Soziale Auswirkungen des technischen Fortschritts in historischer Perspektive / Helmut B(c)œhme -- Entwicklungslinien des technischen Fortschritts aus unternehmerischer Sicht / Hans-Dieter Jacoby -- Independent inventors and technological change / Thomas P. Hughes -- Quantitative...

Here, we study vertical foreclosure in a dynamic setup with learning-by-doing production technologies. There is a downstream monopoly and an upstream duopoly, where manufacturers produce differentiated products and can gain proficiency through the accumulation of their production. We study the...