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We analyze cross-country trends in technological progress over the period of 1980-2011 by examining citations data from almost 4 million utility patents granted by the US Patent and Trademark Office (USPTO). Our estimation results on patent quality and distance to the knowledge frontier reveal...
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Our contribution to the expanding literature on the globalization of research and innovation is to investigate the … countries in the field of nanotechnology affect the development of inventive activities by US multinational companies (MNCs). We … identify the most active US-based MNCs in nanotechnology-related patenting and examine location decisions of these companies …
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