Not really.
I spent in excess of 100 million on Claytronics and Hull Parts alone, spread across 3 game days. It kept that part of the economy ticking over, because it takes a lot of other products to make what they need, and more to make what they need. I was ranging 10 sectors away to collect what I needed, because the local sectors couldn't keep up.
I also had autotraders out there trading everything, keeping the economy ticking over.
During the time it took me to build the core station, the Xenon completely trashed 6 sectors and were well into the seventh when I finally noticed, and with money to spare, I bought enough destroyers to roll them back and keep them there. (Didn't have an L Fabricator at that point.) The Zyarth actually owe me for saving them. (They only have 4 sectors left now.)
So 'global trade' was going to hell anyway, until I stopped it. I now have the Xenon successfully corralled. And all those ships were bought, not self-built.
There is nothing wrong with the economy in my game. The only thing I'm selling is ships, and there is an endless demand for them by the warring factions.
The impact on the economy just isn't there.