Newcomer / Intro colonization economy problem

I think I read that the various flavours of outpost have different economies, but I am not paying much attention yet.
 
what dictates the economy type of a station? it seems impossible to build anything other than a "colony" for large starport/ground port, except astroid base which is always "extraction". Did I miss something?
After colonizing a system and constructing a 'commercial' outpost, the economy did turn out 'colony' and the only thing they offer is Hydrogen Fuel and Bio-Waste. Im not seeing any difference between a colony outpost and a commercial outpost economy wise, and that doesnt seem right.
 
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