Afonso, Oscar; Monteiro, Sara; Thompson, Maria - In: Journal of Business Economics and Management 13 (2011) 5, pp. 849-865
<title>Abstract</title> We develop a R&D-based growth model with productive public expenditure in order to frame the Quadruple Helix (QH) innovation concept, based on four helices: <italic>Academia & Technological Infrastructures</italic>, <italic>Firms</italic>, <italic>Government</italic> and <italic>Civil Society</italic>. Our motivation stems from acknowledgment that the...