Welcome to Simlife. (*TM)
Your Mula is in the hole, And the "research" (collage) to get you out of the hole is too much.
several basic hints:
1) "Sell" your Tech's, Worthless ship's, and form "trade" route's.
2) Make your home planet, A economic Depot. 2 or 3 Basic Factory's, 2 morale center's, and the rest "trade market's". (And research up.)
3) "Mine" economic anomalies.
4) Increase the tax rate to 49%.
5) Race set up file's could be set up to +50% economy, Increase Trade route's, etc.
6) Raising your influence increase's your Economy as well. (tourism)