Hilliness is not
an economic factor at all. Well, perhaps with the exception of some hill towns in central Italy that are still fairly inaccessible, I don't think it really matters in this day and age, in our industry, except for the fact that it makes a place more pleasant to live for many people, like me.
This is where I live now, and the economy isn't that bad:
http://www.welton.it/photos/innsbruck/innsbruck_panorama.htm...