Gradev, Todor; Dimitrov, Lubomir; Keremidchiev, Spartak - In: Economic Studies journal (2012) 2, pp. 129-139
The study uses new methodology developed by Corrado, Hulten and Sickel in 2006 for measuring the intangible assets in Bulgaria and the factors that premise it. The study ranges data for 1990-2006. The data are aggregated from firm to sector level when reporting the import and export. Intangible...