Estimation of the Depreciation Rate of Physical and R&D Capital in the U.S. Total Manufacturing Sector
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Numerous studies on production and cost, the sources of productivity and studies on endogenous growth have recognized the pivotal role of the physical capital stock. Also there is a clear recognition by economists and policy makers that knowledge capital approximated by R&D capital is crucial for
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美国国家经济研究局创建时间：
1993-12-01
