Ahem... I live in a 3rd world country, miss...
3rd world = politically incorrect
underdeveloped/developing nations = politically correct
That is what the ahem was meant for.
Regarding this topic, Dependency theory, Structural Change, etc. are all theories on economic development and they are just filtered lenses on how people view the world.
We have our own leanings. Nothing is wrong when it comes to this.