O que está a acontecer com o interior do país não acontece só em Portugal, pode -se ver neste artigo que os empresários apostam mais nos grandes centros do que pequenos centros e zonas rurais.
Six years after the 2008 financial crisis, new business growth remains sluggish. A new study shows that not only did fewer new ventures launch, but those that did were concentrated in major cities, rather than in small towns and rural communities.
From 2010 to 2014 there was a net of 166,500 new businesses in the U.S., half of which were generated in metropolitan areas like Silicon Valley, Houston, Miami and New York City, according to data from the U.S. Census Bureau’s County Business Patterns program analyzed by the bipartisan Economic Innovation Group.
http://time.com/money/4345263/new-businesses-small-towns-census-bureau-business-patterns/