Wirtschaft
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The Impacts of Research and Development Expenditures The Relationship Between Total Factor Productivity and U.S. Gross Domestic Product PerformanceAuflage:2011Verlag:Springer USWetter John J.Erscheinungsjahr:2012 -
The Impacts of Research and Development Expenditures The Relationship Between Total Factor Productivity and U.S. Gross Domestic Product PerformanceAuflage:2011Verlag:Springer USWetter John J.Erscheinungsjahr:2010
