Can the increasing significance of knowledge-products in national income - the growing weightless economy - influence economic development? Those technologies reduce ''distance'' between consumers and knowledge production. This paper analyzes a model embodying such a reduction. The model shows...

Gutenberg's printing press was the great revolution in Renaissance information technology. This paper presents new evidence on media markets, knowledge transmission, and city growth across Europe 1450-1600. The paper construct- s comprehensive firm-level panel data on the number and subjects of...