Patent Pools and the Direction of Innovation - Evidence from the 19th-century Sewing Machine Industry
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Patent pools allow a group of firms to combine their patents as if they were a single firm. Theoretical models predict that pools encourage innovation in pool technologies, albeit at the cost of innovation in substitutes. Empirical evidence is scarce because modern pools are too recent to allow
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美国国家经济研究局创建时间：
2011-11-01
