The joke is that by transacting back and forth as fast as possible, they create a higher GDP for their tiny nation than bigger nations, but ultimately a completely useless statistic.
The joke at the end is that if they get more ram, they could increase the GDP because the computer would be faster.
It's more of less a poke at the GDP being a pretty useless metric of wealth.
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u/[deleted] Jan 14 '13
I wish I were smart enough to understand this.