Does patenting help to diffuse knowledge spillovers? Evidence from the geography of nineteenth-century innovations

• 成果类型: Meeting Abstract
• 署名作者: Stanford University; National Bureau of Economic Research
• 刊物名称: JOURNAL OF ECONOMIC HISTORY
• ISSN/ISSBN: 0022-0507
• 发表日期: 2008
• 页码: 612-612