Title: Using patent technology codes to study technological change
Authors: Strumsky, D., J. Lobo, S.E. van der Leeuw
Citation: Strumsky, D., J. Lobo, S.E. van der Leeuw. 2012. Using patent technology codes to study technological change. Economics of Innovation and New Technology 21(3):267-286 http://dx.doi.org/10.1080/10438599.2011.578709
Keywords: technological change
