共 90 条
[1]
Acosta M(2009)Production of university technological knowledge in European regions: Evidence from patent data Regional Studies 43 1167-1181
[2]
Coronado D(2003)The influence of federal laboratory R&D on industrial research Review of Economics and Statistics 85 1003-1020
[3]
Leon MD(2005)Competition and innovation: An inverted-U relationship The Quarterly Journal of Economic 120 701-728
[4]
Martinez M(2014)Patents, research & development and technological cooperation in the Spanish agri-food industry New Medit 3 23-29
[5]
Adams J(2002)A patent analysis of global food and beverage firms: The persistence of innovation Agribusiness 18 349-368
[6]
Chiang D(2004)Innovation spells in the multinational agri-food sector Technovation 24 599-614
[7]
Jensen J(1998)What percentage of innovations are patented? Empirical estimates for European firms Research Policy 27 127-141
[8]
Aghion P(2004)Determinants of product and process innovation in small food manufacturing firms Trends in Food Science & Technology 15 474-483
[9]
Bloom N(2011)What happens when firms patent? New evidence from U.S. economic census data The Review of Economics and Statistics 93 126-146
[10]
Blundell R(2006)Factors related to innovative output in the Dutch agrifood industry Journal on Chain and Network Science 6 31-44