关于产业集群的几篇英文文献

BRAINPOWER
Within the Washington Metropolitan area, Arlington,
Virginia leads the region on nearly every dimension:
• At the heart of the national science
research cluster, represented by both
the government defense and securityrelated
extramural research institutes
and the National Science Foundation,
Arlington has the highest concentration
of both private and public
physical, engineering and
biological research employment
in the region, at a
rate six times higher than
the nation with a location
quotient of 6.44.
• The most concentrated
research industry sector in
the region is the social
science and humanities research cluster. Arlington
ranks third in the region, with a concentration
in this sector of more than ten times the national
average and a location quotient of 10.08.
• More life, physical and social scientists,
as well those engaged in legal occupations
reside in Arlington than anyplace
else. Arlington ranks second in business
and financial occupations,
second in arts, design, entertainment;
and second in sports
and media occupations. In
addition, Arlington’s
location quotient for
computer and mathematical
occupations is 3.50.
• Arlington has the highest
educational levels in the
region: two-thirds of all
adults in Arlington have
received a Bachelors degree and some 36
percent have earned an advanced degree.
The Washington Metropolitan area has a disproportionately high concentration of employment in the
physical, engineering and biological research and the social science and humanities research industry
sectors. It also has the second highest absolute number of persons employed in life, physical and social
science occupations, with the highest median hourly wage among all major metropolitan areas. The region
also has the highest educated population, leading the nation in knowledge workers.
A SNAPSHOT OF THE PHYSICAL AND SOCIAL SCIENCE AND
RESEARCH INDUSTRIES AND OCCUPATIONS IN ARLINGTON, VIRGINIA
AND THE WASHINGTON, D.C. METROPOLITAN REGION

ECONOMIC AND SOCIAL COMMISSION FOR WESTERN ASIA

METHODOLOGY FOR THE ASSESSMENT OF　COMPETITIVENESS OF SELECTED　EXISTING INDUSTRIES

Agglomeration and Co-Agglomeration of Services Industries
Jed Kolko*
Public Policy Institute of California
April 2007

ABSTRACT
Economic research on industry location and agglomeration has focused nearly
exclusively on manufacturing. This paper shows that services are prominent among the
most agglomerated industries, especially at the county level. Because traditional
measures of knowledge spillovers, natural resource inputs, and labor pooling explain
little of agglomeration in services industries, this paper takes an alternative approach and
looks at co-agglomeration to assess why industries cluster together. By considering the
location patterns of pairs of industries instead of individual industries, the traditional
agglomeration explanations can be measured more richly, and additional measures – like
the need to locate near suppliers or customers – can be incorporated.
The results show that co-agglomeration between pairs of services industries is
driven by knowledge spillovers and the direct trading relationship between the industries,
especially at the zip code level. Information technology weakens the need for services
industries to co-agglomerate at the state level, perhaps because electronic transport of
services outputs lowers the value of longer-distance proximity. These results are in sharp
contrast to results for manufacturing, for which labor pooling contributes most to coagglomeration,
and the direct-trading relationship contributes more to state-level coagglomeration.
These differences between services and manufacturing are consistent with
simple models of transport costs.

版主辛苦了。
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下载了，谢谢楼主和版主！

只能说谢谢了

正需要，谢谢了

看一看！多谢楼主

这样的楼主太少见，非常感谢！

谢谢楼主了 我现在需要这方面的材料

谢谢。。。太好了~~