Functioning markets for technology are an important determinant for the type, scope and distribution of innovation activities in an economy. However, markets for technology are often underdeveloped or inefficient. Existing theory attributes such imperfections to the supply side or differences in...

This paper studies the great collapse in value added trade using a structural decomposition analysis. We show that changes in vertical specialisation accounted for almost half of the great trade collapse, while the previous literature on gross trade has mainly focused on final expenditure,...