This volume was prepared by Erik Hornung while he was working in the Department Human Capital and Innovation of the Ifo Institute. It was completed in December 2012 and accepted as a doctoral thesis by the Economics Department of the University of Munich (LMU). The thesis consists of four core...

We construct spatially-weighted indices of the geographic concentration of U.S. manufacturing industries during the period 1880 to 1997 using data from the Census of Manufactures and Bureau of Labor Statistics. Several important new results emerge from this exercise. First, we find that average...

Did breakthroughs in core processes during the Industrial Revolution tend to generate further innovations in downstream technologies? Here a theoretical model examines the effect of a political shock on a non-innovating society in which there is high potential willingness to cooperate. The...