Instructor’s Manual
ii. Proximity facilitates knowledge transfer. The exchange of complex or tacit
knowledge typically requires frequent and close interaction. Proximity influences a firms’
willingness to exchange knowledge and firms’ ability to develop common ways of
understanding and articulating knowledge.
iii. Knowledge is held, to a large extent, in people, and people tend to be reluctantly
mobile. As a result knowledge tends to be regionally localized. For example, Annalee Saxenian
found that engineers in Silicon Valley were more loyal to their craft than to any particular
company, but they were also very likely to stay in the region even if they changed jobs.
iv. Successful firms create a valuable labor pool that is attractive to new firms that
desire similar labor skills.
e. The increase in employment and tax revenues in the region can lead to improvements in
infrastructure (such as roads and utilities) schools, and other markets that service the population.
f. The benefits firms reap by clustering together in close proximity are known as
“agglomeration economies.”
g. The downsides to geographical clustering are that competition between the firms may
reduce their pricing power, increase the possibility of competitors gaining access to each others’
proprietary knowledge. Clustering can also lead to traffic congestion, high housing costs, and
higher concentrations of pollution.
h. Studies have shown that the degree to which innovative activities are geographically
clustered depends on things such as: the nature of the technology, industry characteristics,
and the cultural context of the technology (e.g. population density of labor or customers),
infrastructure development, or national differences in the way technology development is
funded or protected.
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