The Effect of High-Tech Clusters on the Productivity of Top Inventors
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The high-tech sector is increasingly concentrated in a small number of expensive cities, with the top ten cities in "Computer Science", "Semiconductors" and "Biology and Chemistry", accounting for 70%, 79% and 59% of inventors, respectively. Why do inventors tend to locate near other inventors in
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美国国家经济研究局创建时间：
2019-09-01
