Helmers, Christian; Rogers, Mark - 2008
regional factors are unemployment rates and house prices. For intellectual property, the
data available allows us to look at … to play a role are (start-up) rm-size, ownership, indus-
try growth, age and the number of rms entering and leaving the … hazards model to nd that start-up size of the new-born rms, industry
growth and the number of plants operated by the new …