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"The paper examines the size and productivity of total intangible capital relative to total tangible capital for a large panel of Italian Manufacturing firms. In the analysis, we decompose total intangibles in two different ways: in intangibles expensed in firms' current accounts (as usually...
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which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents … allowed to expire before their full term. The higher an invention's economic value estimate was, the more the relevant patent … simple patent counts as a measure of innovative contribution by acquiring data on citation frequencies and the number of …
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