail agglomeration formats that have a substantial impact on overall attractiveness from the consumers' point of view. From an agglomeration management perspective primary areas of concern are identified and suggestions to increase the competitiveness of diverse agglomeration formats are presented. Design/methodology: Thro...

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