[Edit: I've been informed that the developers know about this. Please don't over-react, I am now aware of it. Skip to the PS if you want to.]
I am going to try my best to explain this one, but it involves numbers and is a bit complicated. The problem lies with Industrial Capacity and Spending Distribution. If you're already lost, go find out what those are before you read any more.
Here is the problem: The Spending Distribution artificially divides the effect of the industrial capacity! If you have Industrial Capacity set to 100%, and you have your Spending levels at: Social100% and Research100%, then your effective Industrial Capacity is actually only 50%! The game does not do what it is supposed to. It should be using 100% of your income to power your Factories and Labs, splitting it down the middle. Instead, it goes to each planet, and only decides to fill labs 50% and fill factories 50%! This is HUGE. It means that if you have, say 2 factories and 2 labs on one planet, and plenty of income to fill them up, you will never be able to unless you set your Spending level to either Social100% or Research100%.
Now, there is a strange occurence (actually helpful) when you set your spending levels to 33%/33%/33%. What happens here, is that, since both Hammers and Shields come from the same place, it "allows" them to each fill up to the set percentage. In this case, your labs would be 33% filled and your factories would be 66% filled (33% for Social and Military workers).
What Gal Civ should be doing: Gal Civ should allow you to evenly disperse your resources as the Spending Distribution slider says you can. This way, if you have a lot of labs, and only a few factories, it doesn't arbitrarily force you to ALWAYS be producing more beakers than hammers, per se. If you set it to 50/50, it should be producing half of one thing and half the other, without any cap on how full your labs or factories can be. Of course, is is assuming you are able to produc 50/50. If not, then it can adjust itself accordingly, to reconcile itself with how you have the Industrial Capacity set. If I have my Capacity set to 100%, then it means I should be spending 100%, not 50%. Resource management is extremely confusing and the game handles your resources very inefficiently. One last example: If I have my Spending sliders set to Research50% and Social50% and I have 24 units of lab research and 24 units of factory resources on one planet, I can only get 12 from each, regardless of how much money I have. If I want to get all 24 of each, the only solution is to build more labs, and waste more planet real estate! That cannot possibly be intended design, right?
=$= Big J Money =$=
PS -- I don't get any bonuses for my +30% Social ability, but I do from my +30% military. My +20% Research ability seems to average itself out with whatever the planet's personal +X% Research Bonus is, giving me a lower bonus. Also, I am having to pay for all my military bonuses.