نتایج جستجو برای: 1991 here

تعداد نتایج: 791681  

2009
Ajay Agrawal Iain Cockburn Carlos Rosell

We examine variation in the concentration of inventive activity across 72 of North America’s most highly innovative locations. In 12 of these areas, innovation is particularly concentrated in a single large firm; we refer to such locations as “company towns.” We find that inventors employed by large firms in these locations tend to draw disproportionately from their firm’s own prior inventions ...

Journal: :Aslib Proceedings 2013
Elizabeth Tait Marsaili MacLeod David E. Beel Claire Wallace Chris Mellish Stuart Taylor

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2016

to be found in these pages the latest facts and figures as to what is actually happening but they also reveal how the problem is presenting itself to those most closely at grips with it, and what is the angle from which it is being approached. From the report before us we learn that so far as the working of Section J of the Mental Deficiency Act is concerned, the position is distinctly improvin...

Journal: :Transformative Works and Cultures 2020

Journal: :Canadian Theatre Review 2017

Journal: :Curator: The Museum Journal 2019

Journal: :Nature 1988

Journal: :Index on Censorship 2002

Journal: :Family Medicine 2022

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