Right. I understand the resource curse and the need to diversify one's economy and develop strong, trustworthy institutions, but I didn't understand what hacker

Right. I understand the resource curse and the need to diversify one's economy and develop strong, trustworthy institutions, but I didn't understand what hackerboos was referring to when they said "revenues outside your own economy". To me that sounds like invest the money in a foreign country or maybe it means invest in different industries?