@Norbert
That's not really a realistical portrayal of a military spending spree. The economy of a whole economic system does not play like a domestic economy. There's no such thing as "limited amount of building material" in the GTVA universe. The economy is mostly one of people (usage of work hours in exactly *what*). If the economy needs more material, you put more people mining it up. Those people get paid, those people will spend what they earned, the economy booms.
Again, there's a lot of misinformation on how economies work. An amazing historical example of how this works is exactly Germany in the 1930s. An economy deeply in shambles (hyperinflation anyone?), rises up in few years to become the most powerful economy in the world, threatening every other nation worldwide. If your idea had any resemblance to reality, it should have been the other way around: the military investments made by the nazis should have tanked, not boomed, their economy.
Same thing happened with the US. The great depression ended in 1938-1940.
@headdie,
That idea is much better. However, as a "fix", the sol jump gate was a very long term one. According to Keynes (and I am not saying he's "definitely" right), once you kickstart the economy it goes on its own. The problem right now is a political one, an ideological one. A problem of a system being confronted with a much more pleasant system in Sol but one also that you deem as *wrong*.
A very interesting setup. I like BP's setup quite a lot.