keyword Simultaneous equation systems JEL Classification: O32 / (1 Article)
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Writer : Azami، Somayeh ؛
Journal:The International Journal of Humanities»Summer 2014، Volume 21 - Number 3 Ranking Science-Research (Ministry of Science/ISC (17 page(s) - From 87 to 103 )
Keywords:O14profitabilityL10R&D expendituresHigh -Tech industriesSimultaneous equation systems JEL Classification: O32C30