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Portugal is a country traditionally dedicated to viticulture and characterized by the production of wines of high quality. It has been among the top of 15 countries in the sector in terms of vineyard area extension and wine production, however in recent years Portugal have lost market share in...
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While research and development expenditures are considered a key to productivity growth and development, the question … positions in global value chains. In this paper we analyse the relative contribution of R&D to the efficiency (productivity) on … function approach. The results indicate that R&D capital productivity enhancing effect increases with the level of technology …
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