Spatial and Sectoral Characteristics of Relational Capital in Innovation Activity

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• Appendix 1. The Model
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• In order to reply to our research questions, a model has been structured, based on a knowledge
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• production function a` la Griliches (1979). In essence, this is a two factor production function at the ? rm
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• level where K is a proxy for knowledge, RC is a proxy for relational capital and SKS a proxy for scienti? c
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• knowledge spillovers. Moreover, a series of interaction elements, measuring the effects of relational capital
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• and scienti? c knowledge spillovers on ? rms size and sectoral characteristics of the area, characterizes our
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• knowledge production function, which reads as follows:
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