The relationship between diversification and wage inequality in regions is still poorly understood. Related diversification is crucial for economic growth of regions. Related diversification in more complex industries tends to increase wage inequality between regions. Related diversification in...

This paper deals with the questions of how network proximity influences the structure of inter-regional collaborations and how it interacts with geography. I first introduce a new, theoretically grounded measure of inter-regional network proximity. Then, I use data on European scientific...